The power brake booster may have been improperly machined causing stress and possibly cracks in the master cylinder where it is attached to the power brake booster.
1983-1984 · 2 model years
BMW 633 Problems by year
Owners have filed 2 complaints about the BMW 633 across 2 model years, and it has 2 recalls. The 1984 has the most complaints once its age is allowed for (1). The most reported problem area is the brakes, followed by the acceleration & cruise control.
- Complaints
- 2
- Recalls
- 2
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
633 complaints by model year
Highlighted: the year with the most complaints for its age. Older vehicles have had more time to collect complaints - the Safety Index grade allows for that.
Most common 633 problems
BMW 633 recalls 2
On the involved vehicles, the self locking nuts that connect the lower steering column shaft to the flexible coupling may not have been sufficiently tightened. These nuts can come loose.
Latest 633 complaints
BRAKE ROTORS WARPED. (QC-AW)
Idle valve failure, causing sudden acceleration. *Sd
Questions about the BMW 633
Which BMW 633 years have the most problems?
What are the most common BMW 633 problems?
Across every model year, owners report problems with the brakes (1), acceleration & cruise control (1) most often.
How many recalls does the BMW 633 have?
NHTSA lists 2 recalls across all BMW 633 model years. Each year's page lists the recalls for that year; check your own vehicle by VIN at nhtsa.gov/recalls to see whether the repair has been done.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data