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E60 (2004 - 2010)
BMW 5-Series (E60 chassis) was first seen in the Unites States in the fall of 2003 with a 2004 Model Year designation. The E60 is now available as a 528i, 528xi, 535i, 535xi, 550i and a 535xi sports wagon! -- View the E60 Wiki

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  #1  
Old 08-17-2014, 02:11 PM
ddhester ddhester is offline
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Location: Jacksonville, Florida
 
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Mein Auto: 2007 BMW 550i
RDC module rain in trunk

My trunk button got hit by mistake and it was raining like cats and dogs. Suddenly the next day my tire pressure symbol came on and the electrical things started flashing on and off. Needless to say after googling I was directed to my trunk and Bam!!! Trunk full of water. The rdc module had water in it. I dried it with q-tips and a hair dryer and it didn't work so I called the BMW dealer and they told me it was $1300 for the part and $300 for coding. Yikes!!!!! So I call our other BMW dealer and they told me to unhook the rdc unit and pour rice inside to absorb the water and if that didn't work I was screwed and they charge $2000 for the whole job. Can anyone help me with where can I get this cheaper and how can I get this coded without the dealer owning me.

2007 550i jet blk
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Old 08-17-2014, 02:30 PM
banglenot banglenot is offline
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Mein Auto: 2007 530
$1300 for the part, eh?

The RDC control unit is used across the E60 line. Here's it for the 550: http://realoem.com/bmw/showparts.do?...=36&fg=15&hl=1

If you search the PN, here's an example of a source: ECS Tuning. See http://www.ecstuning.com/ES254885/

They want $221 for that "$1300" part. New, OEM. Feel the sand in the vaseline?

Now, it's never clear whether or not a fried RDC takes out other more expensive electronic parts. Call them and ask if they mean the estimated price is to replace just the RDC, or are there other items that will need to be replaced as well. Find out what they are, if you can. And yes it may need to be coded. Mine is relocated, so I haven't had a failure and have no experience with replacing after flooding.

ANYONE else managed to solve a drowned RDC by just replacing the controller? Is coding needed, or is it alrady programmed?
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Last edited by banglenot; 08-17-2014 at 02:31 PM.
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  #3  
Old 08-17-2014, 11:28 PM
ddhester ddhester is offline
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Mein Auto: 2007 BMW 550i
Thanks. I'll check the sites you gave me and yes it was 1300 for the part only. My pdc unit wasn't affected. Where did you relocate it to. There are 3 units in under my spare. Pdc, rdc and some unit that looks like a fat credit card
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