Bimmerfest - BMW Forums - View Single Post - Turbo lag and wastegate software "fix"
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Old 09-10-2012, 08:52 PM
JasonSC540ia JasonSC540ia is offline
Officially Welcomed to the 'Fest
Location: Alamogetto NM
Join Date: Aug 2009
Posts: 679
Mein Auto: 1999 740i
Bypass the factory boost control solenoid. Spend some $ and get an HKS EVC smart boost controller. This will get rid of your lag. You can find older ones EVC 3 or 4 on ebay for a few hundred.
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