2008 BMW 335XI electrical system problems
17 owner complaints filed with NHTSA name the electrical system on the 2008 BMW 335XI — 27% of all complaints for this model year.
What owners report
“The ibs sensor on the negative battery cable failed on me causing the car to die and not start back up. It also caused my new battery to die within a year due to charging information it was sending to the car. And I keep getting codes such as battery exhausted and signal issues from the battery”
filed Sep 16, 2026
“The contact owns a 2008 BMW 335xi. The contact stated after parking the vehicle at a parking lot, he noticed smoke exiting the center dashboard. The contact detached the plastic kickboard and saw the fire located in the wires. A bystander had a fire extinguisher available and was able to extinguish…”
filed Jul 18, 2023
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Wiring and electrical connectors for the system that controls air flow for the heating…Campaign 17V676000 · Oct 25, 2017
Related service bulletins
The basic conditions for initializing the power windows are not met.
B510819 · Service Bulletin/Repair Instructions · issued Jan 16, 2024The 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, 2024The footwell module (FRM) cannot be encoded after replacement.
B610322 · Service Bulletin/Repair Instructions · issued Mar 1, 2022Discharged Battery Energy Diagnosis Must Be Performed: 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…
B611305 · Service Bulletin/Repair Instructions · issued Oct 1, 2020Power 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
Electrical System problems in other 335XI years
| Year | Reports | Share |
|---|---|---|
| 2011 335XI | 2 | 9% |
| 2007 335XI | 8 | 40% |
Other reported problem areas on the 2008 BMW 335XI
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.