The 1991 BMW 735i has 3 NHTSA recall campaigns affecting an estimated 595,000 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 3 complaints with NHTSA, most often about the engine and engine cooling. Last updated July 5, 2026.
Recall campaigns
ENGINE AND ENGINE COOLING98V1780001998-08-04340,000 affected
Defect
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…
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.
AIR BAGS96V1100001996-07-0175,000 affected
Defect
THE AIR BAG CONTACT RING LOCKING TAB LOCATED IN THE STEERING WHEEL ASSEMBLY CAN BREAK WITHOUT WARNING.
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.
THE BRAKE LIGHT SWITCH CAN FAIL ALLOWING THE SWITCH TO REMAIN IN THE "BRAKE LIGHTS OFF" POSITION OR IN THE "BRAKE LIGHTS ON" POSITION.
Consequence
IF THIS HAPPENS, THE BRAKE LIGHTS EITHER WILL NOT OPERATE OR WILL BE CONTINUOUSLY ON, REGARDLESS OF BRAKE PEDAL POSITION. FOLLOWING DRIVERS WOULD NOT BE ABLE TO DETERMINE WHETHER THE VEHICLE IS STOPPING, INCREASING THE POTENTIAL FOR A VEHICLE ACCIDENT.
Remedy
DEALERS WILL REPLACE THE EXISTING BRAKE LIGHT SWITCH WITH A NEWLY DESIGNED SWITCH.
Complaints by component
ENGINE AND ENGINE COOLING:COOLING SYSTEM
2
EXTERIOR LIGHTING:TAIL LIGHTS
1
Total complaints3
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“Tail light bulb failed. Mjs”
“Vehicle experienced failure of the recall component (98v-178) prior to recall notice resulting in additional damage to engine components. Mjs”
“The vehicles cooling system failed prior to recall notice 98v-178, the dealer refused repair stating that the heater core problem could not be related to the radiator cap recall, the vehicle experienced the same symptoms stated in the recall. Nlm”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1991 BMW 735i as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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