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BMW swirl flaps - do I get them taken out?

I am a very satisfied owner of the much maligned BMW X3. The car is a 3.0d manual.

My question is: I have heard talk of swirl flaps failing and dropping into the engine causing untold damage.

Does this happen often and what can be done to avoid such problems?

Asked on 9 May 2012 by nickrb

Answered by Honest John
Yes. Have them removed. Makes the engine less efficient but less likely to self destruct.
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