BMW Electrical Sensors, Switches, & Relays for BMW X Series E83 (2004-2010)

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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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Turner Motorsport Plug-and-Play IAT Relocation Kit - N52
Turner Motorsport Plug-and-Play IAT Relocation Kit - N52
Reduces the effects of heat soak.
Turner Motorsport - Corporate Logo
T#:568950
Part#: 025451TMS05
In Stock
Sale - Save 25% $ 181.99

This product was last offered at the strikethrough price on
06-14-2026

$ 136.49 USD
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Sale - Save 25%
$ 181.99

This product was last offered at the strikethrough price on
06-14-2026

$ 136.49 USD
Free Shipping
Add to Wish List
What can you do to get rid of this heat soak? Turner designed an IAT relocation kit that moves the intake air temp sensor to a cooler location. Mounting the sensor further away from the heat source and isolating it from the MAF housing, it can both resist the effects of heat soak longer and respond to temperature changes more quickly. The result is you’ll experience reduced torque loss and more consistent power output when you’re pushing your engine hard.
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OMP Battery Cut Off Switch / Kill Switch
OMP Battery Cut Off Switch / Kill Switch
OMP - Corporate Logo
T#:1614
Part#: EA-462
In Stock
$ 65.00 USD
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$ 65.00 USD
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OMP Battery Cut Off Switch / Kill Switch, for use in racecars as an emergency "kill switch", to depower the electrical system in the event of a crash or other emergency. This cut off switch is FIA approved, has 6 poles and alternator protection, as well as a removable key.
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Hitachi Camshaft Position Sensor - E39, E46, E53, E60, E63, E64, E65, E66, E83, Z3, Z4
Hitachi Camshaft Position Sensor - E39, E46, E53, E60, E63, E64, E65,...
Hitachi - Corporate Logo
T#:48850055
Part#: 12147518628
Ships in 2 Business Days
$ 71.99 USD
Free Shipping on orders $49 and up
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$ 71.99 USD
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The camshaft position sensor is essential for assisting the engine DME by monitoring the camshaft's position. The data from this sensor is key to optimizing ignition timing and ensuring smooth engine performance. Often referred to as the CMP sensor, this component is crucial for the overall functionality of the powertrain. A failing camshaft position sensor can cause a range of issues, including engine stumbling, hesitation during acceleration, power loss, and even starting difficulties or complete failure to start.
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Hitachi Camshaft Position Sensor - BMW E9X F3X F8X N20 N52 N55 S55
Hitachi Camshaft Position Sensor - BMW E9X F3X F8X N20 N52 N55 S55 ...
Hitachi - Corporate Logo
T#:48815454
Part#: 13627525014
Ships in 6 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 Camshaft Position Sensor - Intake - BMW M52TU M54
Hitachi Camshaft Position Sensor - Intake - BMW M52TU M54
Hitachi - Corporate Logo
T#:48850072
Part#: 12147539165
In Stock at Vendor
$ 41.99 USD
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$ 41.99 USD
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A bad cam sensor can cause a variety of problems from hard starting to stalling at low speeds. Cam sensor replacement has been known to cure many drivabilty issues. Uses O-ring # 12 141 748 398 (not included)
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Hitachi Engine Crankshaft Position Sensor - BMW N52 N54 S85 S65 S63
Hitachi Engine Crankshaft Position Sensor - BMW N52 N54 S85 S65 S63 ...
Hitachi - Corporate Logo
T#:48815471
Part#: 13627525015
Ships in 6 Business Days
$ 66.99 USD
Free Shipping on orders $49 and up
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$ 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 Crankshaft Position Sensor - BMW M52 S52 M54
Hitachi Crankshaft Position Sensor - BMW M52 S52 M54
Hitachi - Corporate Logo
T#:48815470
Part#: 12141709616
Back Ordered
$ 32.99 USD
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$ 32.99 USD
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NOTE: Does not include o-ring seal - see BMW # 12141748398 This is the crankshaft position sensor. It provides information for the ECU. A faulty sensor can cause issues with timing adjustment and limit performance and vehicle operation. Replace your sensor with a high-quality Hitachi sensor to restore peak performance.
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