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      12-29-2022, 04:45 PM   #10
drwillb
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Drives: e30 M3, e30 M3, e46 M3
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Location: northern NJ

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Quote:
Originally Posted by Houranimd49 View Post
I know this is an old thread, but I’m having the same issue.

I found that the CA module was drowning in water so I replaced it. Then I found the fuse for CA was blown (#61 behind glovebox), so I replaced it. Now the door handles work, but starting the car and trunk does not. No other fuses are blown so I’m stuck on what else to do.

I just replaced my CAS last week.

Some suggestions:
1. drill some holes in the bottom of the slot for the CAS in the foam piece holder. This will allow any future water to drain.
2. I used Flex Seal tape to seal off the bottom of the CAS unit in case the bottom of it sees water again.
3. replace the tailight foam gasket. this is what allows the water in.
4. disconnect the battery for a few minutes. this may reset everything and get the CAS fully operational. I also used ISTA to reset/sync the CAS system.

good luck
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2012 135i Mods: air scoops, CP, K&N filter, PS1, ADE FMIC, BMW PE, JB4, 1M front body, full M3 suspension front and rear, M3 brakes front and rear, M3 rear subframe and LSD
Owned so far: 88 M3 x 2, 95 325is, 95 M3 x 2, 06 Mini Cooper S, 08 335 xi, 09 Z4 35i, 01 M3, 12 135i
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