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150MHz engine management microprocessor
Manley H-Beam Connecting Rods for BMW B46 Engines – Available at 5150 AutoSport
ARP Custom Age 625+ Head Stud Kit
000 1
Stroke: 87
BMW E46 M3 S54 Long Tube Header System G90 150MHz engine management microprocessorBMW E46 M3 S54 Long Tube Header System Stainless Steel Performance Upgrade Maximize the power and sound of your BMW E46 M3 with a high performance long tube header system designed for the 3. 2L S54 engine. This system enhances exhaust flow, improving horsepower, torque, and throttle response. Built with precision engineered 1 3 4" primary tubes, it is a direct bolt on to your existing axle back exhaust for a seamless installation. Product Features:
