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E90/E91/E92/E93 (2006 - 2013)
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  #1  
Old 06-03-2014, 02:06 PM
obxbmw obxbmw is offline
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Location: Outer Banks, NC
 
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Mein Auto: 2009 328xi
E90 Locks Not Working

So I bought a wrecked 2009 328xi and when I first got it, the doors locked fine. However, now that we have replaced the entire drivers side, the doors wont lock from the fob or from in the car. The trunk will open and the lights will flash but it blows the fuse every time you try to lock/unlock it. Also, the used door that we got for this had a comfort access handle on it. Since the car doesn't have the CA system could that be blowing the fuse? Or is it one of my door lock actuators? Any suggestions you have would really be appreciated.
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  #2  
Old 06-03-2014, 02:29 PM
fdriller9 fdriller9 is offline
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Mein Auto: '06 AW 330xi
You can replace the 15 amp fuse with a 20 amp.

I wouldn't go any higher because the wiring may not be a thick enough gauge.

If it continues to happen I would take out the lock actuator and dissemble it, clean it up, remove any rust if present, re-lube with a good grease (NO OIL, NO WD-40, NO SILICONE BASED LUBES, IT MUST BE GREASE). Then re install.

IF the door was sitting for a while, it wouldn't surprise me if the actuator is seized up and drawing excess current, blowing the fuse.
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  #3  
Old 06-03-2014, 03:35 PM
Justin323 Justin323 is online now
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Mein Auto: 2007 335i
Its most likely your door actuator. If it were a blown fuse then all your locks wouldn't work

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Old 06-03-2014, 03:38 PM
obxbmw obxbmw is offline
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Location: Outer Banks, NC
 
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Mein Auto: 2009 328xi
Right. None of them will work but when I click the lock button from the inside of the car, I can hear it move through the fuse box once, then it blows.
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Old 06-03-2014, 04:36 PM
Justin323 Justin323 is online now
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Location: Southern California
 
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Mein Auto: 2007 335i
I've never dealt with CA and replacing the actual door. My best bet is the CA is drawing more power. Look into the fuses for a CA door and work from there

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Old 06-04-2014, 07:20 AM
fdriller9 fdriller9 is offline
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Mein Auto: '06 AW 330xi
I don't think the CA doors draw more power.

CA is controlled via a separate module, which then tells the CAS module to unlock the doors.

I don't see why CA regulators would be different and/or draw more power than the non-CA regulators. They both do the exact same thing and are still controlled by the same module....with the exception of how the module is triggered (either via the fob or by picking up the signal from the CA fob/door handle).
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