ESS TS2+ 8.5PSI Boost Upgrade Kit
Upgrade kit consists of:
-Custom CNC Lysholm SC pulley for higher SC RPM and higher boost pressure.
-6PK ContiTech drive belt matched to the new pulley configuration.
-Dyno tweaked ESS MS43/45 ECU software matched to 8.5PSI boost and ESS FI cams.
Category: 330i
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