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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 05-23-2017, 10:01 AM   #1
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Join Date: May 2005
Location: Connecticut
Posts: 131
My Ride: 2004 330CIC ZHP
PDC Question

I replaced all of my sensors and still have the annoying 5 second beep when I shift into reverse. So I bought a used control unit for the PDC system and I want to replace the old one. The problem is I have no idea where the main control unit is located.

I have a 2004 330 Convertible not sure if they put it in different locations by model?

Thanks for the help
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Old 05-27-2017, 05:31 PM   #2
Registered User
Join Date: May 2005
Location: Connecticut
Posts: 131
My Ride: 2004 330CIC ZHP
Just a follow up to my question. I was able to locate the PDC control unit.

In the convertibles it may be different than other models.

The control box is located on the passenger side behind the rear seat side panel.

I had to remove the rear seat and then the entire side panel to get at it.

There are plenty of DIY's for the panel removal.

The bracket holding there is held in place by 3 nuts all 8mm I think.

Really easy stuff once I figured out where it was.
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