BMW N55 Replacement Coil Power Harness - M135i, M235i, M2, 135i, 335i, 435i, 535i, 640i, 740i, X1, X3, X4, X5, X6 X6 (F16) The JB4 is a plug

The JB4 is a plug and play tune available for turbocharged vehicles

F36) Models: 430i/430iX

NOT JUST BIGGER

in fact it's quite hot

racing fuel map

BMW N55 Replacement Coil Power Harness - M135i, M235i, M2, 135i, 335i, 435i, 535i, 640i, 740i, X1, X3, X4, X5, X6 X6 (F16) The JB4 is a plugThe Precision Raceworks BMW N55 REPLACEMENT COIL POWER WIRES are the same wires that come with our famous BMW N55 HIGH PERFORMANCE IGNITION KIT featuring low resistance oxygen free copper. These wires are 100% custom design from the ground up and Precision Raceworks is the only company in the world to produce injection molded coil connectors specific for harness use. Coil power wires are sold in packs of 6 so you get all new power wires for each