20 Most Recent 2005 BMW 3 Series - Page 2 Questions & Answers

It's supposed to, it's a parking light, it saves power at night as you can select either left or right lights to stay on when parked.

have the OBD codes read as may just nead resetting

Yes you can Best to look in the professional auto trade magazines such as Motor,Motor Age,Tools & Equipment for info on that Check the web site for Launch Cresetter & Can Do Reset + Watch the videos on similar tools

Could be You should stop using Any vehicle, with Any Dash light on,at least until you retrieve the codes & know the system with a possible fault.

Can you explain the problem with more detail please? Are you having key entry problems?

dealer only for this year

It may be worth checking the throttle pot for consistancy in its resistance reading from idle to full throttle. Ive had one of these fail with a dead spot just off idle. This caused the ecu to loose coms for a short while and stalled the car. Also the idle stab gets confused when this happens. This was on a 320 though but might be worth a look. Do the test with the plug disconnected and the engine & ignition off.

check compression