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.
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This full kit is one of the easiest ways to get all six nozzles exactly where you need them for a true direct port installation.
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Everything you need to upgrade your N55 with B58 high-performance ignition coils!
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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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Brand:
ES#:
4690245
Mfg#:
601-0260
Ships in 4 Business Days
$68.99
This product was last offered at the strikethrough price on 01-22-2026
These injectors offer a significant increase in flow over factory units while maintaining excellent idle quality and drivability through rigorous quality control
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Whether you are running high-boost setups, or converting to alternative fuels, this premium X2 module delivers the reliable volume your engine demands.
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These injectors offer a significant increase in flow over factory units while maintaining excellent idle quality and drivability through rigorous quality control
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Increased fueling for bigger power - supports up to 1150whp! Modular design for future upgrades!
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Crank no-start conditions are ungood. It's either air, fuel, or spark. If you're not in a vacuum, then it's probably fuel or spark. Bring your ignition system back up to snuff with ignition parts like coil packs, spark plugs, spark plug wires, distributors, and more or rejuvenate your fuel system with a fresh fuel filter, fuel pump, fuel injectors, fuel rail, and everything in between from our catalog of OEM and aftermarket suppliers.
