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1991 BMW 850I

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

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: 1 of 9 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.

  • Exterior Lighting. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 1 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 reports1 injury reports

Exterior Lighting complaints

5 reports
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Mileage unknown · Jun 29, 2004
Exterior Lighting

THE DRIVER NOTICED THAT THE HEADLIGHT ADJUSTER WAS BROKEN. THIS CAUSED POOR VISIBILITY WHILE DRIVING AT NIGHT. THE CONSUMER TOOK THE VEHICLE TO THE DEALER AND WAS INFORMED THAT THE HEADLIGHTS ADJUSTER NEEDED TO BE REPLACED. *NM THE HEADLIGHTS WERE NOT HIGH ENOUGH TO SHINE ON THE ROAD TO ALLOW THE CONSUMER TO VIEW THE ROAD…

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THE DRIVER NOTICED THAT THE HEADLIGHT ADJUSTER WAS BROKEN. THIS CAUSED POOR VISIBILITY WHILE DRIVING AT NIGHT. THE CONSUMER TOOK THE VEHICLE TO THE DEALER AND WAS INFORMED THAT THE HEADLIGHTS ADJUSTER NEEDED TO BE REPLACED. *NM THE HEADLIGHTS WERE NOT HIGH ENOUGH TO SHINE ON THE ROAD TO ALLOW THE CONSUMER TO VIEW THE ROAD. THE LIGHTS WOULD ONLY GO ABOUT 15-20 FEET IN FRONT OF THE VEHICLE. *SC *JB

NHTSA ODI #10074320

Mileage unknown · Aug 29, 2002
Exterior Lighting

BOTH HEADLIGHT ADJUSTMENT MECHAISMS HAVE REPEATEDLY FAILED. THIS IS AN ONGOING COMPLAINT WITH BMW 8 SERIES OWNERS. WHEN THE ADJUSTMENT MECHANISM FAILS THE HEADLIGHT BUCKETS POINT DOWNWARDS SO THAT THE AMOUNT OF ROAD VISIBLE TO THE DRIVER IS 25 FEET OR LESS. BMW HAS A "FIX" FOR THIS WHICH CONSISTS OF "PEENING" A PLASTIC ADJUS…

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BOTH HEADLIGHT ADJUSTMENT MECHAISMS HAVE REPEATEDLY FAILED. THIS IS AN ONGOING COMPLAINT WITH BMW 8 SERIES OWNERS. WHEN THE ADJUSTMENT MECHANISM FAILS THE HEADLIGHT BUCKETS POINT DOWNWARDS SO THAT THE AMOUNT OF ROAD VISIBLE TO THE DRIVER IS 25 FEET OR LESS. BMW HAS A "FIX" FOR THIS WHICH CONSISTS OF "PEENING" A PLASTIC ADJUSTMENT WHEEL TO THE ADJUSTMENT SHAFT. THIS USUALLY FAILS WITHIN SEVERAL THOUSAND MILES. BMW THEN SAYS TO BUY A NEW HEADLIGHT BUCKET... $4-500 TO FIX A $2.00 PART. SOMETIME, OR MAYBE IT HA ALREADY HAPPEND THIS IS GOING TO CAUSE A MAJOR ACCIDENT OR A PEDESTRIAN FATALITY DUE TO THE FACT THAT THE LIGHTS ARE NOT PROJECTING FAR ENOUGH FOR A DRIVER TO SEE A REASONABLE DISTANCE DOWN THE HIGHWAY. I HAVE CONTACTED BMW AND HAVE YET TO RECIVE THE COURTESY OF A RETURN CALL. PLEASE RESPOND TO THIS COMPLAINT WITH WHAT ACTION THAT YOU MIGHT BE TAKING REGARDING THIS MATTER.*AK

NHTSA ODI #766418

Mileage unknown · Apr 19, 2002
Exterior Lighting

AFTER FAILURE, BMW TELLS YOU TO BUY NEW HEADLIGHT BUCKETS FOR $650 WITH NEW ADJUSTERS IN THEM, WHICH WILL FAIL AGAIN AFTER TWO TO FOUR YEARS, DEPENDING ON THE MILEAGE. AFTER FAILURE THE LIGHTS SHINE EXTREMLY LOW WITHOUT COVERING THE STREET IN FRONT OF YOU, RESULTING IN A REAL SAFETY HAZARD.

NHTSA ODI #760922

Mileage unknown · Apr 18, 2002
Exterior Lighting

CONSUMER STATES THE CONVERTIBLE HEADLIGHTS KNOB ARE NOT FUNCTIONING CORRECTLY MECHANIC AND MANUFACTURE HAVE BEEN NOTIFIED HOWEVER TO RESOLVE PROBLEM MANUFACTURE HAS OFFERED TO REPLACE THE WHOLE LIGHTS FOR $400.00 PER LIGHTS. NLM

NHTSA ODI #8007957

Mileage unknown · Apr 18, 2002
Exterior Lighting

HEADLIGHT HOUSING BROKEN. POINTS DOWNWARD.*AK

NHTSA ODI #760882

Official recalls

2

98V178000 · Engine And Engine Cooling:cooling System

Aug 4, 1998

VEHICLE DESCRIPTION: PASSENGER VEHICLES. A MALFUNCTION OR FAILURE OF A COOLANT SYSTEM COMPONENT, SUCH AS A THERMOSTAT, WATER PUMP, OR FAN BELT, CAN RESULT IN SIGNIFICANTLY INCREASED COOLANT TEMPERATURE AND SYSTEM PRESSURE. IF THE INDICATIONS OF A CRITICAL OVERHEATING CONDITION IS NOT NOTICED BY THE DRIVER, IT IS POSSIBLE THAT DAMAGE TO, OR FAILURE OF, A COOLANT SYSTEM COMPONENT COULD OCCUR.

Consequence & remedy

Consequence: IF A CRACK WERE TO FORM OR A SEAM WERE TO SEPARATE IN THE HEATER CORE END PIECE, HOT COOLANT COULD SUDDENLY BE EXPELLED, INCREASING THE RISK OF PERSONAL INJURY TO A VEHICLE OCCUPANT.

Remedy: DEALERS WILL INSTALL A NEW DESIGN RADIATOR CAP TO CONTROL PRESSURE AND PROVIDE GREATER COOLANT OVERFLOW IN THE EVENT OF OVERHEATING.

96V110000 · Air Bags:frontal

Jul 1, 1996

THE AIR BAG CONTACT RING LOCKING TAB LOCATED IN THE STEERING WHEEL ASSEMBLY CAN BREAK WITHOUT WARNING.

Consequence & remedy

Consequence: IF THIS HAPPENS, THE CONTACT RING WIRING COULD EVENTUALLY BREAK. THE AIR BAG READINESS INDICATOR LAMP (SRS OR AIRBAG) IN THE INSTRUMENT CLUSTER WILL ILLUMINATE, AND THE AIR BAG WOULD NOT DEPLOY IN THE EVENT OF A FRONTAL IMPACT VEHICLE COLLISION.

Remedy: DEALERS WILL REPLACE THE LOCKING TAB WITH ONE OF A DIFFERENT DESIGN.

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.