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Engine coolingPart report

2001 BMW Z3 Roadster Engine cooling Problems

Complaints
1about this part
Share
13%of 8 total for the year
Median mileage
63,745miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the engine cooling of the 2001 BMW Z3 Roadster, 13% of the 8 complaints for this model year. Where a mileage was given, the median is 63,745 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.

“After leaving my vehicle overnight, I started my vehicle with an ambient air temperature of 9 degrees fahrenheit. I proceeded to let my vehicle warm while I cleaned off the snow. I then got into my vehicle and proceeded to drive to my destination. While driving I began to loose engine power, and my service engine soon light came on. I had to pull to the side of the road where I parked my car. I shut my car down and after trying to restart my car it would not start. Upon having the vehicle towed to the dealer the failed part is a crankcase vent valve. The part is known to fail in cold weather. …”

NHTSA complaint #10182940, filed 2007-02, 63,745 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
2001113%

Other parts of the 2001 BMW Z3 Roadster

Transmission and drivetrain
3 complaints
Air bags
2 complaints
Brakes
1 complaints
Electrical system
1 complaints
Electronic stability control
1 complaints
Suspension
1 complaints

← All problems reported for the 2001 BMW Z3 Roadster

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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