2004 BMW Z4 electrical system problems

14 owner complaints filed with NHTSA name the electrical system on the 2004 BMW Z4 — 3% of all complaints for this model year.

Electrical System complaints

share of all complaints

56,000 mi

median reported incident mileage

0 / 1

crash / fire reports

What owners report

“Reoccuring issue: -door locks not functioning by remote or central button -wipers not functioning -trunk release not functioning by remote or button -windows not functioning -lighting of interior not working, to include gauge cluster -top not functioning issues intensify on days of low/higher…”
filed Jul 24, 2020
“I had this car built and I am the only owner and driver. I have had a personal mechanic take meticulous care of it over the years and the car is stored for approximately 6 months/year because I do not drive it in the snow, and frankly, hardly drive it even when raining. However, it never fails that…”
filed May 7, 2020

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information…
B611305 · Service Bulletin/Repair Instructions · issued Jan 11, 2024
Power Reduction FC2A82 Intake VANOS and/or FC2 A87 Exhaust VANOS Camshaft Fault: The "Service Engine Soon" (MIL) lamp is illuminated and engine power reduction is perceived. This situation can occur after driving for…
B110208 · Service Bulletin/Repair Instructions · issued Apr 1, 2020
"Outside Door Mirror Moves when Locking or Unlocking the Vehicle. The door mirror tilts immediately after unlocking or locking. The mirror position does not correspond to the memory position preset by the customer…
513608 · Service Bulletin/Repair Instructions · issued Jul 10, 2019