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E46 Convertible
The E46 vert forum. Talk about dropping your E46 top here.

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Old 02-16-2013, 04:56 PM   #21
DTB
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Join Date: Jan 2011
Location: San Jose
Posts: 11
My Ride: 325CiC 2005
I replaced the roll over module today and the light on the cluster went out! Here's a couple of pointers for any other DIY'ers... The module is behind the right side rear seat. You need a 10 mm wrench to remove two bolts that hold the seat back in place. And you need a 13mm wrench to remove 4 hex bolts that secure the aluminum cover plate in the back of the seat. The roll over module hides behind that cover plate. And the module is secured by 3 special torx screws with a pin in the center of the torx hex socket. The tamper resistent torx screws require a special tool. I happened to have a folding assortment of those torx-with-a-pin wrenches, but it was barely long enough to reach. The screw in the bottom location is the hardest to see and get out. I recommend getting a longer reach specialty torx wrench for this job. The screws are tight due to loctite installed at the BMW factory. So it takes effort to unscrew them.

Of course you'll want the top down, and ensure the key is OFF, or the roll bars may deploy when you tild the module to remove it. I used blue loctite to reassemble.

After everything was back in place, I turned the key, started the car, and the dash light was off.

Some say I now need to get a code reader to reset the faults and register the new module. I may ask an indy to do that later. But Steven's Creek BMW wants $300 to do that...

Hope this helps...

Last edited by DTB; 02-16-2013 at 04:58 PM.
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