2021 BMW 540I Brakes Problems
- Complaints
- 3about this part
- Share
- 33%of 9 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the brakes of the 2021 BMW 540I, 33% of the 9 complaints for this model year. 1 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“We notice the lose of braking power right after we started the car on 4/30 morning. The car was totally fine before that. took it to the BMW dealer they said the problem is Vacuum/oil pump failing internally. fault for brake booster pressure switch, no brake boost I find that there is a recall for the exact problem but it doesn't include my vehicle The Part 573 Safety Recall Report 21V-598 stated that when It does happen it will cause damage to the oil/vacuum pump. I think recall 21V-598 should include my vehicle”
NHTSA complaint #11658906, filed 2025-05“In November 2025 my breaks quit working. I had AAA haul my car to a repair shop. They ran the codes on the car and found that it was related to a recall on 2021 BMW 540i's for the oil vacuum pump assembly, pan and gasket. I then had it towed to BMW and found out that my vin was not in the recall. BMW quoted me $4587 to repair this on a car with 45,000 miles. I then had it towed to a repair shop that replaced the oil vacuum pump assembly, oil pan, gasket and bolts for about $3700. I think that my vin should have been included in the recall. …”
NHTSA complaint #11717479, filed 2026-02Related service bulletins
- 10194298Apr 1, 2021Diagnosis of Compound Brake System Complaints in M Vehicles: 1. Visible cracks are caused by high thermal stresses during rapid heating and cooling of the brake discs. Braking…
Brakes: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 3 | 60% |
| 2023 | 2 | 33% |
| 2021 | 3 | 33% |
| 2018 | 1 | 3% |
| 2017 | 2 | 10% |
| 2003 | 1 | 14% |
| 2000 | 1 | 3% |
| 1999 | 4 | 18% |
| 1998 | 1 | 4% |
| 1997 | 1 | 4% |
| 1995 | 1 | 10% |
Other parts of the 2021 BMW 540I
3 complaintsElectrical system
2 complaintsEngine
1 complaintsForward collision avoidance
1 complaintsSeat belts
1 complaintsSteering
1 complaintsWheels
1 complaints
← All problems reported for the 2021 BMW 540I
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology