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.
The most frequently selected component label in reports for the 1991 735I is engine and engine cooling:cooling system with 2 filings, followed by exterior lighting:tail lights (1).
Complaint categories reflect owner reports and intake categorization; they do not establish a defect pattern or cause.
NHTSA currently has 34 investigation files overlapping the 1991 735I.
Owners comparing this cohort against neighboring years should read the complaint-by-year trend as report volume, not a causal diagnosis. Use the related-complaint feed and the official recall lookup when researching a specific vehicle.
3
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
Total Complaints
3 filings
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
Crashes
Fires
ENGINE AND ENGINE COOLING:COOLING SYSTEM
2
0
0
EXTERIOR LIGHTING:TAIL LIGHTS
1
0
0
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
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.
Data vintage: August 2026. 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.
Every figure on PlainCars is rendered directly from NHTSA complaint and safety data, no
number is typed in by an editor. This year-specific record is rendered from NHTSA ODI, recall, and NCAP rows for the 1991 BMW 735I; no figure is typed in by an editor. See our
editorial standards & corrections policy, the
methodology behind these numbers, or
report a data error. Data current as of August 2026.