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Old 11-08-2009, 02:36 PM
ard ard is offline
Resident Curmudgeon
Location: Sierra foothills, California USA
Join Date: Jul 2009
Posts: 14,940
Mein Auto: '12 X5 35d/E39M5/996TTX50
Huh, I found it there, and based on where they show it and how it works, I think I could find them. There is a switch, relay and pump control module...

I'd look behind the rear quarter panels or under the rear floor... I suspect the module would be near that rear relay carrier.

Is this a curiosity, or has yours failed? Have you nailed down exactly what is bad, or is this a generic EHC failure code?
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