Mishimoto 11-15 BMW 550i 4.4L Ignition Coil - 8-Pack SPECIAL-ORDER A catch can works as

A catch can works as a filter to catch harmful contaminants before they can reach the inlet system

BAKFlip MX4 (GEN 3) 19-26 (New Body) Silverado/Sierra (w/out CarbonPro Bed) 5'9"

Elegant design prevents head-imploding wind buffeting

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Mishimoto 11-15 BMW 550i 4.4L Ignition Coil - 8-Pack SPECIAL-ORDER A catch can works asManufacturer Part # : MMIG BMW 1108 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.