Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 17 of 18 reports include usable mileage. There isn’t enough coverage to show a useful chart.
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.
Structure. Review the 9 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Power Train. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Suspension. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports0 fire reports0 injury reports
What owners actually said
18 reports
90,019 miles · Sep 16, 2015
Suspension
OVER SEVERAL MONTHS I HEARD INCREASING NOISE FROM THE REAR OF MY CAR. WHEN I TOOK IT TO MY MECHANIC HE FOUND THAT THE ENTIRE CROSSMEMBER THAT HOLDS THE DIFFERENTIAL TO THE SUBFRAME HAD PULLED LOOSE FROM THE TRUNK. THE CAR COULD NOT BE SAFELY DRIVEN, MY BODYSHOP SUGGESTED I SEND IT TO THE BMW DEALER IN CHARLOTTE NC. THEY KEPT M…
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OVER SEVERAL MONTHS I HEARD INCREASING NOISE FROM THE REAR OF MY CAR. WHEN I TOOK IT TO MY MECHANIC HE FOUND THAT THE ENTIRE CROSSMEMBER THAT HOLDS THE DIFFERENTIAL TO THE SUBFRAME HAD PULLED LOOSE FROM THE TRUNK. THE CAR COULD NOT BE SAFELY DRIVEN, MY BODYSHOP SUGGESTED I SEND IT TO THE BMW DEALER IN CHARLOTTE NC. THEY KEPT MY CAR FOR ABOUT 3 WEEKS AND FIXED IT. NOW 5 YEARS AND 10K MILES HAVE PASSED AND THE SUB-FRAME MOUNT IS PULLING LOOSE AGAIN, THE WELDS POP OUT AND THE NOISE HAS STARTED. IT MAKES THE CAR DANGEROUS TO DRIVE AND IMPOSSIBLE TO SELL.
NHTSA ODI #10764225
145,000 miles · Jul 28, 2015
Power TrainSuspension
TOOK VEHICLE IN FOR ENGINE MAINTENANCE AND ASKED THEM TO ADDRESS SQUEAKS AND RATTLES. ON INSPECTION IT WAS FOUND THAT THE REAR CROSSMEMBER HAD ALMOST COMPLETELY SEPARATED FROM THE UNIBODY AND THE MOUNT HOLDING THE DIFFERENTIAL IN HAD ONLY 1/4 IN OF 4 INCHES HOLDING THE AFT END OF THE DIFFERENTIAL. COMPLETE FAILURE COULD HAVE CAU…
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TOOK VEHICLE IN FOR ENGINE MAINTENANCE AND ASKED THEM TO ADDRESS SQUEAKS AND RATTLES. ON INSPECTION IT WAS FOUND THAT THE REAR CROSSMEMBER HAD ALMOST COMPLETELY SEPARATED FROM THE UNIBODY AND THE MOUNT HOLDING THE DIFFERENTIAL IN HAD ONLY 1/4 IN OF 4 INCHES HOLDING THE AFT END OF THE DIFFERENTIAL. COMPLETE FAILURE COULD HAVE CAUSED A CATASTROPHIC CHAIN OF EVENTS CAUSING A CRASH AND POSSIBLE FATALITIES. LOOKING ON LINE I FOUND NUMEROUS FAILURES OF THE SAME KIND RESULTING FROM METAL FATIGUE BROUGHT ON BY FAULTY DESIGN. AT LEAST THIS WAS THE OPINION OF OTHER PEOPLE WITH THE SAME FAILURE. ONE PERSON HAD A PHDS IN METALLURGY.
NHTSA ODI #10744495
67,000 miles · Mar 15, 2012
StructureSuspension
WHILE DRIVING THE CAR, THE REAR END FAIL AND BEGAN TO DRAG. AFTER GETTING THE CAR TOWED TO THE SHOP, IT WAS NOTED THE REAR END SUBFRAME WELDS CAME LOSE. AFTER CONTACTING THE INSURANCE COMPANY THEY TOTALED THE CAR OUT. I BOUGHT THE CAR BACK AND MADE REPAIRS TO THE CAR THAT COST ME $4000.00. *TR
NHTSA ODI #10451824
1,350,000 miles · Aug 4, 2011
SuspensionUnknown Or Other
CAR WAS PURCHASED NEW IT NOW HAS A BROKEN SUBFRAME. IT BEGAN AS A THUMPING NOISE IN THE REAR OF THE CAR. I THOUGHT MAYBE IT NEEDED STRUTS. AFTER LOOKING CLOSER I SAW A TEAR IN THE FRAME. I TOOK IT TO A BODY SHOP FIRST AND THEY HAD NEVER SEEN ANYTHING LIKE IT. SO I CONTACTED BMW AND THEY TOLD ME TO TAKE IT TO A LOCAL DEALER. AFTE…
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CAR WAS PURCHASED NEW IT NOW HAS A BROKEN SUBFRAME. IT BEGAN AS A THUMPING NOISE IN THE REAR OF THE CAR. I THOUGHT MAYBE IT NEEDED STRUTS. AFTER LOOKING CLOSER I SAW A TEAR IN THE FRAME. I TOOK IT TO A BODY SHOP FIRST AND THEY HAD NEVER SEEN ANYTHING LIKE IT. SO I CONTACTED BMW AND THEY TOLD ME TO TAKE IT TO A LOCAL DEALER. AFTER THEY INSPECTED IT THEY TOLD ME IT WOULD TAKE $10,000 PLUS TO FIX IT. THE REAR END IS BASICALLY SITTING ON THE EXHAUST WHICH IS THE ONLY THING HOLDING IT TO THE CAR. SEVERAL SPOT WELD HAVE FAILED THIS IS COMMON AMONG ALL BMW Z-3 CARS. MUCH LIKE THE 3 SERIES IN THE SAME YEARS ( 1999 - 2006 CLASS ACTION LAW SUIT) THEY ALL NEED TO BE RECALLED BEFORE SOME ONE GETS HURT. BMW IS NOT INTERESTED IN ADDRESSING THIS PROBLEM AND BASICALLY OFFERED ME $2000 TO HAVE IT FIXED IN THEIR SHOP. IT DIFFICULT TO UNDERSTAND THEIR WILLINGNESS TO PUT THE PUBLIC AT RISK. LOOKING ON LINE THIS IS A CHRONIC ISSUE THAT NEEDS ADDRESSED.
NHTSA ODI #10417535
135,000 miles · Aug 1, 2011
Structure
TL* THE CONTACT OWNS A 1999 BMW M ROADSTER. THE CONTACT HEARD A NOISE COMING FROM THE REAR OF THE VEHICLE. THE VEHICLE WAS TOWED TO THE DEALER WHERE IT WAS INSPECTED AND THE CONTACT WAS INFORMED THAT THE SUBFRAME HAD FRACTURED. THE MANUFACTURER WAS AWARE OF THE FAILURE. NO REPAIRS WERE PERFORMED. THE CURRENT AND FAILURE MIL…
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TL* THE CONTACT OWNS A 1999 BMW M ROADSTER. THE CONTACT HEARD A NOISE COMING FROM THE REAR OF THE VEHICLE. THE VEHICLE WAS TOWED TO THE DEALER WHERE IT WAS INSPECTED AND THE CONTACT WAS INFORMED THAT THE SUBFRAME HAD FRACTURED. THE MANUFACTURER WAS AWARE OF THE FAILURE. NO REPAIRS WERE PERFORMED. THE CURRENT AND FAILURE MILEAGE WAS 135,000. UPDATED 09/19/11 *BF THE MECHANIC INFORMED THE CONSUMER THE PROBLEM WAS DUE TO FATIGUE. THE SHEET METAL WAS TOO THIN AND THE BOX BEAM WAS TOO SMALL. UPDATED 11/04/11
NHTSA ODI #10416542
98,010 miles · Nov 3, 2009
Power TrainStructure
THE DIFFERENTIAL MOUNT FOR THE CAR HAS TORN LOOSE FROM THE TRUNK FLOOR IT IS WELDED TO. THERE WAS NO ACCIDENT BECAUSE I FOUND THIS DEFECT BEFORE ONE OCCURRED. HAD I NOT FOUND THIS DEFECT, THE ENTIRE REAR AXLE COULD HAVE COME LOOSE FROM THE VEHICLE WHILE DRIVING IT. *TR
NHTSA ODI #10290785
100,555 miles · Feb 8, 2009
Structure
NOISE DEVELOPING UNDER REAR UNDERCARRIAGE. *TR
NHTSA ODI #10257952
60,000 miles · Jan 31, 2009
Power TrainStructureSuspension
DIFFERENTIAL SUBFRAME CAUSES WELD FAILURES APPEARING IN TRUNK AND OTHER BODY LOCATIONS. I BELIEVE THAT THIS IS CAUSED BY A DEFECT THAT GENERATES A SIGNIFICANT SAFETY HAZARD. THIS DEFECT IS BEING REPORTED BY AN INCREASING NUMBER OF Z3 OWNERS OVER TIME. *TR
NHTSA ODI #10257030
109,000 miles · Oct 22, 2007
Structure
REAR SUBFRAME SEPARATION ON 1999 M ROADSTER (Z3). *TR
NHTSA ODI #10206576
62,221 miles · Apr 4, 2007
Power Train
FAILURE OF THE TRUNK FLOOR SUPPORTING THE DIFFERENTIAL, RENDERING THE CAR UNDRIVEABLE. *JB
NHTSA ODI #10187026
Official recalls
0
No recalls in this snapshot.
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
0
No exact-year investigations in this snapshot.
1999 BMW M Roadster Problems, Complaints & Recalls | Skip That Year