Total Complaints
3 filings
BMW 735I · model year
1991 BMW 735I
3 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1991BMW735I carries 3 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 1991 735I is engine and engine cooling:cooling system with 2 filings, followed by exterior lighting:tail lights (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 34 investigation files overlapping the 1991 735I. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
3
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| ENGINE AND ENGINE COOLING:COOLING SYSTEM | 2 |
| EXTERIOR LIGHTING:TAIL LIGHTS | 1 |
Recent Complaints
20010709ENGINE AND ENGINE COOLING:COOLING SYSTEM
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
19990921ENGINE AND ENGINE COOLING:COOLING SYSTEM
VEHICLE EXPERIENCED FAILURE OF THE RECALL COMPONENT (98V-178) PRIOR TO RECALL NOTICE RESULTING IN ADDITIONAL DAMAGE TO ENGINE COMPONENTS. MJS
19990921EXTERIOR LIGHTING:TAIL LIGHTS
TAIL LIGHT BULB FAILED. MJS
Compare 1991BMW735I to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 1991 BMW 735I have?▼
The 1991 BMW 735I has 3 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 1991 BMW 735I?▼
The most-complained component for the 1991 BMW 735I is ENGINE AND ENGINE COOLING:COOLING SYSTEM with 2 complaints. Other frequently reported areas include EXTERIOR LIGHTING:TAIL LIGHTS.
Is the 1991 BMW 735I safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Vehicle Safety Guides
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.