The Mishimoto BMW 550i Ignition Coil is a high-quality replacement designed to restore the factory performance and fuel efficiency of your 4.4L V8 engine.
Enables the control of a single electronic exhaust valve
Please visually confirm the exhaust valve actuator installed on your vehicle prior to purchase or installation - Only compatible with systems requiring a single electric valve actuator
Increase of +96 Horsepower, and +94 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!
Increase of +75 Horsepower, and +71 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
Lifetime Replacement
