Platinum Racing Products - BMW N54 Coil KitBLACK, SILVER, GOLD, PURPLE NORMALLY STOCKED OTHER COLORS EXPECT 3 4 WEEKS LEAD TIME BMW N54 R35 COP PLUG IN KIT This ignition kit is specifically aimed at increasing ignition spark with the use of smart coils all while decreasing the load put on the N54s factory engines computer (DME) which is prone to internal transistor failure. This coil kit incorporates our off the shelf big hitting Hitachi Hanshin (now Hitachi Astemo) R35 GTR Smart Ignition