BMW Z4 · model year

2006 BMW Z4

107 NHTSA complaints, 1 crash report, and 2 active recalls for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 2006BMWZ4 carries 107 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 1 crash, 3 fires, 1 injury, and 1 fatality. No NCAP 5-star crash-test rating is available for this model year in the federal database.

Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2006 Z4 is steering with 55 filings, followed by air bags (13) and electrical system (13). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability. This model year has 2 active recall campaigns, which means the manufacturer is obligated to remedy the covered defect at no charge for the life of the vehicle — the full NHTSA campaign numbers are listed below.

NHTSA currently has 34 investigation files overlapping the 2006 Z4. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.

107
Complaints
1
Crashes
3
Fires
1
Injuries
1
Deaths

Total Complaints

107 filings

Crashes Reported

1 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
STEERING55
AIR BAGS13
ELECTRICAL SYSTEM13
ENGINE5
EXTERIOR LIGHTING4
SEATS3
ENGINE AND ENGINE COOLING3
VEHICLE SPEED CONTROL2
UNKNOWN OR OTHER2
TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS1
POWER TRAIN:AUTOMATIC TRANSMISSION1
AIR BAGS:SIDE/WINDOW1
ENGINE AND ENGINE COOLING:ENGINE1
VISIBILITY/WIPER1
FUEL/PROPULSION SYSTEM1

Recalls (2)

19V27300004/04/2019

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

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.

22V11900002/03/2022

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

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);

Recent Complaints

20240320STEERING

The electronic steering has failed several times while driving. This makes it very difficult to maintain a lane and avoid other vehicles. This problem continues intermittently. Thousands of Z4 owners have reported the same issue in online forums.

20231020STEERING

In hot weather, the steering binds, making keeping the car in the correct lane extremely difficult. The car will dart from one side to the other. The car will be nearly impossible to keep in the correct lane.

20230903EXTERIOR LIGHTING

I have just found out that my 2006 BMW Z4 Convertible has serious wiring issues. The wires for example on my front headlights the insulation is falling off the and leaving bare wires. I am very concerned this could be a fire safety issue that could result in bare electrical wires shorting together and starting a car fire. My research shows that many people who have 2006 BMW Z4 Convertibles are having this same issue. This seems to be a real issue with BMW using cheap wiring harnesses material and over time due heat and cooling is cause the insulation to fail and resulting in this issue.

20230903ELECTRICAL SYSTEM

I have just found out that my 2006 BMW Z4 Convertible has serious wiring issues. The wires for example on my front headlights the insulation is falling off the and leaving bare wires. I am very concerned this could be a fire safety issue that could result in bare electrical wires shorting together and starting a car fire. My research shows that many people who have 2006 BMW Z4 Convertibles are having this same issue. This seems to be a real issue with BMW using cheap wiring harnesses material and over time due heat and cooling is cause the insulation to fail and resulting in this issue.

20230411STEERING

When the car gets hot (parked in the sun) the steering becomes knotchy or sticky and the car becomes difficult to control. No problems whatsoever when the car is cool or on a cooler day. This problem has been witnessed by a BMW technician and there are no warning lights. This appears to be a fairly common issues with these cars.

20220916ENGINE AND ENGINE COOLING

The contact owns a 2006 BMW Z4. The contact received notification of NHTSA Campaign Number: 22V119000 (Engine and Engine Cooling) 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 contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to an independent mechanic who diagnosed that the PCV valve heater needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 50,000. VIN tool confirms parts not available.

Mileage: 50,000

20220823ENGINE AND ENGINE COOLING

The contact owns a 2006 BMW Z4. The contact received a notification for NHTSA Campaign Number: 22V119000 (Engine and Engine Cooling) however, the part to do the recall repair was unavailable. The dealer was made aware of the issue and confirmed that parts were not yet available. The manufacturer had been notified of the issue. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact had not experienced a failure. VIN tool confirms parts not available.

20220615ENGINE

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.

Mileage: 120,000

20220517ENGINE AND ENGINE COOLING

The contact owns a 2006 BMW Z4. The contact stated that while at a complete stop at the traffic light, the vehicle overheated and stalled. The coolant temperature warning light illuminated. The contact waited for the vehicle to cool down and then restarted the vehicle and continued driving. The contact stated that the failure reoccurred several times. The vehicle was towed to the dealer several times. The dealer completed the engine lifters replacement and other unknown repairs however, the failure persisted. The contact stated while stopped at the traffic light, the vehicle began to overheat significantly and stalled. There was no warning light illuminated. The contact noticed smoke coming from underneath the hood of the vehicle. The contact immediately exited the vehicle. The contact later pushed the vehicle to the side of the road with assistance. The vehicle was towed to an independent mechanic where it was diagnosed that the engine needed to be replaced. The contact later received

Mileage: 52,000

20211113STEERING

The Steering wheel gets Hard, looks like power steering gets disabled automatically while driving, making it almost impossible to steer. This has started to happen after hot weather had started few months back. I have tried to reproduce this issue several times, but it happens randomly and Not all the time. I don't drive the car much. But this is definitely a serious issue, I checked the BMW community and a lot of people are facing this issue. Not Sure how many have filed a complaint here. But this definitely should be addressed by BMW as this is not just one person facing this issue, there are hundreds and thousands of them. Level of severity is high, as someone who might have not faced this issue yet might suddenly face it on the highway could result in an extremely fatal accident. Havent reported to BMW yet, But found this issue is being faced by alot of people I thought to file my complaint here. I will soon get it repaired or replaced. There were no Warning lamps or messages prior

20210812STEERING

When the outside temperatures are warmer (mid 80's and above) the steering wheel will stick in the center position and require it to be jerked a bit to keep control. This occurs at all speeds, but does not seem to be the case when stopped. since it requires the steering wheel to be jerked to correct, it can cause the car to swerve. I have had the car for several years began noticing the issue once the weather got warmer. The date entered below is today's date, but I have had the issue for perhaps 5 years.

20210628STEERING

During warm weather the steering will momentary stick while driving which requires additional force to overcome. This happens at all speeds but is more noticeable at highway speeds while trying to maintain vehicle in driving lane. There are numerous complaints of this on the NHTSA site. I have written to BMW North America about this safety problem and mentioned the multitude of similar complaints but they refuse to address the problem and suggest I purchase a new steering column at $2500+!

20200729STRUCTURE:BODY

THE CONVERTIBLE TOP ON THE 2006 Z4 BMW HAS A MECHANISM THAT RAISES AND LOWERS THAT FAILS. IT'S LOCATION IS SUCH THAT IT IS EXPOSED TO THE ELEMENTS. WHEN I BOUGHT MY CAR (USED)I WENT TO A BMW MECHANIC THAT TOLD ME THAT IF I DID HAVE HIM FIX IT IT WOULD HAPPEN AGAIN. TALKING TO OTHER BMW MECHANICS I GOT THE SAME INFO.

Mileage: 60,000

20200629STEERING

VEHICLE STEERING BECOMES "STICKY" AFTER VEHICLE HAS BEEN EXPOSED TO WARM TEMPERATURES. THIS CAUSES THE STEERING TO CENTER AND REQUIRE GREATER THAN USUAL FORCE TO OFF CENTER THE WHEEL, CAUSING THE CAR TO BE DIFFICULT TO CONTROL ESPECIALLY AT HIGHWAY SPEEDS.

Mileage: 46,000

20200212ELECTRICAL SYSTEM

WENT TO CHANGE MY HEADLIGHT BULB AND NOTICES ALL OF THE WIRES WERE BARE. THE SHEATHING AROUND THE WIRES HAVE ALL CORRODED. THIS IS FOR THE COMPLETE HEADLIGHT ASSEMBLY. EVERY SINGLE WIRE HAS CORRODED. SEEMS LIKE A FIRE HAZARD.

Mileage: 104,000

20200117AIR BAGS

ABOUT 9 YEARS (2015) AFTER PURCHASING VEHICLE THE AIRBAG WARNING LIGHT BEGAN ILLUMINATING CONSTANTLY. THE VEHICLE WAS PURCHASED NEW AND HAD APPROXIMATELY 55K MILES WHEN ISSUE BEGAN. VEHICLE HAS NEVER BEEN IN A MINOR OR MAJOR ACCIDENT. VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, BUT DIAGNOSIS COULD NOT BE DETERMINED. CONTACTED BMW ABOUT ISSUE, BUT WAS TOLD MY VEHICLE WAS NOT COVERED UNDER ANY OF THE AIRBAG RECALLS THEY'VE INITIATED. NO ACTION WAS TAKEN BY ME TO DETERMINE ROOT CAUSE AND CONTINUED TO UTILIZE VEHICLE WITH AIR BAG LIGHT ALWAYS ILLUMINATED. IN FEBRUARY 2018, RECEIVED A LETTER FROM BMW REGARDING WARRANTY EXTENSION TO 15 YEARS FOR FRONT PASSENGER SEAT OCCUPANCY MAT (OC3) FOR AIR BAG SYSTEM. BELIEVING AIRBAG ISSUE WAS DUE TO OC3 MAT, BROUGHT MY VEHICLE TO LOCAL BMW DEALER TO GET REPAIR. BMW DIAGNOSED THE ISSUE AS A "RESTRAINT PASS LOWER BELT UNIT FAULTING" AND NOT OC3 MAT. HAD REPAIR PERFORMED SUCCESSFULLY.

20191009ELECTRICAL SYSTEM

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 INTERMITTENTLY.

Mileage: 95,000

20191009EXTERIOR LIGHTING

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 INTERMITTENTLY.

Mileage: 95,000

20190827STEERING

VERY STICKY STEERING, DANGEROUS IN HOT WEATHER, THIS HAPPENS AT ALL SPEEDS. IT SOMETIMES REQUIRES SIGNIFICANT EFFORT TO CORRECT IT. THIS IS A SERIOUS SAFETY ISSUE.

Mileage: 103,000

20190708ELECTRICAL SYSTEM

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...

Mileage: 15

Compare 2006BMWZ4 to Similar Vehicles

NHTSA Investigations

View all investigations

Frequently Asked Questions

How many complaints does the 2006 BMW Z4 have?
The 2006 BMW Z4 has 107 NHTSA complaints, 1 crashes, 3 fires, 1 injuries, and 1 deaths reported.
Are there any recalls for the 2006 BMW Z4?
Yes, the 2006 BMW Z4 has 2 recall(s). The most common affected component is ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). Recalls are issued by NHTSA and manufacturers must provide a free remedy.
What are the most common problems with the 2006 BMW Z4?
The most-complained component for the 2006 BMW Z4 is STEERING with 55 complaints. Other frequently reported areas include AIR BAGS and ELECTRICAL SYSTEM.
Is the 2006 BMW Z4 safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.