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Old 12-25-2012, 06:13 AM
Blacklane Blacklane is offline
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Location: Springfield, Ohio, USA
 
Join Date: Jun 2011
Posts: 873
Mein Auto: 1998 Z3 Roadster
You should also look over the Beisan overview page to see if it sounds like your symptoms. http://www.beisansystems.com/

My experience is with the single-VANOS engine while yours is a double-VANOS one, which is actually easier to fix. What I noticed after the fix was an amazing increase in torque at low RPMs, not necessarily more power or speed. It just felt like it wanted to dig-in and go on take-offs.
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