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      11-09-2012, 04:19 AM   #8
Three_thirty_I
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Drives: '05 E90 330i Manual
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Location: Cape Town, South Africa

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Quote:
Originally Posted by leebermeister View Post
Thanks, but you do realise that the N52 DISA flaps are quite different to the M54 DISA flaps - same principle, but the N52 DISA 'motors' are actuated by means of a motor and gearing which is controlled by the DME, whereas the M54 DISA flap is operated and controlled by a vacuum pipe. So as such, testing the N52 DISA is not as easy, or so I have read.

The annoying part is that you search N52 DISA flaps and most of the time get taken to M54 DISA flap issues - definitely seems that the newer DISA flap system is in general less troublesome, but it does seem that I am sitting with a slightly unusual problem that has probably not really been documented properly or at all.
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