AI Damage2021 BMW M550I: common problems
Owners of the 2021 BMW M550I filed 1 complaints with NHTSA, most often about powertrain. The maker issued 165 service bulletins for this year. We found 2 repair videos on YouTube. Details by component below, with sources.
Key figures
- Owner complaints
- 1
- Technical service bulletins (TSB)
- 165
- YouTube repair videos
- 2
What fails most often
- Powertrain: 1 complaints (100% of all); manufacturer bulletins for this component: 4.
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 4.4 L · petrol · turbo · 8 cyl
- automatic, 8-speed
Drive: AWD
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Powertrain | 1 | 0 | 4 |
| Equipment | 0 | 0 | 73 |
| Electrical system | 0 | 0 | 64 |
| Engine and cooling | 0 | 0 | 13 |
| Steering | 0 | 0 | 11 |
| Exterior lighting | 0 | 0 | 10 |
| Backover prevention | 0 | 0 | 9 |
| Engine | 0 | 0 | 9 |
| Structure | 0 | 0 | 8 |
| Visibility | 0 | 0 | 7 |
| Seats | 0 | 0 | 6 |
| Fuel system | 0 | 0 | 4 |
| Lane departure | 0 | 0 | 3 |
| Air bags | 0 | 0 | 2 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Although there were no warning lamps prior to the failure, slight vibrations or noises may have indicated an issue with the guibo. The attached image is the recommendation from the BMW service center however I declined to it repaired out of pocket.
Comparison
By complaint count this model year ranks 1,964 of 2,102 model years in the NHTSA data (among the 7% least complained about).
On average one model year of the M550I has 4 complaints (7 years in the data). This year has 1, below average.
What to check before buying
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Steering. Steering play, power assist, rack and tie rods after a wheel impact.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- The Fuel Injector Condition-Specific Repair Coverage Program applies to qualifying repairs for the…
The Fuel Injector Condition-Specific Repair Coverage Program applies to qualifying repairs for the required replacement of one or more the fuel injectors which were determined to have failed due to a buildup of…
- One or more of the LED daytime running lights are dim or discolored
- The basic conditions for initializing the power windows are not met
- The electrical system of BMW vehicles has been subject to an ongoing development process over the last few…
The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important…
- Functional noises (squealing/honking) when braking shortly before the vehicle comes to a stop
- ?The sunroof will not operate in either direction
- ?The front seat will not calibrate/initialize, and the stored faults cannot be deleted
- ?Unusual noises occur only when operating the steering column in the axial direction
- ?A software error may cause an unwanted pressure pulsation in the transmission during a "Remote Engine Start."
- The air conditioning cycles from cold to warm air while driving or while at a stand still
The vent outlet temperatures vary by 25 degrees Fahrenheit or more (38 F to 60 F +) without changing any climate control settings.
- Headlight check control (CC) message 128 "High beam headlight failure" is displayed
The following fault codes are stored during a vehicle test: 80419A - Left high-beam headlight: Short circuit and/or 8041A5 - light outputs: Number of permitted short circuit cycles exceeded
- A groaning type noise is heard during the height adjustment
NHTSA lists 165 bulletins for this year; the 12 newest are shown here.
Repair videos
We do not copy videos: these are YouTube links credited to their authors. Amounts are as stated by the author and not verified by us.
- We Bought a Clean Title BMW M550i From Auction… Will It Start?amount per author: 20,000 UNSPECIFIED_DOLLAR
- I Bought a 2021 BMW M550i XDRIVE From IAAI For Just $18,000!
Other years of this model
Questions and answers
What are the most common problems with the 2021 BMW M550I?
Owner complaints to NHTSA most often mention: powertrain. Total complaints: 1. The most frequent symptoms in complaint texts: vibration (100%).
How many service bulletins (TSB) were issued for the 2021 BMW M550I?
NHTSA lists 165 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2021 BMW M550I from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2021 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.