Dinan® Performance Engine Software/Boost Upgrade for BMW E60 535i E89 Z4 (N54) Stage 1

Benefits of the Stage 1 Dinan Performance Software Upgrade:

+ Max gain of 44 HP and 58 lb-ft of torque over stock
+ Top Speed Governor Removed
+ Factory Matching Warranty (4year/50,000 mi)
+ Full Map Rescaling
+ Properly Returned Fuel Mixtures
+ Remapped Water Pump Speeds to Control Engine Temperature

Category: Z4