2015 BMW Z4 Engine cooling Problems
- Complaints
- 2about this part
- Share
- 40%of 5 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine cooling of the 2015 BMW Z4, 40% of the 5 complaints for this model year. 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.
“The contact owns a 2015 BMW Z4. The contact received notification of NHTSA Campaign Number: 24V608000 (ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.”
NHTSA complaint #11666290, filed 2025-06“The contact owns a 2015 BMW Z4. The contact received notification of NHTSA Campaign Number: 24V608000 (ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue. The manufacturer was not made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.”
NHTSA complaint #11647400, filed 2025-03Related recalls
- 24V608000Aug 13, 2024BMW of North America, LLC. (BMW) is recalling certain 2012-2015 X1 sDrive28i, X1 xDrive28i, 2012-2016 Z4 sDrive28i, 528i, 528i xDrive, 328i, 328xi, 2016-2018…Covers: BMW Z4 2012–2016, 528I 2012–2016, 328I 2012–2016 +8 more
Related service bulletins
- 10204534Oct 1, 2021For the above-referenced vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the engine timing chain and oil pump drive chain modules to: 7…
- 10203331Sep 1, 2021BMW of North America, LLC (BMW NA) is extending the limited warranty for the engine timing chain and oil pump drive chain modules to: 7 years/70,000 miles as determined by the…
- 10204619Jul 1, 2021BMW of North America, LLC BMW NA is extending the limited warranty for the engine timing chain and oil pump drive chain modules to: 7 years/70,000 miles as determined by the…
- 10186213Dec 1, 2020N20 AND N26 ENGINE TIMING CHAIN AND OIL PUMP DRIVE CHAIN: Whining noise from the lower engine area near the engine oil pump that increases frequency when increasing the engine…
- 10136705Dec 1, 2017N20 Engine Coolant Thermostat: Limited Warranty Extension to 10 Years/120,000 Miles
- 10146573Mar 1, 2017N20, N26, N55, N63TU, S63TU and S55 Engines: Bosch Injector ETK Part Number Error What's New: ? Procedure change: indentifying injector type using an ISTA test plan. . The…
- 10146786Nov 1, 20168HP: TRANSMISSION FLUID LOSS FROM COOLER LINES CONNECTIONS. There is a transmission fluid leak in the area around the oil cooler lines (on the transmission side). CAUSE Damaged…
- 10151249Apr 1, 2016N20 and N26 engine: Smoke from Exhaust when Starting a Cold Engine. When starting a cold engine, blue smoke can be seen emitting from the exhaust tailpipe for approximately 10-20…
- 10151074Feb 1, 2016"SI B12 01 14 February 2016 Electrical Systems Technical Service This Service Information bulletin supersedes SI B12 01 14 dated April 2014. Due to an error in the DME (Digital…
- 10151072Feb 1, 2016February 2016 Engine Technical Service This Service Information Bulletin supersedes SI B11 16 15 dated September 2015 SUBJECT N20 and N26 engine: Smoke from Exhaust when Starting…
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2015 | 2 | 40% |
| 2014 | 2 | 29% |
| 2013 | 1 | 14% |
| 2012 | 3 | 60% |
| 2011 | 7 | 15% |
| 2010 | 3 | 30% |
| 2009 | 1 | 5% |
| 2008 | 2 | 11% |
| 2007 | 6 | 18% |
| 2006 | 4 | 4% |
| 2003 | 11 | 3% |
Other parts of the 2015 BMW Z4
2 complaintsEngine
1 complaintsExterior lighting
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2015 BMW Z4
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