Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For stock HPFP/no port injection configurations.
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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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Engineered to bridge the gap between "universal" fitment and OE-level reliability, these injectors are drop-in replacements that eliminate the guesswork of fuel system upgrades.
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Set of high-performance fuel injectors engineered specifically for the BMW M-series engines.
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For enthusiasts looking to optimize their engine's fuel delivery without compromising daily drivability.
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Provides a high-pressure seal for the vacated pump port on the cylinder head.
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Engineered for the serious tuner, the VTT PFS S58 Port Injection Kit solves the common "fuel ceiling" encountered on the BMW S58 engine.
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By utilizing your original fuel rail or a VTT replacement, this kit ensures a leak-free seal and maintains a clean appearance under the engine cover.
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If you previously modified your stock manifold to accept port injection, this kit allows you to safely and securely seal those ports.
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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.
Lifetime Replacement
