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EnginePart report

2007 BMW 525I Engine Problems

Complaints
6about this part
Share
8%of 72 total for the year
Median mileage
71,400miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 6 complaints about the engine of the 2007 BMW 525I, 8% of the 72 complaints for this model year. Where a mileage was given, the median is 71,400 miles.

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.

“The NHTSA database is showing a recall for my car has not been completed. However I am currently in south korea with my car and the dealership here is telling me that the recall has been completed. This is a conflict. I can not ship my car back to the us without this recall being cleared. Can someone provide me documentation showing that the recall has been satisfied.”

NHTSA complaint #11270887, filed 2019-10, 50,000 miles

“Returning home from a trip to the grocery, car running fine, turned into my driveway, heard a noise , engine stopped running. Had the car pulled to my garage,, I am a diesel engine rebuilder so I do know engines. I looked the engine over with the hood up, didn't really notice anything. Got back in the car and tried to re start the engine, it rolled over fine but no start. I again looked in the engine area for any problems. Then I saw it. The front pulley and crankshaft was crooked,, very visible crooked. I reached down and grabbed the end of the crankshaft and it is broken. …”

NHTSA complaint #10779991, filed 2015-10, 71,400 miles

“The contact owns a 2007 BMW 525i. The contact stated that while driving at approximately 75-85 MPH, she smelled smoke coming from the hood of the vehicle. The contact was unsure if any warning lights illuminated. The vehicle was taken to an independent mechanic where he referenced NHTSA Campaign Number: 22V119000 (Engine And Engine Cooling) , but the vehicle was not diagnosed for the failure. The dealer was not notified of the failure. The manufacturer was not notified of the failure. The approximate failure mileage was 189,000.”

NHTSA complaint #11478651, filed 2022-08, 189,000 miles

“The contact owns a 2007 Bmw 525I. The contact received notification of NHTSA campaign number: 17v683000 (engine and engine cooling). The part to do the repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. An unknown Bmw dealer in hemet, california was made aware of the recall and stated that the parts were unavailable. The manufacturer was made aware of the issue. The contact stated that the engine overheated on more than one occasion. The failure mileage was unknown. Vin tool confirms parts not available.”

NHTSA complaint #11075990, filed 2018-03

Related service bulletins

Engine: other model years

YearComplaintsShare of year
200768%
200634%
200513%
200422%
2001418%

Other parts of the 2007 BMW 525I

Air bags
25 complaintsElectrical system
14 complaintsSteering
12 complaintsOther or unknown
6 complaintsSeat belts
6 complaintsSeats
6 complaintsBrakes
4 complaintsExterior lighting
4 complaintsTransmission and drivetrain
4 complaintsEngine cooling
3 complaintsBody and structure
3 complaintsTires
1 complaints

← All problems reported for the 2007 BMW 525I

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