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Engine coolingPart report

2008 BMW 550I Engine cooling Problems

Complaints
1about this part
Share
3%of 32 total for the year
Median mileage
36,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the engine cooling of the 2008 BMW 550I, 3% of the 32 complaints for this model year. Where a mileage was given, the median is 36,000 miles. 1 recall campaign on record is filed under a similar system.

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.

“Vehicle shuts off unexpectedly and fails to restart, additionally the vehicle will randomly fail to start. The engine will shut off while driving at highway speeds, when driving slowly, or shortly after shifting the car into drive from park. No warnings or errors are generally encountered or logged however in rare instances drivetrain warnings are displayed. The engine displays no strange behavior prior to this occurring and shuts off as if it were instructed to do so. The vehicle regularly fails to start. …”

NHTSA complaint #10443258, filed 2012-01, 36,000 miles

Related recalls

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
201213%
201134%
200813%
200713%
200614%

Other parts of the 2008 BMW 550I

Electrical system
9 complaints
Exterior lighting
7 complaints
Air bags
6 complaints
Engine
5 complaints
Seat belts
4 complaints
Transmission and drivetrain
3 complaints
Fuel system
2 complaints
Other or unknown
2 complaints
Suspension
2 complaints
Tires
2 complaints
Brakes
1 complaints
Seats
1 complaints

← All problems reported for the 2008 BMW 550I

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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