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.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Regain power loss & fuel economy from worn or failed ignition coils!
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Regain power loss & fuel economy from worn or failed ignition coils!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engages water-methanol system at 35PSI
Adjustable from 25-50psi
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Includes 2.5 gallon tank, red high temp nylon tubing, and quick-connect fittings
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The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure!
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This product was last offered at the strikethrough price on
01-22-2026
This fuel rail eliminates delivery restrictions and guarantees consistent, high-volume fuel pressure across all cylinders.
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The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure!
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Quick connect union T-fitting for 1/4" Nylon
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Replaces just the part that failed - the pump.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms