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BMW Engine Parts for BMW 1 Series

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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.

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Blue Thermostat Caps (pair)

T#:54139632

Part#: BMS-TCP-BLU

Ships in 2 Business Days

$ 29.00 USD

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$ 29.00 USD

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Oil Drain Plug With 4 Crush Washers

T#:55209893

Part#: 071199631KT

In Stock

$ 2.80 USD

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$ 2.80 USD

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The Genuine BMW Performance Sealing Washer Kit features the foundational hardware required to complete your top-end or track-day prep correctly.

Blue B58 BMW Coil Upgrade Adapter Kit - N55

T#:49857415

Part#: BMSN55CUAK

Ships on Aug 7, 2026

$ 199.00 USD

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$ 199.00 USD

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Upgrade your N55 ignition system with the N55 → B58 Coil Upgrade Adapter Kit, engineered for a seamless, plug-and-play conversion. This kit lets you run modern B58-style pencil coils on your N55 without modifying the factory harness or compromising valve cover integrity. Why Upgrade: While the N55 is a reliable platform, factory coils can struggle under high boost, heat, and load. B58 coils deliver stronger, more consistent spark, and this adapter kit ensures a clean, OEM-quality integration. Features & Benefits: Direct-fit adapter harness & mounts for straightforward B58 coil installation Plug-and-play design — no cutting, splicing, or permanent modifications Secure coil seating & alignment for consistent performance and reliability Improved ignition stability under high-load or tuned conditions, helping reduce misfires Applications: Stage 1–3 N55 builds, turbo upgrades, ethanol blends, track use, and aggressive daily driving Drivers looking to eliminate heat- and boost-related ignition issues Anyone seeking an OEM+ quality coil upgrade without a messy DIY install Result: A clean, professional installation that modernizes your ignition system and delivers reliable spark performance under all conditions. If you provide the kit’s brand/part number and whether your valve cover is stock or aftermarket, I can refine this description for precise fitment and application.

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Blue B58 BMW Coil Upgrade Adapter Kit - N54

T#:49857414

Part#: BMSN54CUAK

Ships on Aug 7, 2026

$ 199.00 USD

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$ 199.00 USD

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Modernize your N54 ignition system with this N54 to B58 Coil Upgrade Adapter Kit, engineered to deliver an OEM-quality conversion for improved spark energy and consistency. Designed to pair B58-style pencil coils with the factory N54 engine harness, this kit provides a clean, reversible installation—no cutting, splicing, or guesswork required. Key Features & Benefits: Direct-fit adapter solution to run B58 coils on N54 applications Plug-and-play wiring integrates with the factory N54 harness for a factory-like install Secure coil positioning helps ensure proper seating and reliable long-term fitment Improved ignition stability under higher cylinder pressures—ideal for tuned, higher-boost setups Clean, serviceable conversion that maintains a tidy engine bay and simplifies future maintenance Ideal For: Stock to heavily modified N54 builds Vehicles running elevated boost, ethanol blends, or upgraded turbo systems Owners looking to reduce ignition-related misfires and improve combustion consistency under load If you share the brand/part number of the kit and which coils you’re pairing it with, I can tailor the write-up to match the exact components and fitment notes.

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Hitachi Engine Crankshaft Position Sensor - BMW F2X F3X

T#:48850074

Part#: 13627582842

Ships in 7 Business Days

$ 184.99 USD

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$ 184.99 USD

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Engine cranks but doesn't start? This sensor is often the issue.

Hitachi Camshaft Position Sensor - BMW E9X F3X F8X N20 N52 N55 S55 ...

T#:48815454

Part#: 13627525014

Ships in 7 Business Days

$ 40.00 USD

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$ 40.00 USD

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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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Hitachi Fuel Supply Module - BMW N20 N55 N26

T#:48850079

Part#: 16117243975

Ships in 7 Business Days

$ 344.99 USD

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$ 344.99 USD

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Delivers fuel from the tank to the engine.

Hitachi Engine Crankshaft Position Sensor - BMW N52 N54 S85 S65 S63 ...

T#:48815471

Part#: 13627525015

Ships in 7 Business Days

$ 66.99 USD

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$ 66.99 USD

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The crankshaft position sensor transmits the crankshaft's position 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 crank position sensor.

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Hitachi Voltage Regulator - BMW E88 N52

T#:48815477

Part#: 12317550469

Ships in 7 Business Days

$ 79.99 USD

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$ 79.99 USD

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Supplies power to your car's electronics and recharges the battery.

Hitachi Ignition Coil With Spark Plug Connector - BMW N54 N55 N62 N63...

T#:48850063

Part#: 12138657273

Ships in 7 Business Days

$ 53.99 USD

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$ 53.99 USD

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Ignition coils are key to the efficiency and performance of your BMW. With a faulty coil the spark plug is not burning the air/fuel mixture properly and that can lead to problems anywhere in the engine and exhaust (including catalytic converters and O2 sensors). Problems with one or more coils will cause a fault code, but not always a check engine light. A misfire code may be related to an ignition coil, but could be from other things as well. ometimes, a visual inspection of a coil and coil boot will give an indication of a failure. You can also move coils around to different cylinder banks to see if the misfire code follows a suspect coil. We suggest always having one or two coils on hand to keep as spares.

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Crankshaft Pulley Bolt & Assembly Hook Kit

T#:55317668

Part#: 11M8X20KT

Ships in 3 Business Days

$ 79.17 USD

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$ 79.17 USD

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This Genuine BMW hardware kit includes eight factory M8x20 crankshaft pulley bolts and the essential oil pump chain guide assembly hook.

Engine Hardware & Seal Kit

T#:55281766

Part#: 113EHSKT

Ships in 3 Business Days

$ 50.20 USD

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$ 50.20 USD

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This Genuine BMW engine hardware and seal kit is put together to ensure your timing chain and VANOS system are bolted back down with complete reliability.

Shifter Rebuild Hardware Kit

T#:55209882

Part#: 07119905KT

In Stock

$ 4.80 USD

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$ 4.80 USD

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Wire Pinning Kit - MLK 1.2 Female Jack

T#:55281746

Part#: 125275WRKT

Ships in 9 Business Days

$ 37.40 USD

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$ 37.40 USD

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This Genuine BMW wiring repair kit is the ideal solution to refresh worn-out terminal connections in your Ultimate Driving Machine.

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