Turner Motorsport has everything you need to upgrade your BMW through our stages of performance or to keep your car in peak condition with our range of the latest in proven OEM cooling parts. Upgrade your cooling system and engine performance with the selections below to give your BMW a performance and reliability advantage.
The camshaft position sensor communicates the position of the camshaft to the computer. This helps the computer to calculate proper spark and fuel control. If you're struggling with CELs, hard starts or no starts, stalling, and/or a rough idle, you may need to replace the cam position sensor.
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Engineered specifically for high power builds that push the direct injection threshold, this lift kit overrides the typical N55 fueling bottleneck by overdriving the high pressure fuel pump mechanism.
The Dorch Engineering N55 PWG Lift Kit is the upgrade your BMW needs. By optimizing the fuel pump lift profile, this kit allows your HPFP to pump significantly more fuel per revolution. Designed specifically for the early Pneumatic Wastegate (PWG) N55 engines
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Eliminate the fueling limits and maintain factory-level reliability with the Dorch Engineering DS15 HPFP Upgrade. This "Stage 1.5" pump replaces the successful DS1, engineered specifically to handle the flow demands of aggressive tuning
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The factory N55 fueling system leaves a lot to be desired once you turn up the boost. Enter the Dorch Engineering HPFP Lift Kit. This kit is a calculated, high performance solution designed specifically for PWG N55 engines to extract maximum flow from your fueling setup by altering the mechanical lift profile of the pump drive
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The Dorch Engineering Lift Kit HPFP Upgrade is engineered to completely eradicate direct-injection fueling limitations, providing up to 38% more flow volume on top of your existing Dorch fuel pump setup.
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The Dorch DS15B High-Pressure Fuel Pump Upgrade is the definitive choice for drivers demanding uncompromised fuel delivery under heavy load. The stock pump simply cannot keep up with the volume required for upgraded turbos
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