STAGE 1 PERFORMANCE UPGRADE TO SUIT BMW 7 SERIES 745LI N62B44 4.4L V8This Mace ETC and K&N's air filter have been put together to meet the performance upgrade requirements of BMW 7 series V8 engines. Mace ETC eliminates the delay that exists between the throttle pedal and the butterfly in the throttle body, re establishing throttle response and bottom end acceleration while improving low torque. There are different performance modes in this ETC that helps you to increase throttle response and improve overall
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STAGE 1 PERFORMANCE UPGRADE TO SUIT BMW 7 SERIES 745LI N62B44 4.4L V8