2008 BMW 335I electrical system problems

35 owner complaints filed with NHTSA name the electrical system on the 2008 BMW 335I — 17% of all complaints for this model year.

Electrical System complaints

17%

share of all complaints

79,872 mi

median reported incident mileage

0 / 5

crash / fire reports

What owners report

“"I am reporting a failed safety remedy by BMW of Macon regarding Recall 13V-044 (Battery Cable Connector). Following the recall service, the vehicle suffered a systemic digital failure and a legal odometer discrepancy of approximately 20,000 miles 73,547 to around 53,000k (The 53k miles was seen on…”
filed Apr 26, 2026
“The engine and all electrical components including power steering spontaneously cutout while driving, usually while engine isnt being stressed at all, sometimes while idling. If the car is rolling, i have to restart the engine while driving and using manual power to steer. Obviously, this is a huge…”
filed Apr 11, 2022

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

The basic conditions for initializing the power windows are not met.
B510819 · Service Bulletin/Repair Instructions · issued Jan 16, 2024
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
The footwell module (FRM) cannot be encoded after replacement.
B610322 · Service Bulletin/Repair Instructions · issued Mar 1, 2022
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