IllustrationMOTOR HAS RATTLE WAS TOLD IT WAS TIMING CHAIN BY MECHANIC AND WILL NEED TO BE REPLACED OR MOTOR WILL NEED TO BE REPLACED/ MINI SOLD A DEFECTIVE CAR AND KNEW ABOUT THIS DEFECT. NOW I AM OUT 10K IF THE CAR BREAKS AND HAVE NO CAR FOR FAMILY
2010 Mini Cooper S
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2010 Mini Cooper S do not stand out strongly from the model-year median of 23.5.
About this comparison →How this year compares
Owner complaints by model year
Compare all Cooper S years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
40–25K
1125–50K
2050–75K
875–100K
5100–150K
1150K+
49 reports with mileage · 10 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Engine. Review the 37 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Air Bags. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
1 crash reports5 fire reports2 injury reports
What owners actually said
59 reportsDURING NORMAL VEHICLE OPERATION, VEHICLE LOST POWER. PULLED TO THE SIDE OF THE ROAD, TURNED VEHICLE OFF, AND VEHICLE WOULD NOT RESTART. HAD VEHICLE TOWED TO LOCAL MECHANIC. PROBLEM WAS DIAGNOSED AS A BROKEN TIMING CHAIN.
VEHICLE WAS IN MOTION AND MY WIFE HEARD A NOISE- CHOSE TO IGNORE NOISE. AFTER RESEARCHING THE PROBLEM I DISCOVERED THE TIMING CHAIN COULD CATASTROPHICALLY FAIL LEAVING MY WIFE ON MOUNTAIN ROADS WITH NO POWER AND LOSS OF POWER STEERING . ALTHOUGH BMW HAS BEEN AWARE OF THIS PROBLEM FOR YEARS THEY HAVE BOB AND WEAVED FIXING ONLY TH…
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VEHICLE WAS IN MOTION AND MY WIFE HEARD A NOISE- CHOSE TO IGNORE NOISE. AFTER RESEARCHING THE PROBLEM I DISCOVERED THE TIMING CHAIN COULD CATASTROPHICALLY FAIL LEAVING MY WIFE ON MOUNTAIN ROADS WITH NO POWER AND LOSS OF POWER STEERING . ALTHOUGH BMW HAS BEEN AWARE OF THIS PROBLEM FOR YEARS THEY HAVE BOB AND WEAVED FIXING ONLY THOSE THEY HAVE BEEN FORCED TO, LEAVING OTHERS ,WITH THE EXACT SAME PROBLEM THE OWNERS RESPONSIBILITY.. THE DEALER CHARGED US $ 1300 TO REPAIR THE VEHICLE. OUR PARTICULAR CAR SUPPOSEDLY WAS JUST OUTSIDE THE PRODUCTION RUN CUTOFF FOR FREE REPAIR. THIS IS A SAFETY ISSUE AND ALL CARS WITH THIS POTENTIAL PROBLEM SHOULD BE RECALLED. ADDITIONALLY, CUSTOMERS SHOULD NOT HAVE TO PLAY "WHAT IS THE NOISE DETECTIVE " IN ORDER TO DISCOVER A LIFE THREATENING DEFECT. IN ADDITION TO THE RECALL BMW NEEDS TO IMMEDIATELY NOTIFY ALL EFFECTED OWNERS WITH INFORMATION ON HOW TO RECOGNIZE THE PROBLEM AND WHAT ACTION TO TAKE.
TIMING CHAIN EVIDENTLY BROKE WITH LITTLE WARNING AND CAR DIED IN MIDDLE OF ROAD. BMW MINI HAS KNOWN OF THIS AND SETTLED A CLASS ACTION LAWSUIT WITHOUT EVER ISSUING A RECALL OR NOTIFICATION TO OWNERS. THE CAR HAD LESS THAN 30,000 MILES ON IT.
TL* THE CONTACT OWNS A 2010 MINI COOPER S. UPON INSPECTING THE VEHICLE, A TECHNICIAN HEARD AN ABNORMAL NOISE AND STATED THAT THE TIMING CHAIN NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VIN AND FAILURE MILEAGE WERE NOT AVAILABLE.
THE PASSENGER SIDE AIR BAG LIGHT INDICATED THE AIR BAG WAS NOT ENGAGED. THE PASSENGER SEAT STARTED GETTING VERY HOT (THIS MODEL DOES NOT HAVE HEATED SEATS). WE REMOVED THE SEAT FROM THE VEHICLE AND INNVESTIGATED. WE FOUND THAT THE AIR BAG SEAT MAT WAS OVERHEATING. THE CIRCUIT WAS MELTED FROM THE HEAT. IF WE HAD NOT REMOVED T…
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THE PASSENGER SIDE AIR BAG LIGHT INDICATED THE AIR BAG WAS NOT ENGAGED. THE PASSENGER SEAT STARTED GETTING VERY HOT (THIS MODEL DOES NOT HAVE HEATED SEATS). WE REMOVED THE SEAT FROM THE VEHICLE AND INNVESTIGATED. WE FOUND THAT THE AIR BAG SEAT MAT WAS OVERHEATING. THE CIRCUIT WAS MELTED FROM THE HEAT. IF WE HAD NOT REMOVED THE SEAT FROM THE CAR IT WOULD HAVE CAUGHT FIRE. THE VEHICLE WAS PARKED IN THE GARAGE AT THE TIME. HOWEVER, THE CAR WAS DRIVEN EARLIER IN THE DAY AND THE LIGHT WAS ON THEN TO INDICATE THE PASSENGER AIR BAG WAS NOT ON. THERE ARE NO RECALLS FOR THIS 2010 MODEL FOR THIS PROBLEM. HOWEVER, THERE HAVE BEEN NUMEROUS COMPLAINTS FROM OTHER OWNERS ON THE WEB. THIS DOES NOT APPEAR TO BE AN ISOLATED INCIDENT. FIXING THE PROBLEM IS EXPENSIVE TOO.
MY DAUGHTER WAS IN TRAFFIC, DRIVING THE VEHICLE HOME FROM AN OIL CHANGE, WHEN THE TIMING CHANGE BROKE CAUSING HER TO LOSE POWER. THE LOSS OF POWER CREATED A DANGEROUS AND HAZARDOUS SITUATION. FORTUNATELY, SHE WAS ABLE TO GET IT OFF THE MAIN ROADS AND WE HAD IT TOWED BY AAA TO THE MINI DEALERSHIP. DUE TO THE FACT THAT THERE HAS B…
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MY DAUGHTER WAS IN TRAFFIC, DRIVING THE VEHICLE HOME FROM AN OIL CHANGE, WHEN THE TIMING CHANGE BROKE CAUSING HER TO LOSE POWER. THE LOSS OF POWER CREATED A DANGEROUS AND HAZARDOUS SITUATION. FORTUNATELY, SHE WAS ABLE TO GET IT OFF THE MAIN ROADS AND WE HAD IT TOWED BY AAA TO THE MINI DEALERSHIP. DUE TO THE FACT THAT THERE HAS BEEN A CLASS ACTION SETTLEMENT WITH BMW MINI OVER THE DEFECTIVE TIMING CHAINS, THE PROBLEM COULD HAVE BEEN AVOIDED IF THERE HAD BEEN A RECALL EFFORT BY THE MANUFACTURER.
TL* THE CONTACT OWNS A 2010 MINI COOPER S. WHILE DRIVING APPROXIMATELY 70 MPH, THE VEHICLE OVERHEATED AND THE TEMPERATURE GAUGE WARNING LIGHT ILLUMINATED. IN ADDITION, SMOKE AND A BURNING OIL ODOR EMITTED FROM UNDER THE HOOD. THE VEHICLE WAS TOWED TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE ENGINE NEEDED TO BE REPLACED. THE VE…
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TL* THE CONTACT OWNS A 2010 MINI COOPER S. WHILE DRIVING APPROXIMATELY 70 MPH, THE VEHICLE OVERHEATED AND THE TEMPERATURE GAUGE WARNING LIGHT ILLUMINATED. IN ADDITION, SMOKE AND A BURNING OIL ODOR EMITTED FROM UNDER THE HOOD. THE VEHICLE WAS TOWED TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE ENGINE NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. AFTER THE VEHICLE WAS SERVICED, THE TURN SIGNALS AND WINDOWS FAILED TO OPERATE. THE VEHICLE WAS TAKEN BACK TO THE DEALER, BUT THE DIAGNOSIS WAS UNAVAILABLE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 66,568.
PASSENGER SIDE SEAT MAT FOR DETECTING PASSENGERS PRESENTS, INTERMITTENTLY FAILS CAUSING THE AIR BAG TO BE DEACTIVATED WHEN A PASSENGER IS PRESENT AND THE VEHICLE IS MOVING.
MY DAUGHTER WAS DRIVING THE MINI COOPER ON HWY 101W WHEN THE CAR SUDDENLY AND WITH OUT WARNING LOST ALL POWER. SHE WAS FORTUNATE TO NOT HAVE BEEN STRANDED ON THE HIGHWAY. WE HAD THE CAR LIFTED AND TAKEN TO A BMW DEALER. THEY DETERMINED THAT THERE IS A HOLE IN THE #4 CYLINDER THAT IS RESPONSIBLE FOR THE LOSS OF POWER. THE CAR HA…
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MY DAUGHTER WAS DRIVING THE MINI COOPER ON HWY 101W WHEN THE CAR SUDDENLY AND WITH OUT WARNING LOST ALL POWER. SHE WAS FORTUNATE TO NOT HAVE BEEN STRANDED ON THE HIGHWAY. WE HAD THE CAR LIFTED AND TAKEN TO A BMW DEALER. THEY DETERMINED THAT THERE IS A HOLE IN THE #4 CYLINDER THAT IS RESPONSIBLE FOR THE LOSS OF POWER. THE CAR HAS 55K MILES ON IT AND IS 5K MILES OUTSIDE OF FULL WARRANTY. WE HAVE ALL SERVICE RECORDS WELL DOCUMENTED THAT EXCEED BMW \MC RECOMMENDATIONS. WE HAVE SINCE HAD THE CAR LIFTED AND TAKEN TO THE MC DEALER IN CAMARILLO CA. THEY WITH OUT EXPLANATION AS TO WHAT HAPPENED STATE THAT THE CAR NEEDS A NEW ENGINE AT OUR COST OF $6,500+. THIS IS CRAZY GIVEN THE LOW MILES AND THE FACT THAT IT HAS BEEN WELL MAINTAINED. THERE IS MUCH MORE INFORMATION THAT WE CAN PROVIDE HOWEVER THE SITE SEEMS TO TIME OUT AND THIS IS MY THIRD ATTEMPT AT WRITING THIS NOTIFICATION. PLEASE ADVISE OR CONTACT ME IF YOU CAN HELP WITH THIS MATTER. BMW IS FRAUDULENTLY SELLING THESE VEHICLES AS RELIABLE AND THEY NEED TO BE TAKEN TO TASK. REGARDS, [XXX] 'INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).' *BF
Official recalls
423V337000 · Electrical System
May 11, 2023
BMW of North America, LLC (BMW) is recalling certain 2008-2014 MINI Clubman Cooper, Clubman Cooper S, Clubman John Cooper Works, and 2007-2013 MINI Hardtop 2-Door Cooper, Cooper S, and John Cooper Works vehicles sold, or ever registered, in Alaska, Colorado, Connecticut, Delaware, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Dakota, Ohio, Pennsylvania, Rhode Island, South Dakota, Utah, Vermont, Virginia, West Virginia, Washington D.C., and Wisconsin. The electronic control module in the driver's side footwell area may short-circuit, due to corrosion from water and road salt.
Consequence & remedy
Consequence: An electrical short-circuit can increase the risk of a fire.
Remedy: Dealers will inspect the sunroof drains, interior footwell area, and FRM and, depending upon the results of the inspection, certain components will be replaced. Owner notification letters were mailed May 13, 2024. Owners may contact BMW customer service at 1-866-825-1525.
18V248000 · Engine And Engine Cooling:engine; Engine And Engine Cooling:engine:gasoline:turbo/supercharger
Apr 18, 2018
BMW of North America, LLC (BMW) is recalling certain 2011-2012 BMW 550i, 550i xDrive, 550i Gran Turismo, 550i Gran Turismo xDrive, 750i, 750Li, 750i xDrive, 750Li xDrive, 760Li, X5 xDrive50i, X5 M, X6 xDrive50i, X6 M, ActiveHybrid7, MINI Cooper S Convertible, John Cooper Works (JCW) Convertible, Cooper S Countryman, Cooper S Countryman ALL4, Cooper S, JCW, Cooper S Clubman, JCW Clubman, Cooper S Roadster, JCW Roadster, Cooper S Coupe, JCW Coupe and Rolls-Royce Ghost, 2011 BMW X6 Hybrid and 2012 BMW 650i Coupe, 650i xDrive Coupe, 650i Convertible and 650i xDrive Convertible vehicles. The electric auxiliary water pump may fail and cause the circuit board to overheat.
Consequence & remedy
Consequence: If the circuit board were to overheat, it can increase the risk of a fire.
Remedy: BMW will notify owners, and dealers will replace the electric auxiliary water pump, free of charge. Depending on the model, there are currently limited parts available, however not all parts are available at this time. Owners will be notified of the recall beginning June 11, 2018, and will receive a second notification when remedy parts become available. Owners may contact BMW customer service at BMW 1-800-525-7417, MINI at 1-866-825-1525, or Rolls-Royce at 1-877-877-3735. Note: BMW recommends that owners park their vehicle outdoors until the recall remedy has been performed.
Additional source detail variants (2)
Engine And Engine Cooling:engine:gasoline:turbo/supercharger
BMW of North America, LLC (BMW) is recalling certain 2011-2012 BMW 550i, 550i xDrive, 550i Gran Turismo, 550i Gran Turismo xDrive, 750i, 750Li, 750i xDrive, 750Li xDrive, 760Li, X5 xDrive50i, X5 M, X6 xDrive50i, X6 M, ActiveHybrid7, MINI Cooper S Convertible, John Cooper Works (JCW) Convertible, Cooper S Countryman, Cooper S Countryman ALL4, Cooper S, JCW, Cooper S Clubman, JCW Clubman, Cooper S Roadster, JCW Roadster, Cooper S Coupe, JCW Coupe and Rolls-Royce Ghost, 2011 BMW X6 Hybrid and 2012 BMW 650i Coupe, 650i xDrive Coupe, 650i Convertible and 650i xDrive Convertible vehicles. The electric auxiliary water pump may fail and cause the circuit board to overheat.
Consequence: If the circuit board were to overheat, it can increase the risk of a fire.
Remedy: BMW will notify owners, and dealers will replace the electric auxiliary water pump, free of charge. Depending on the model, there are currently limited parts available, however not all parts are available at this time. Owners will be notified of the recall beginning June 11, 2018, and will receive a second notification when remedy parts become available. Owners may contact BMW customer service at BMW 1-800-525-7417, MINI at 1-866-825-1525, or Rolls-Royce at 1-877-877-3735. Note: BMW recommends that owners park their vehicle outdoors until the recall remedy has been performed.
Engine And Engine Cooling:engine
BMW of North America, LLC (BMW) is recalling certain 2011-2012 BMW 550i, 550i xDrive, 550i Gran Turismo, 550i Gran Turismo xDrive, 750i, 750Li, 750i xDrive, 750Li xDrive, 760Li, X5 xDrive50i, X5 M, X6 xDrive50i, X6 M, ActiveHybrid7, MINI Cooper S Convertible, John Cooper Works (JCW) Convertible, Cooper S Countryman, Cooper S Countryman ALL4, Cooper S, JCW, Cooper S Clubman, JCW Clubman, Cooper S Roadster, JCW Roadster, Cooper S Coupe, JCW Coupe and Rolls-Royce Ghost, 2011 BMW X6 Hybrid and 2012 BMW 650i Coupe, 650i xDrive Coupe, 650i Convertible and 650i xDrive Convertible vehicles. The electric auxiliary water pump may fail and cause the circuit board to overheat.
Consequence: If the circuit board were to overheat, it can increase the risk of a fire.
Remedy: BMW will notify owners, and dealers will replace the electric auxiliary water pump, free of charge. Depending on the model, there are currently limited parts available, however not all parts are available at this time. Owners will be notified of the recall beginning June 11, 2018, and will receive a second notification when remedy parts become available. Owners may contact BMW customer service at BMW 1-800-525-7417, MINI at 1-866-825-1525, or Rolls-Royce at 1-877-877-3735. Note: BMW recommends that owners park their vehicle outdoors until the recall remedy has been performed.
12V008000 · Engine And Engine Cooling:engine:gasoline:turbo/supercharger
Jan 11, 2012
BMW IS RECALLING CERTAIN MODEL YEAR 2007-2011 MINI COOPER S, 2008-2011 MINI COOPER S CLUBMAN, 2009-2011 MINI COOPER S CONVERTIBLE, 2009-2011 MINI COOPER JCW, 2009-2011 MINI COOPER JCW CLUBMAN, 2009-2011 COOPER JCW CONVERTIBLE, AND 2011 COOPER S COUNTRYMAN PASSENGER CARS MANUFACTURED FROM NOVEMBER 14, 2006, THROUGH JANUARY 18, 2011. THE ELECTRIC AUXILIARY WATER PUMP THAT COOLS THE TURBOCHARGER HAS AN ELECTRONIC CIRCUIT BOARD THAT CAN MALFUNCTION AND OVERHEAT.
Consequence & remedy
Consequence: THE CIRCUIT BOARD MAY SMOLDER WHICH COULD RESULT IN A VEHICLE FIRE.
Remedy: BMW WILL NOTIFY OWNERS, AND DEALERS WILL REPLACE THE WATER PUMP FREE OF CHARGE. THE SAFETY RECALL BEGANDURING FEBRUARY 2012. OWNERS MAY CONTACT BMW AT 1-866-275-6464.
09V474000 · Equipment:other:labels
Dec 15, 2009
BMW IS RECALLING CERTAIN MODEL YEAR 2010 MINI COOPER AND COOPER S VEHICLES FOR FAILING COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THE AFFECTED VEHICLES WERE EQUIPPED WITH 17 INCH WHEELS, BUT THEIR LABEL STATES THAT THEY WERE EQUIPPED WITH 16 INCH WHEELS. ALSO THE TIRE PRESSURE STATED ON THE LABEL FOR THE COOPER S IS INCORRECT.
Consequence & remedy
Consequence: ERRONEOUS TIRE INFORMATION COULD LEAD TO IMPROPER TIRE FITMENT AND INFLATION WHICH COULD AFFECT THE DURABILITY OF THE TIRE AND THE STABILITY OF THE VEHICLE, INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL MAIL TO CONSUMERS THE CORRECTED LABEL OR THE CUSTOMER WILL HAVE THE OPTION FOR DEALERS TO INSTALL THE LABEL FREE OF CHARGE. THE RECALL BEGAN ON MARCH 4, 2010. OWNERS MAY CONTACT BMW AT 1-800-831-1117.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1PE11036 · Engine Compartment Fire
Opened Oct 11, 2011 · Closed Jun 11, 2012
Status: closed (inferred from source dates) · Engine And Engine Cooling
In a January 10, 2012 letter to NHTSA, BMW of North America, LLC. (BMW) submitted a Defect Information Report (DIR) identifying a defect in the electric auxiliary water pump in approximately 88,911 model year (MY) 2007-2011 Mini Cooper vehicles manufactured from November 14, 2006 through January 18, 2011 (Recall 12V-008).According to BMW, the auxiliary water pump on vehicles equipped with 4-cylinder turbocharged engines may overheat.Electro-migration can cause the pump electronic circuit board to overheat resulting in smoldering of the water pump. If smoldering occurs, it may lead to an engine compartment or vehicle fire.The pump supplier, Pierburg Pump Technology GmbH, redesigned the pump to address factors that may contribute to circuit board overheating.The redesigned pumps were completely implemented in production vehicles by January 2011.Recall 12V-008 was the third recall initiated by BMW to address electric auxiliary water pump fires in vehicles equipped with Pierburg pumps.In two October 20, 2011 letters to NHTSA, BMW submitted DIRs for similar auxiliary water pump defect conditions in approximately 32,084 MY 2008-2011 BMW 5-Series, 7-Series, X5 and X6 models equipped with 8- and 12-cylinder engines and manufactured from May 2008 through December 2010 (Recall 11V-521); and for approximately 589 MY 2010 Rolls-Royce Ghost vehicles manufactured from September 2009 through September 2010 (Recall 11V-522).In three separate April 5, 2012 letters to NHTSA, BMW submitted amendments to Recalls 11V-521, 11V-522 and 12V-008.The amendments all described a common defect condition related to a manufacturing process deviation in a certain production range of the redesigned Pierburg water pumps that could result in cracks in the pump housing, which may allow coolant to enter and contact the pump?s circuit board.BMW indicated that further analysis identified a specific machine process error at the sub-supplier that manufactures the water pump housing.Pump housing cracks may cause the circuit board to overheat and lead to smoldering of the water pump.Recall 12V-008 was, thus, amended to include approximately 1,457 MY 2011 Mini Cooper vehicles manufactured from March 31, 2011 through April 22, 2011, when pumps manufactured with the suspect manufacturing process may have been used in vehicle assembly.The amendment to Recall 11V-521 was assigned a new recall number, Recall 12V-161, and covered approximately 2,846 MY 2011-2012 BMW 5-Series, 6-Series, 7-Series, X5, and X6 vehicles manufactured from April 1, 2011 through August 1, 2011.The amendment to Recall 11V-522 was assigned a new recall number, Recall 12V-166, and covered approximately 69 MY 2011 Rolls-Royce Ghost vehicles manufactured from April 7, 2011 through June 2, 2011.The Office of Defects Investigation (ODI) analyzed complaint data provided by BMW as well as complaints submitted to ODI from consumers. In total, there were 30 unique Mini Cooper reports indicating engine fire.In addition, BMW provided warranty data showing 493 claims for replacement of the subject component on Mini Cooper vehicles.Owners of the recalled vehicles are notified to take their vehicle to a BMW dealer, who will replace the auxiliary water pump to prevent any incidents related to this issue.This preliminary evaluation is closed.The ODI reports cited above can be viewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification numbers (ODI Nos.):10286597, 10286663, 10289793, 10310677, 10314796, 10342365, 10394808, 10394192, 10403982, 10418325, 10422646, 10429003.
Additional source detail variants (3)
Engine And Engine Cooling
In a January 10, 2012 letter to NHTSA, BMW of North America, LLC. (BMW) submitted a Defect Information Report (DIR) identifying a defect in the electric auxiliary water pump in approximately 88,911 model year (MY) 2007-2011 Mini Cooper vehicles manufactured from November 14, 2006 through January 18, 2011 (Recall 12V-008).According to BMW, the auxiliary water pump on vehicles equipped with 4-cylinder turbocharged engines may overheat.Electro-migration can cause the pump electronic circuit board to overheat resulting in smoldering of the water pump. If smoldering occurs, it may lead to an engine compartment or vehicle fire.The pump supplier, Pierburg Pump Technology GmbH, redesigned the pump to address factors that may contribute to circuit board overheating.The redesigned pumps were completely implemented in production vehicles by January 2011.Recall 12V-008 was the third recall initiated by BMW to address electric auxiliary water pump fires in vehicles equipped with Pierburg pumps.In two October 20, 2011 letters to NHTSA, BMW submitted DIRs for similar auxiliary water pump defect conditions in approximately 32,084 MY 2008-2011 BMW 5-Series, 7-Series, X5 and X6 models equipped with 8- and 12-cylinder engines and manufactured from May 2008 through December 2010 (Recall 11V-521); and for approximately 589 MY 2010 Rolls-Royce Ghost vehicles manufactured from September 2009 through September 2010 (Recall 11V-522).In three separate April 5, 2012 letters to NHTSA, BMW submitted amendments to Recalls 11V-521, 11V-522 and 12V-008.The amendments all described a common defect condition related to a manufacturing process deviation in a certain production range of the redesigned Pierburg water pumps that could result in cracks in the pump housing, which may allow coolant to enter and contact the pump?s circuit board.BMW indicated that further analysis identified a specific machine process error at the sub-supplier that manufactures the water pump housing.Pump housing cracks may cause the circuit board to overheat and lead to smoldering of the water pump.Recall 12V-008 was, thus, amended to include approximately 1,457 MY 2011 Mini Cooper vehicles manufactured from March 31, 2011 through April 22, 2011, when pumps manufactured with the suspect manufacturing process may have been used in vehicle assembly.The amendment to Recall 11V-521 was assigned a new recall number, Recall 12V-161, and covered approximately 2,846 MY 2011-2012 BMW 5-Series, 6-Series, 7-Series, X5, and X6 vehicles manufactured from April 1, 2011 through August 1, 2011.The amendment to Recall 11V-522 was assigned a new recall number, Recall 12V-166, and covered approximately 69 MY 2011 Rolls-Royce Ghost vehicles manufactured from April 7, 2011 through June 2, 2011.The Office of Defects Investigation (ODI) analyzed complaint data provided by BMW as well as complaints submitted to ODI from consumers. In total, there were 30 unique Mini Cooper reports indicating engine fire.In addition, BMW provided warranty data showing 493 claims for replacement of the subject component on Mini Cooper vehicles.Owners of the recalled vehicles are notified to take their vehicle to a BMW dealer, who will replace the auxiliary water pump to prevent any incidents related to this issue.This preliminary evaluation is closed.The ODI reports cited above can be viewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification numbers (ODI Nos.):10286597, 10286663, 10289793, 10310677, 10314796, 10342365, 10394808, 10394192, 10403982, 10418325, 10422646, 10429003.
Engine And Engine Cooling
In a January 10, 2012 letter to NHTSA, BMW of North America, LLC. (BMW) submitted a Defect Information Report (DIR) identifying a defect in the electric auxiliary water pump in approximately 88,911 model year (MY) 2007-2011 Mini Cooper vehicles manufactured from November 14, 2006 through January 18, 2011 (Recall 12V-008).According to BMW, the auxiliary water pump on vehicles equipped with 4-cylinder turbocharged engines may overheat.Electro-migration can cause the pump electronic circuit board to overheat resulting in smoldering of the water pump. If smoldering occurs, it may lead to an engine compartment or vehicle fire.The pump supplier, Pierburg Pump Technology GmbH, redesigned the pump to address factors that may contribute to circuit board overheating.The redesigned pumps were completely implemented in production vehicles by January 2011.Recall 12V-008 was the third recall initiated by BMW to address electric auxiliary water pump fires in vehicles equipped with Pierburg pumps.In two October 20, 2011 letters to NHTSA, BMW submitted DIRs for similar auxiliary water pump defect conditions in approximately 32,084 MY 2008-2011 BMW 5-Series, 7-Series, X5 and X6 models equipped with 8- and 12-cylinder engines and manufactured from May 2008 through December 2010 (Recall 11V-521); and for approximately 589 MY 2010 Rolls-Royce Ghost vehicles manufactured from September 2009 through September 2010 (Recall 11V-522).In three separate April 5, 2012 letters to NHTSA, BMW submitted amendments to Recalls 11V-521, 11V-522 and 12V-008.The amendments all described a common defect condition related to a manufacturing process deviation in a certain production range of the redesigned Pierburg water pumps that could result in cracks in the pump housing, which may allow coolant to enter and contact the pump?s circuit board.BMW indicated that further analysis identified a specific machine process error at the sub-supplier that manufactures the water pump housing.Pump housing cracks may cause the circuit board to overheat and lead to smoldering of the water pump.Recall 12V-008 was, thus, amended to include approximately 1,457 MY 2011 Mini Cooper vehicles manufactured from March 31, 2011 through April 22, 2011, when pumps manufactured with the suspect manufacturing process may have been used in vehicle assembly.The amendment to Recall 11V-521 was assigned a new recall number, Recall 12V-161, and covered approximately 2,846 MY 2011-2012 BMW 5-Series, 6-Series, 7-Series, X5, and X6 vehicles manufactured from April 1, 2011 through August 1, 2011.The amendment to Recall 11V-522 was assigned a new recall number, Recall 12V-166, and covered approximately 69 MY 2011 Rolls-Royce Ghost vehicles manufactured from April 7, 2011 through June 2, 2011.The Office of Defects Investigation (ODI) analyzed complaint data provided by BMW as well as complaints submitted to ODI from consumers. In total, there were 30 unique Mini Cooper reports indicating engine fire.In addition, BMW provided warranty data showing 493 claims for replacement of the subject component on Mini Cooper vehicles.Owners of the recalled vehicles are notified to take their vehicle to a BMW dealer, who will replace the auxiliary water pump to prevent any incidents related to this issue.This preliminary evaluation is closed.The ODI reports cited above can be viewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification numbers (ODI Nos.):10286597, 10286663, 10289793, 10310677, 10314796, 10342365, 10394808, 10394192, 10403982, 10418325, 10422646, 10429003.
Engine And Engine Cooling
In a January 10, 2012 letter to NHTSA, BMW of North America, LLC. (BMW) submitted a Defect Information Report (DIR) identifying a defect in the electric auxiliary water pump in approximately 88,911 model year (MY) 2007-2011 Mini Cooper vehicles manufactured from November 14, 2006 through January 18, 2011 (Recall 12V-008).According to BMW, the auxiliary water pump on vehicles equipped with 4-cylinder turbocharged engines may overheat.Electro-migration can cause the pump electronic circuit board to overheat resulting in smoldering of the water pump. If smoldering occurs, it may lead to an engine compartment or vehicle fire.The pump supplier, Pierburg Pump Technology GmbH, redesigned the pump to address factors that may contribute to circuit board overheating.The redesigned pumps were completely implemented in production vehicles by January 2011.Recall 12V-008 was the third recall initiated by BMW to address electric auxiliary water pump fires in vehicles equipped with Pierburg pumps.In two October 20, 2011 letters to NHTSA, BMW submitted DIRs for similar auxiliary water pump defect conditions in approximately 32,084 MY 2008-2011 BMW 5-Series, 7-Series, X5 and X6 models equipped with 8- and 12-cylinder engines and manufactured from May 2008 through December 2010 (Recall 11V-521); and for approximately 589 MY 2010 Rolls-Royce Ghost vehicles manufactured from September 2009 through September 2010 (Recall 11V-522).In three separate April 5, 2012 letters to NHTSA, BMW submitted amendments to Recalls 11V-521, 11V-522 and 12V-008.The amendments all described a common defect condition related to a manufacturing process deviation in a certain production range of the redesigned Pierburg water pumps that could result in cracks in the pump housing, which may allow coolant to enter and contact the pump?s circuit board.BMW indicated that further analysis identified a specific machine process error at the sub-supplier that manufactures the water pump housing.Pump housing cracks may cause the circuit board to overheat and lead to smoldering of the water pump.Recall 12V-008 was, thus, amended to include approximately 1,457 MY 2011 Mini Cooper vehicles manufactured from March 31, 2011 through April 22, 2011, when pumps manufactured with the suspect manufacturing process may have been used in vehicle assembly.The amendment to Recall 11V-521 was assigned a new recall number, Recall 12V-161, and covered approximately 2,846 MY 2011-2012 BMW 5-Series, 6-Series, 7-Series, X5, and X6 vehicles manufactured from April 1, 2011 through August 1, 2011.The amendment to Recall 11V-522 was assigned a new recall number, Recall 12V-166, and covered approximately 69 MY 2011 Rolls-Royce Ghost vehicles manufactured from April 7, 2011 through June 2, 2011.The Office of Defects Investigation (ODI) analyzed complaint data provided by BMW as well as complaints submitted to ODI from consumers. In total, there were 30 unique Mini Cooper reports indicating engine fire.In addition, BMW provided warranty data showing 493 claims for replacement of the subject component on Mini Cooper vehicles.Owners of the recalled vehicles are notified to take their vehicle to a BMW dealer, who will replace the auxiliary water pump to prevent any incidents related to this issue.This preliminary evaluation is closed.The ODI reports cited above can be viewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification numbers (ODI Nos.):10286597, 10286663, 10289793, 10310677, 10314796, 10342365, 10394808, 10394192, 10403982, 10418325, 10422646, 10429003.