hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
60,000 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2006 BMW Z4 transmission problems

transmission problem

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2006 BMW Z4 Owner Comments

problem #1

Jun 012010

Z4 6-cyl

  • Automatic transmission
  • 60,000 miles


This report concerns a safety issue with a 2006 BMW Z4 with a 3.0 engine and automatic transmission. The vehicle has an intermittent problem that began earlier this year. The vehicle will begin accelerating without depressing the accelerator and will sometimes maintain a constant speed when the foot is taken off the accelerator. It will accelerate well past 100mph without stopping. The three ways that stop the sudden acceleration is to 1. apply the brakes, 2. put the gear selector into neutral, or 3. tap the ┐off┐ position on the cruise control lever. Cruise control has never been utilized when the vehicle has experienced this unintended acceleration. There are no floor mats in the vehicle that could impede the functioning of the accelerator. This vehicle has been taken to the dealer for service on multiple occasions. A tech working on the vehicle stated that he believed it was a cruise control sensor, but the shop foreman determined there was nothing wrong. BMW of North America inspected the car and have stated that ┐they will stand by their product and that no defect exists.┐ I have provided video documentation of this issue to BMW.

- Kingwood, TX, USA

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