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roygough View Drop Down
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Joined: 01-March-2011
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Post Options Post Options   Thanks (0) Thanks(0)   Quote roygough Quote  Post ReplyReply Direct Link To This Post Topic: e39 heater
    Posted: 01-March-2011 at 21:00

I picked up my '01 525i recently and it had an overnight battery drain problem too.

My local auto electrictian said 'hedgehog', very common it seems. He replaced it for about £90 fitted. No problems since

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Dergside View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dergside Quote  Post ReplyReply Direct Link To This Post Posted: 04-January-2011 at 22:46
I don't have the Bentley manual to hand so can't give you the relay number but if you have a problem that you think may be related to the heater, then look at the hedgehog resistor (FSR) as the first thing to eliminate as a problem.  I can't think of too many heater related issues on the e39 that were reported here that didn't involve the FSR.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bodyguarduk Quote  Post ReplyReply Direct Link To This Post Posted: 03-January-2011 at 22:54

can anyone tell me which is the relay for the heater.My battery has a drain problem over night and i think it is the heater causing this

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