VehicleVerdict

2006 BMW Z4 problems

Verdict · NHTSA data

One of the years to avoid

With 107 complaints filed to NHTSA — about 10.7 times the median Z4 year — the 2006 model ranks #4 of 20 Z4 years for complaint volume. It lands on the years-to-avoid list. Reports tied to this model year include one death and 1 injuries, per the complaint records themselves.

The trouble concentrates in one system: steering issues account for 51% of all reports (55 of 107), far ahead of airbags at 14.

107

NHTSA complaints

2

Recalls

1

Investigations

1

Crash-involved

3

Fires reported

1

Injuries

1

Deaths

—

NCAP overall

How does 2006 compare to other Z4 years?

Z4 NHTSA complaints by model year, 2006 highlighted460 complaints2002: 6 complaints2003: 460 complaints2004: 443 complaints2005: 204 complaints2006: 107 complaints2007: 42 complaints2008: 27 complaints2009: 26 complaints2010: 10 complaints2011: 57 complaints2012: 7 complaints2013: 12 complaints2014: 10 complaints2015: 7 complaints2016: 5 complaints2019: 7 complaints2020: 8 complaints2021: 0 complaints2022: 2 complaints2023: 0 complaints
Z4 NHTSA complaints by model year, 2006 highlighted. Red bars are years to avoid.

See all Z4 years to avoid →

What are the most common 2006 BMW Z4 problems?

ComponentComplaintsShare
Steering5551%
Airbags1413%
Electrical System1312%
Engine98%
Lighting44%
Seats33%
Other22%
Speed Control22%
Fuel System11%
Body & Structure11%
Tires & Wheels11%
Transmission11%
Visibility & Wipers11%

Does the 2006 BMW Z4 have recalls?

2 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

22V119000EngineMarch 2, 2022 · 917,106 units

Defect

BMW 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.

Consequence

An electrical short can cause the PCV valve heater to overheat, increasing the risk of a fire while driving or, soon after driving when parked.

Remedy

This recall supersedes and expands previous NHTSA recalls 17V-683 and 19V-273. Dealers will install an electrical wiring harness with fuse protection for the PCV Valve heater in potentially affected vehicles, free of charge. This recall supersedes and expands previous NHTSA recalls 17V-683 and 19V-273. Vehicles previously repaired under the prior recalls will need to come back for the new recall remedy. The remedy is currently being developed. Interim owner notification letters informing owners of the safety risk were mailed on April 1, 2022. Owner notification letters were mailed on July 22, 2022. Owners may contact BMW customer service at 1-800-525-7417.

19V273000EngineApril 4, 2019 · 184,505 units

Defect

BMW 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.

Consequence

An electrical short can cause the parts within the PCV valve to melt, increasing the risk of a fire, even when the vehicle is not in use.

Remedy

BMW will notify owners, and dealers will replace the PCV valve heater, free of charge. The recall began May 30, 2019. Owners may contact BMW customer service at 1-800-525-7417. Note: This recall is an expansion to recall 17V-683.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

“TL*THE CONTACT OWNS A 2006 BMW Z4. THE CONTACT STATED WHILE DRIVING 35 MPH, THE STEERING PULLED TO THE RIGHT OR THE LEFT. WHILE MAKING A RIGHT TURN, THE STEERING PULL TO THE RIGHT AND THE VEHICLE CRASHED INTO THE CURB CAUSING EXTENSIVE DAMAGES TO THE FRONT FENDER AND SIDES. THERE WERE NO INJURIES.…”

Complaint filed with NHTSA · Steering · March 25, 2011 · crash

“TL* THE CONTACT OWNS A 2006 BMW Z4. THE CONTACT STATED THAT THE AIR BAG WARNING LIGHT ILLUMINATED CONTINUOUSLY. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DETERMINED THAT THE OCCUPANT DETECTION MAT HAD FAILED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS CONTACTED ABOUT THE FAILURE. THE…”

Complaint filed with NHTSA · Airbags · July 25, 2013

“TL* THE CONTACT OWNS A 2006 BMW Z4. THE CONTACT STATED THAT WHILE PARKED, THE CONTACT USED THE KEYLESS ENTRY TO UNLOCK THE DOOR AND THE VEHICLE CAUGHT ON FIRE. THE CONTACT CALLED THE FIRE DEPARTMENT WHO STATED THAT THE FIRE WAS CAUSED BY AN ELECTRICAL COMPONENT. THE MANUFACTURER WAS CONTACTED ABOUT…”

Complaint filed with NHTSA · Electrical System · October 7, 2013 · fire

“TL* 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…”

Complaint filed with NHTSA · Engine · July 18, 2014

“THE INSULATED WIRING INSIDE THE HEADLIGHT HOUSING HAS HARDENED AND THE INSULATION HAD CRACKED AND FALLEN OFF. THIS ALLOWS THE WIRES TO SHORT AND CAUSES UNEXPECTED FAILURE OF THE HEADLIGHTS, PARKING LIGHTS, TURN SIGNALS AND OTHER ITEMS INSIDE THE HEADLIGHT HOUSING. THE LIGHTS FAILED UNEXPECTEDLY AND…”

Complaint filed with NHTSA · Lighting · July 21, 2019

2006 BMW Z4 — common questions

Is the 2006 BMW Z4 reliable?

NHTSA data argues against it: 107 complaints put the 2006 model at #4 of 20 Z4 years. It is one of the Z4 years to avoid.

What are the most common 2006 Z4 problems?

According to NHTSA complaint data, the leading problem areas are steering (55 complaints), airbags (14 complaints), electrical system (13 complaints).

Does the 2006 BMW Z4 have recalls?

Yes — NHTSA lists 2 recall campaigns affecting the 2006 BMW Z4. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Is the 2006 BMW Z4 under NHTSA investigation?

NHTSA opened one investigation into this model year; all are now closed.

Which BMW Z4 years should you avoid?

Based on complaint rates and open investigations, the Z4 years to avoid are 2003, 2004, 2005, 2006, 2011, 2007. The cleanest record among Z4 years belongs to 2023.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.