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'Max' blower switch fails to work

Discuss the problems with your X5 (E53).
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ssx5
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Joined: Mon Oct 08, 2012 1:56 pm

'Max' blower switch fails to work

Post by ssx5 » Mon Jan 05, 2015 4:10 pm

Tried to clear the screen on a cold morning by switching on the 'max' button, but nothing happens - no lights on the button. However, I can still get everything working by manually turning the fan up and lowering the temp settings. Just puzzled since the since 'max' switch has always worked previously.

chrisn7
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Joined: Fri Sep 05, 2014 9:31 pm

Re: 'Max' blower switch fails to work

Post by chrisn7 » Sun Jan 11, 2015 5:27 pm

Welcome! I see your first post has not had a reply yet...

The Max button has two functions:

With engine on use in hot weather to cool the car fast: temp switches to 16C, maximum blower speed selected, both automatically. Outside air temp has to be above 5C, otherwise function doesn't work.

With engine off in cooler weather: use to stay warm for 10-15 mins. Outside air temp has to be below 15C..

To clear the screen, use the windscreen button, top right

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