Upgrade your BMW 140i, 240i, 340i, 440i, Toyota Supra Mk5, M3 G80, M4 G8x, or X3M with Dinan's High-Performance Ignition Coil Packs. Designed specifically for B58 and S58 engines, this set includes 6 coil packs, offering a seamless replacement for standard OEM coils. Boost your ignition system's per..