So I just picked up a 2003 x5 3.0 in blue topaz for my niece. I’m an e39 guy. So I know the 3.0. Had a bunch of issues so I got it for cheap. Slowly sorting through them. Like I did the driver door handle inside and out. Also the key cylinder. Couldn’t open the drivers door from inside or out. It also had a bunch of misfires. New ngk plugs and Bosch coils took care of that. Car was only firing on 3 cylinders and felt like crap. Now runs like a champ. Also had wet carpet front compartments. More so the passenger side. Cleaned the sunroof drain lines. And found a crimp in the passenger side drain line. Repaired that. No more leaks. But I’m afraid the LCM may have gotten wet. The rear taillights and headlights are not working. Fog lights work signals work. But green indicator and tick on dash not working. When the light switch is on position. Dash lights flicker like a Christmas tree. And the pass rear window rolls down by itself. I was able to put it up yesterday. But after removing the lcm today it rolled down and will not roll back up. Need advice as I’m ok with the mechanical stuff. But electronics get me stumped.
2002 525i
Well I got the brake lights figured out. Turns out the lcm is ok. It was the rear driver side light assembly itself. Had a short in the “logic board”. Completely rusted out at the bottom. But I still haven’t figured out why my green arrow indicators are not working. And why my rear driver side window rolled itself down and won’t roll back up
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