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BMW Electrical Sensors, Switches, & Relays

Electrical gremlins can be very frustrating. Luckily your BMW's electrical system is better than most, even if it's 25 years old. Here you will find electrical relays, sensors, switches, and modules for the engine, camshaft, and crankshaft. Our parts are OEM, Genuine BMW, or approved aftermarket brands that we have an excellent track record with. There is no middle ground with electrical parts - it either works perfectly or not. And there's nothing more frustrating than a new part that fails right out of the box. So it's important to choose quality replacement parts over a cheap but faulty piece.

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BMW E6X / E8X / E9X - N52 Replacement Starter Kit

T#:15777314

Part#: SR0492NKT2-KT

Ships in 1-2 days

Sale - Save 4% $ 296.99

This product was last offered at the strikethrough price on
03-17-2026

$ 284.64 USD

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Qty

Sale - Save 4%

$ 296.99

This product was last offered at the strikethrough price on
03-17-2026

$ 284.64 USD

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Is your car having trouble starting? Does your starter click when you turn the key? Sounds like it's time for a new starter motor! Includes new starter with no core charge, intake gaskets, throttle body gasket and hardware.

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Plug And Play ReFlex Plus Install Harness - S58/B58

T#:35761669

Part#: 201-0409

Ships in 9 Business Days

$ 199.99 USD

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$ 199.99 USD

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The **Precision Raceworks S58/B58 Plug-and-Play Install Harness for the Motiv ReFlex+** is certified by Motiv Motorsports and is an essential upgrade for anyone integrating a ReFlex+ into their S58 or B58 vehicle. This Harness replaces only the signal and power sub harness portion of the Motiv Reflex. Standard universal Motiv ReFlex Plus harness required for use of this Plug and Play Harness - ES#4810312 / ES#4810314 This innovative harness eliminates the need for cutting, crimping, or splicing into your factory wiring, providing a straightforward, fully reversible installation. Simply plug it in, and you're ready to go! ### Why Choose the Precision Raceworks Harness? Although the main harness included with the Motiv ReFlex+ is well-designed, its standard sub-harness requires splicing into the factory wiring. Precision Raceworks addresses this by offering a plug-and-play replacement for the sub-harness. This solution retains the high-quality main harness, avoids unnecessary costs, and simplifies installation for seamless performance. ### Key Features of the Precision Raceworks X58 Harness: - **Motiv Motorsports Certified**, ensuring complete compatibility. - **100% Plug-and-Play** for a quick, hassle-free installation. - **Compatible with Tuning Platforms** such as MHD, MHD+, EcuTek, and BM3. - **Premium Build Quality**, manufactured in an ISO 9001-certified facility using automotive-grade wiring. - **Fast Installation**, completed in as little as one hour. - **Reversible Setup**, preserving the factory harness with no permanent modifications. The Precision Raceworks harness is the ideal choice for ReFlex+ users seeking a reliable, cost-effective, and user-friendly solution without altering their vehicle's original wiring.

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Valvetronic Camshaft Adjuster replacement kit

T#:15677492

Part#: 11127556161-KT

In Stock

Sale - Save 19% $ 220.99

This product was last offered at the strikethrough price on
05-03-2026

$ 179.20 USD

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Qty

Sale - Save 19%

$ 220.99

This product was last offered at the strikethrough price on
05-03-2026

$ 179.20 USD

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Valv-tronic adjuster unit, Changes the the timing shaft to adjust the valve timing.

Eccentric Shaft Sensor Kit

T#:15677508

Part#: 11127581215-KT

In Stock

Sale - Save 18% $ 270.16

This product was last offered at the strikethrough price on
05-03-2026

$ 221.57 USD

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Qty

Sale - Save 18%

$ 270.16

This product was last offered at the strikethrough price on
05-03-2026

$ 221.57 USD

Add to Wish List

The eccentric shaft sensor is known to fail and can be a costly repair at the dealer. Often caused by oil getting into the connection for the wiring harness and damaging the sensor and causing a check engine light. With this kit you get the the sensor along with new valve cover and eccentric shaft adjuster gaskets to ensure a complete leak free job.

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Bosch Starter Motor With Hardware

T#:56110332

Part#: SR0492NKT4

Ships in 1-2 days

$ 273.99 USD

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$ 273.99 USD

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At the core is a brand-new Bosch Starter Motor, engineered to withstand extreme operating conditions while delivering immediate cranking speed. This kit includes also the required Genuine BMW Aluminum Mounting Screw Set.

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BMW Electrical Sensors, Switches, & Relays

Sub-Categories

BMW E6X / E8X / E9X - N52 Replacement Starter Kit

Plug And Play ReFlex Plus Install Harness - S58/B58

Valvetronic Camshaft Adjuster replacement kit

Eccentric Shaft Sensor Kit

Bosch Starter Motor With Hardware

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