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2006 BMW Z4: common problems and reliability
· E85One of the worst Z4 years.
One of the BMW Z4 years to avoid. All Z4 years
91 owner complaints, most about steering. 2 recalls.
Should I buy a 2006 Z4?The 2006 BMW Z4 has 91 owner-filed NHTSA complaints and 2 recalls on record. The most-reported areas are steering and air bags. Owners most often flag cooling system component failures, including water pump, expansion tank, and plastic lines.
Safety record for the 2006 model year
Source: NHTSA complaints and recalls filed for 2006 BMW Z4 vehicles (US, public record).
The Year Score compares this year with other Z4 years only. How we score it
Is 2006 a good year for the Z4?
Across the 20 Z4 model years we track, complaint volume runs from 1 (2022) to 414 (2003). With 91 complaints, the 2006 Z4 sits above the model's median of 19.
These are raw NHTSA complaint totals, not adjusted for how many cars sold or how long each model year has been on the road. Older and higher-selling years accumulate more complaints.
Where owners report problems
Recalls affecting the 2006 Z4
engine and engine cooling:exhaust system:emission control:crankcase (pcv)
Campaign 19V273000BMW of North America, LLC (BMW) is recalling certain 2006 525i, 525xi, 530i, 530xi, 530xi Sports Wagon, 325i, 325xi, 325xi Sports Wagon, 330i, 330xi, Z4 3.0i and Z4 3.0si vehicles. The heater for the positive crankcase ventilation (PCV) valve may short circuit.
engine and engine cooling:exhaust system:emission control:crankcase (pcv)
Campaign 22V119000BMW of North America, LLC (BMW) is recalling certain 2008-2013 1 Series Coupe (128i); 2007-2013 3 Series Coupe (328i, 328xi, 328i xDrive); 2007-2010 X3 SAV (X3 3.0si, X3 xDrive30i); 2008-2013 1 Series Convertible (128i); 2006-2011 3 Series Sedan (325i, 325xi, 328i, 328xi, 328i xDrive, 330i, 330xi); 2006-2012 3 Series Wagon (328i, 328i xDrive); 2007-2013 3 Series Convertible (328i); 2006-2010 5 Series Sedan (525i, 525xi, 528i, 528xi, 530i, 530xi); 2006-2007 5 Series Wagon (530xi); 2007-2010 X5 SAV (X5 3.0si, X5 xDrive30i); 2006-2008 Z4 Coupe (Z4 3.0si); and 2006-2011 Z4 Roadster (Z4 3.0i, Z4 3.0si, Z4 sDrive30i) vehicles. The heater for the positive crankcase ventilation (PCV) valve may short circuit.
What owners report on the E85 Z4
Owners of the E85 Z4 broadly describe it as one of the more reliable BMWs they have owned, with many praising the inline-six engines, the manual gearbox, and the distinctive styling that has aged well.
- Very frequentCooling system component failures, including water pump, expansion tank, and plastic lines
- RecurrentConvertible top motor strain or failure, sometimes leading to expensive repair or manual conversion
- RecurrentValve cover gasket and oil filter housing gasket leaks
- RecurrentDISA valve failure
- RecurrentVANOS issues, including solenoids and seals
Owner insights for the E85 Z4. Read the full E85 owner report.
Typical used price
Used Z4 listings typically run $13,934–$38,487.
Other Z4 model years
Compare every Z4 year side by side to see how 2006 ranks against the rest.
Compare the Z4 against its rivals
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