2006 BMW Z4 Engine Problems
- Complaints
- 5about this part
- Share
- 5%of 91 total for the year
- Median mileage
- 60,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the engine of the 2006 BMW Z4, 5% of the 91 complaints for this model year. Where a mileage was given, the median is 60,000 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.
“My battery is in good condition but I can't start the engine.-700km oil service warning light display on my dash.fuel pump is working.them open the key like that sound gap gap is come out...pls help me...”
NHTSA complaint #11230059, filed 2019-07, 15 miles“Spring in steering wheel that is part of air bag causes warning light. Less than 50 k miles electrical issues. Have had 2 replace the batteries twice in 5 years. Having to replace the blower motor twice, and the console controls for air conditioner and heater. Lastly, when the engine is warm and you come to a stop light, the engine surges drastically. Bmw service claims that it is normal. And”
NHTSA complaint #10870114, filed 2016-05, 60,000 miles“The contact owns a 2006 BMW Z4. The contact stated that while operating the vehicle, the check engine warning light illuminated and the vehicle lost motive power and stalled. Additionally, there was a burning odor on the inside and outside of the vehicle. The vehicle was taken to an independent mechanic who changed the engine spark plugs however, the failure persisted. The local dealer and manufacturer were not notified of the failure. The failure mileage was 120,000.”
NHTSA complaint #11469378, filed 2022-06, 120,000 miles“The contact owns a 2006 Bmw Z4. The contact stated that while driving 60 MPH, the engine suddenly lost power. The vehicle was taken to an independent mechanic where the technician diagnosed that the intake cam and the valves needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure. The failure mileage was 45,000.”
NHTSA complaint #10618746, filed 2014-08, 45,000 miles“The contact owns a 2006 Bmw Z4. The contact stated that while driving approximately 45 MPH, the vehicle suddenly stalled. The vehicle was taken to a dealer where the failure was unable to be diagnosed. The manufacturer was made aware of the failure. The vehicle was not repaired. The approximate failure and current mileage was unknown. The mechanic diagnosed the engine as having low compression and he heard the timing chain flapping. The mechanic recommended the dealer taking a look at the vehicle. The dealer determined the bolts holding the timing chain tensioner had sheared off. …”
NHTSA complaint #10585515, filed 2014-04, 76,700 milesRelated service bulletins
- 10162416Jul 9, 2019"Power Reduction, FC 2A82 Intake VANOS and/or FC 2A87 Exhaust VANOS Camshaft Faults are Stored in DME. The ""Service Engine Soon"" (MIL) lamp is illuminated and engine…
- 10151300May 1, 2016N51, N52, N52K and N52T Engines: Various Eccentric Shaft Sensor Faults stored in the DME - Diagnostic Hints This Service Information bulletin and attachment supersedes SI B11 06…
- 10150095Mar 1, 2013Intermittent Hydraulic Valve Adjuster (HVA) Noise. An occasional ticking or rattling noise from the camshaft hydraulic valve lifters (HVA) may occur during cold engine starts…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2020 | 2 | 40% |
| 2019 | 2 | 40% |
| 2015 | 1 | 20% |
| 2012 | 1 | 20% |
| 2011 | 10 | 22% |
| 2010 | 1 | 10% |
| 2009 | 4 | 18% |
| 2008 | 1 | 5% |
| 2007 | 4 | 12% |
| 2006 | 5 | 5% |
| 2005 | 3 | 2% |
| 2003 | 1 | 0% |
Other parts of the 2006 BMW Z4
55 complaintsAir bags
14 complaintsElectrical system
13 complaintsEngine cooling
4 complaintsExterior lighting
4 complaintsSeats
3 complaintsOther or unknown
2 complaintsVehicle speed control
2 complaintsFuel system
1 complaintsBody and structure
1 complaintsTires
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2006 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