N54 BOV Line Upgrade For BMW 1M, 135i, 335i, E89 Z4, E60 535i 991 consider our standard Stage 2

consider our standard Stage 2

ARM Motorsports developed a robust aluminum charge pipe engineered to handle high boost levels and the demands of aggressive tuning

DW Fuel Injectors

The ARM F25/F26 X3/X4 FMIC is the perfect cooling solution for any stock turbo or upgraded turbo N20/N55 setup

Power gains of up to 100hp and 120wtq to the wheels on a stock truck without the risks of flashing

N54 BOV Line Upgrade For BMW 1M, 135i, 335i, E89 Z4, E60 535i 991 consider our standard Stage 2The ARM N54 BOV Line Upgrade will help your BOV open and close completely and quickly. The ARM N54 BOV Line Upgrade allows you to replace the standard 1 8" line with a 1 4" line, doubling the size to allow ample pressure. Upgrading the diameter of the vacuum line running to the BOV ensures proper BOV function. With a smaller 1 8" line you can experience surging or over boosting if the BOV is not activating properly. HIGHLIGHTS Allows for 1 4" Vacuum