2005 BMW 3 Series - Answered Questions & Fixed issues

Make sure your electrical connections are clean and tight. Also look for corrosion inside of the battery cables.

indicates a problem ground wire , loose battery terminal or problem position sensors run the fault codes to determine problem area

That's a BMW question

plug into diagnostic

nest to air filter box

next to air filter

behind the inlet manifold

Take car to BMW dealership or to an authorized BMW service garage and they can reset it.

On the instrument cluster in the center there are two buttons (clock and s/r) .Press and hold the s/r (i think thats whats on the button) and turn the key to the first position. at first it will say TEST in the cluster. keep holding the s/r button and it will flash to your SIA (service meter) release the button and press and hold until it says reset (or reset flashes) and then press again. just play with it im going off of memory. just dont be afraid. as usual im sure your local bmw dealership would be glad to help

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.

Have you tried to manually reset this.Start vehiclePress and hold the odometer button in (button in speedo) intil service into lights upToggle through using switch on indicator stalkpress button on item to resetand the again to confirm