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Old 01-28-2010, 07:24 AM
szee1 szee1 is offline
Officially Welcomed to the 'Fest
Location: Las Vegas
 
Join Date: Aug 2009
Posts: 144
Mein Auto: 2 2004 X3's
On occasion I have similar symptoms usually between 2800 and 3000 rpm. If I increase the rpm to 4000 rpm by down shifting, the surging disappears. I suspect the vanos and will look at repairing it once the weather improves.
see link.
http://www.beisansystems.com/
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