Volkswagen (VW) BMS JB1 to JB4 Upgrade Kit Type:LHD REV1 Group 4 (*** B ***) 2006-2010 E92 Coupe 335i/335ix
$155.95
Description
2006-2010 E92 Coupe 335i/335ix
This upgrade is designed to optimize engine performance
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Volkswagen (VW) BMS JB1 to JB4 Upgrade Kit Type:LHD REV1 Group 4 (*** B ***) 2006-2010 E92 Coupe 335i/335ixUpgrades your existing BMS Stage1 to an EA888 JB4 system. The JB4 features CANbus connectivity for more advanced tuning, direct AFR control, advanced safety systems for boost, air fuel ratio, fuel trims, engine knock, boost mapping by gear for improved traction, integrated water meth control, and much more. The upgrade kit cost is $175 outright. There is no longer a core exchange program available. After the upgrade, you can keep your old Stage1 board
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