2003 BMW 330I electrical system problems

10 owner complaints filed with NHTSA name the electrical system on the 2003 BMW 330I — 13% of all complaints for this model year.

Electrical System complaints

13%

share of all complaints

—

median reported incident mileage

0 / 0

crash / fire reports

What owners report

“All passenger doors except driver door cannot be unlocked or opened using any method--the key or any unlock button, or using either inside or outside door handles. This leaves only the front driver door openable. This is a huge safety risk. I can't drive the car this way--I would not be able to get…”
filed Jan 3, 2018
“Please note that this incident happened prior to the date and mileage noted above as the previous owner had to also deal with this problem. I report the dates as when I received the car when it came into my ownership only. Driver's door lock failed to electronically and mechanically unlocked from…”
filed Feb 18, 2013

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

Customer is unable to power up or charge accessories through a plug adapter inserted in the front 12-volt power socket plug. Alternatively, it will only operate when constant downward hand pressure is maintained.
B610120 · Service Bulletin/Repair Instructions · issued Sep 1, 2022
Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column. Note: Opening, closing and starting via the BMW…
SIB662419 · Service Bulletin/Repair Instructions · issued Jun 1, 2022