Mishimoto 11-15 BMW 550i 4.4L Ignition Coil turn14-atp 140416BC and 140417) to Crew

140416BC and 140417) to Crew Cab with Standard Bed (6' 7") 156

Automotive Silicone Couplers

The under tray uses existing mounting points and bolts

the parts that carry boost from the turbocharger to the engine may not be so strong

Mishimoto 11-15 BMW 550i 4.4L Ignition Coil turn14-atp 140416BC and 140417) to CrewManufacturer Part # : MMIG BMW 11 Market Description The basic requirements for a properly running engine are fuel, air, compression, and spark. Before increasing your engine's power, it's wise to ensure all maintenance is up to date and these processes are performing as intended. A weak spark from your ignition system can result in misfiring, rough idling, poor gas mileage, and damage to your catalytic converter, all of which hinder performance.