BMW Electrical Sensors, Switches, & Relays

Burger Motorsport 4 BAR TMAP Sensor & Adapter - BMW N55/N54/S55 (2007...

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T#:34885402

Part#: 4BAR TMAP

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$ 139.99 USD

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Use these plug and play adapters to quickly adapt a 4bar TMAP sensor to your N54/N55/S55 BMW, raising the boost maximum boost range from 20psi factory up to 43psi.

Braille Performance Lightweight AGM Battery - B14115 - 11.5lbs ...

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T#:558037

Part#: B14115

Ships in 6 Business Days

$ 204.99 USD

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When building a car for the track, one of the most important factors to consider is weight. Stock batteries can weigh up to almost 50 pounds and are unnecessarily large, designed to power a host of systems not normally used in a track car (radios, lighting, etc.). What can you do to cut weight the weight without affecting your cars operation? This is where Braille Battery comes in with their long line of performance lightweight battery options! Designed to provide the highest cranking power possible while being up to 75% lighter, Braille Battery is one of the foremost leaders in automotive racing batteries with nothing but high quality, high output batteries in mind!

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BMW E6X / E8X / E9X - N52 Replacement Starter Kit

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T#:15777314

Part#: SR0492NKT2-KT

In Stock

Sale - Save 5% $ 284.99

This product was last offered at the strikethrough price on
08-14-2026

$ 269.62 USD

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$ 284.99

This product was last offered at the strikethrough price on
08-14-2026

$ 269.62 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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Rein N52 N54 Alternator Mounting Screw Set - 12310392568 - E9x, E8x, ...

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T#:14795

Part#: 12310392568

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$ 20.99 USD

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BMW Set Of Alu. Screws Generator -
This item fits the following BMW Chassis:
E70 X5,E82,E83 X3,E85,E86,E89 Z4,E90,E92,E93,F10,F25 X3

Fits BMW Engines including:
N51,N52,N52N

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Braille Performance Lightweight Advanced AGM Battery - B2015 - 15lbs ...

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T#:558038

Part#: B2015

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$ 237.99 USD

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When building a car for the track, one of the most important factors to consider is weight. Stock batteries can weigh up to almost 50 pounds and are unnecessarily large, designed to power a host of systems not normally used in a track car (radios, lighting, etc.). What can you do to cut weight the weight without affecting your cars operation? This is where Braille Battery comes in with their long line of performance lightweight battery options! Designed to provide the highest cranking power possible while being up to 75% lighter, Braille Battery is one of the foremost leaders in automotive racing batteries with nothing but high quality, high output batteries in mind! The B2015 is Braille's most popular non-carbon racing battery and is able to start larger engines easily for racing and offers daily driving capability for most 4 and 6 cylinders engine vehicles. Physical Specifications: BCI Group: All sizes Weight: 15lbs / 6.8kg Length: 6.8" / 173mm Width: 3.4" / 86mm Height: 6.1" / 155mm Polarity: Right Side Positive Performance Specifications: Voltage: 12 Full Charge Voltage: 13.2 Pulse Cranking Amps (PCA): 1067 Amp Hour (AH): 21 Life Cycle @ 10% DOD: 3100 *THIS BATTERY REQUIRES A CUSTOM MOUNTING SOLUTION. The size and weight are significantly smaller than a stock battery and will not be held in place by the stock battery mount*

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Braille Lightweight Advanced AGM Battery - B3121 - 21lbs

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T#:558042

Part#: B3121

Ships in 7 Business Days

$ 270.99 USD

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When building a car for the track, one of the most important factors to consider is weight. Stock batteries can weigh up to almost 50 pounds and are unnecessarily large, designed to power a host of systems not normally used in a track car (radios, lighting, etc.). What can you do to cut weight the weight without affecting your car's operation? This is where Braille Battery comes in with their long line of performance lightweight battery options! Designed to provide the highest cranking power possible while being up to 75% lighter, Braille Battery is one of the foremost leaders in automotive racing batteries with nothing but high quality, high output batteries in mind! The B3121 battery from Braille is their lightest do-everything battery available, offering 1380 pulse cranking amps that can crank over V8 engines with ease while still coming in at under 22 pounds, half of the weight of a standard Group 34 battery! This is thanks to their Advanced AGM racing technology that allows them to put a ton of power into a very small package. Physical Specifications: BCI Group: All sizes Weight: 21lbs / 9.5kg Length: 6.6" / 168mm Width: 5.2" / 132mm Height: 6.8" / 173mm Polarity: Right Side Positive Terminal Type: Steel terminal block with M6 bolt Performance Specifications: Voltage: 12v Recharge Voltage: 14.4V – 14.6V Maintenance charge voltage: 13.8V 5s Pulse Cranking Amps (PCA): 1380 10s PDC: 124 Amp Hour (Ah): 31 Watt Hour (Wh): 372 Life Cycle @ 10% DOD: 3100 Charging Temperature 0C to 50C Discharge Temperature range -40C to +60C Storage temperature -40C to +60C *THIS BATTERY REQUIRES A CUSTOM MOUNTING SOLUTION. The size and weight are significantly smaller than a stock battery and will not be held in place by the stock battery mount*

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Febi Camshaft Position Sensor - Intake - E39 E46 E53 E60 E83 Z3 Z4 ...

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T#:591868

Part#: 12147539165

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$ 31.99 USD

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Braille Performance Intensity Carbon Lithium-ION Battery - i48CX - 10...

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This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shi

T#:558047

Part#: I48CX

Ships in 6 Business Days

$ 1,164.99 USD

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$ 1,164.99 USD

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The ultra-lightweight, standard height I48CX lithium-ION battery from Braille Battery is a popular choice among BMW enthusiasts looking for a drop-in replacement battery that shaves off a ton of weight, 35 pounds in total! Thanks to the Group 48 design of this battery, no modifications are needed for installation. This is perfect for anyone looking to drive their car both on and off of the track, without any negative side effects, and wants a battery with a 10-15 year life span!

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Bosch Starter Motor With Hardware

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T#:56110332

Part#: SR0492NKT4

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$ 273.99

This product was last offered at the strikethrough price on
08-14-2026

$ 261.99 USD

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$ 261.99 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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Febi Outdoor Temperature Sensor / Probe

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T#:382731

Part#: 65816936953

Ships in 2 Business Days

$ 20.79

This product was last offered at the strikethrough price on
10-21-2026

$ 20.76 USD

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$ 20.76 USD

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Common fix for incorrect OBC temperature readings

Valvetronic Camshaft Adjuster replacement kit

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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

$ 179.28 USD

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$ 220.99

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

$ 179.28 USD

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

Braille Performance GreenLite Lithium-ION Battery - G30 - 5.5lbs ...

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T#:558046

Part#: G30

Ships in 7 Business Days

$ 522.99 USD

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$ 522.99 USD

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The G30 lithium battery from Braille is designed for the Import Tuner market (4 and 6 cylinder) for track use and has enough power for small black V8 race cars and hot rods with light electrical demands/accessories and standard compression. The G30 comes in the popular ETX 30 Group size, just like the B3121 AGM, so it is small and light enough to mount in a variety of locations. Incorporated in this battery is the same technology used in their race winning batteries used by nearly every OEM developer in classes ranging from SCCA to Formula 1.

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Eccentric Shaft Sensor Kit

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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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$ 270.16

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05-03-2026

$ 221.57 USD

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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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Burger Motorsports 2007-2012 TypeA 4BAR Adapter - E82/88 E9X E6X N54 ...

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T#:599636

Part#: TYPEA4BARADAPTER

Ships in 3 Business Days

$ 35.00 USD

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$ 35.00 USD

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Use these plug and play adapters to quickly adapt a 4bar TMAP sensor to your N54/N55/S55 BMW, raising the boost maximum boost range from 20psi factory up to 43psi. For very high boost applications, this 4 BAR adapter can be used which requires Bosch 4 BAR sensor (Part # 281002576). SENSOR NOT INCLUDED, Please see T#587716

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Burger Motorsports 2013+ TypeB 4BAR Adapter - F2X F3X N54 N55 S55 ...

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T#:599637

Part#: TYPEB4BARADAPTER

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$ 35.00 USD

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$ 35.00 USD

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Use these plug and play adapters to quickly adapt a 4bar TMAP sensor to your N54/N55/S55 BMW, raising the boost maximum boost range from 20psi factory up to 43psi. For very high boost applications, this 4 BAR adapter can be used which requires Bosch 4 BAR sensor (Part # 281002576). SENSOR NOT INCLUDED, Please see T#587716

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Febi Camshaft Position Sensor

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T#:368897

Part#: 12147518628

Ships in 2 Business Days

$ 48.99

This product was last offered at the strikethrough price on
09-01-2026

$ 40.99 USD

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A faulty cam sensor can lead to issues like difficulty starting and stalling at low speeds. Replacing the cam sensor often resolves many drivability problems. Requires O-ring #12141748398 (not included).

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Febi Crankshaft Position Sensor - E31, E38, E39, E52, E60, E63, E64, ...

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T#:382432

Part#: 13627839138

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$ 53.99 USD

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Referred to as the speed sensor & reference sensor

Febi M57 Crankshaft Position Sensor - 13627809334 - E90 335d, E70 X5 ...

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T#:56254756

Part#: 13627809334

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$ 46.99 USD

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Maintain the crisp throttle response and reliable performance of your BMW with this Febi Bilstein Crankshaft Position Sensor.

Febi Relay - Replaces White/Green

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T#:16375128

Part#: 61368373700

Ships on Jan 27, 2027

Sale - Save 28% $ 15.99

This product was last offered at the strikethrough price on
05-15-2026

$ 11.56 USD

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$ 15.99

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05-15-2026

$ 11.56 USD

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This relay is often the fuel pump relay for many BMW models. To ensure the relay is correct for your car please check the pin locations

Oil Pressure Switch (fits most BMWs)

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T#:363

Part#: 12617568480

In Stock

$ 7.99

This product was last offered at the strikethrough price on
07-07-2026

$ 5.39 USD

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Having your oil pressure light come on can mean very serious problems. Or it could just be this switch that fails several times over a car's lifespan. By no means should you ignore the warning light but replacing this sensor could be the actual culprit. The other problem with this switch is that oil can leak past its seal. With the oil under a lot of pressure at this point, the oil loss can be a serious concern. It's a simple replacement when doing most oil change work.

This Oil Pressure Switch fits the following BMWs:
1985-1991 E30 318i, 318is, 325e, 325i, M3
1992-1999 E36 318i/is, 325i/is, 328i/is, 323is, M3
1992-1997 E31 840i, 850i
1988-1994 E32 735i, 735iL, 740i, 740iL
1989-1995 E34 525i, 530i, 535i, 540i, M5
1995-2001 E38 740i, 740iL, 750i, 750iL
1996-2002 Z3 Roadster/Coupe 1.9, 2.3, 2.5, 2.8, 3.0, 3.2
1997-2003 E39 525i, 528i, 530i, 540i, M5
1999-2005 E46 323, 325, 328, 330, M3
2000-2003 Z8 roadster
2001-2006 E53 X5 X5 3.0i, X5 4.4i, X5 4.6is, X5 4.8is
2002+ E65/E66 745i, 745li, 750i, 750li, 760i, B7 Alpina
2003+ Z4 Roadster/Coupe Z4 2.5, 3.0, 3.0si
2004+ E60 525i, 530i, 535i, 545i, 550i, M5
2005+ E63/E64 645Ci, 650i, M6
2005+ E83 X3 X3 2.5, X3 3.0
2006+ E90/E92 325, 328, 330, 335
2007+ E70 X5 X5 3.0i, X5 4.8i

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Febi Alternator Mount Bushing - E12, E21, E23, E24, E28, E30 ...

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T#:381815

Part#: 12311268433

In Stock at Vendor

$ 4.07 USD

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$ 4.07 USD

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Reduces alternator vibration.

Intensity Lithium-ION Battery - i34RX - 11.5lbs

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T#:54388454

Part#: I34RX

Ships on Nov 13, 2026

$ 949.99 USD

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Whether you're building a dedicated track weapon or upgrading your street machine for ultimate reliability, unsprung and upper-chassis weight is the enemy of performance. Positioned high up in the engine bay or rear corners, a heavy factory battery negatively impacts your car's center of gravity.

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Rein Relay - 61311378297 - E30, E36, E46, E9x, E8x, E28, E34, E39, E6...

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T#:381382

Part#: 61311378297

Ships in 4 Business Days

$ 20.99 USD

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Replacement relay for the typical white-green and orange relays found in your vehicle

120 pc Fuse Assortment

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T#:1809154

Part#: W5368

Ships in 2 Business Days

$ 13.68 USD

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$ 13.68 USD

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A must for any toolbox.

Febi Crankshaft Position Sensor - 13627582842 - E9x, F3x, F8x, E8x, F...

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T#:56254775

Part#: 13627582842

Special Order: No Guaranteed ETA

$ 19.99 USD

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$ 19.99 USD

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This Febi Crankshaft Position Sensor ensures your ECU receives ultra-fast, precise engine speed and position data under all driving conditions.

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T#:38419092

Part#: 12617598860

Special Order: No Guaranteed ETA

$ 178.99 USD

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$ 178.99 USD

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Maintain precise oil level monitoring with the Febi Oil Level Sensor, engineered for accuracy and optimal engine performance. Designed to meet OEM specifications, this high-quality sensor ensures long-lasting reliability and efficiency. Key Features: OEM-Grade Construction – Built to factory standards or higher for a perfect fit and dependable operation. Accurate Oil Level Detection – Provides real-time readings to help prevent low oil conditions. Durable & Long-Lasting – Designed to withstand extreme engine conditions for consistent performance. Hassle-Free Installation – Direct replacement with no modifications required, restoring proper oil monitoring. Enhanced Engine Protection – Helps prevent oil starvation and reduces the risk of engine damage. For optimal performance, replace a faulty sensor to ensure proper oil level monitoring and engine health.

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Febi Oil Level Sensor - 1000541 - F3x

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T#:52516271

Part#: 1000541

Special Order: No Guaranteed ETA

$ 90.99 USD

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$ 90.99 USD

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Ensure your vehicle’s engine remains protected with the Febi 1000541 Oil Level Sensor.

Febi Engine Oil Level Sensor - 12617607909

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T#:54816237

Part#: 12617607909

Special Order: No Guaranteed ETA

$ 121.99

This product was last offered at the strikethrough price on
06-10-2026

$ 95.99 USD

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Reliable German replacement sensor keeps your BMW oil levels monitored.

Febi N52 Oil Pressure Sensor - 12615B4C892 - E8x 128i, E83 X3 ...

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T#:55857763

Part#: 12615B4C892

Special Order: No Guaranteed ETA

$ 23.99 USD

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$ 23.99 USD

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Protect your ultimate driving machine from disastrous lubrication failures with the Febi Bilstein Oil Pressure Sensor.

Febi M54 Starter Motor - 12412354693 - E46, E39, E60, E83

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T#:56724716

Part#: 12412354693

Special Order: No Guaranteed ETA

$ 147.99 USD

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This Febi Bilstein starter motor delivers the cranking performance your BMW needs for instant ignition response every time you turn the key.

Rein Starter Mounting Hardware - 12410392577 - E9x, E8x, E60, E61, F1...

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T#:594380

Part#: 12410392577

In Stock

$ 10.99 USD

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Modern starter and water pump fasteners are torque-to-yield, meaning they stretch and can only be safely used once. Replace your hardware for peace of mind.

Engine Oil Level Sensor - 12618608780

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T#:54816234

Part#: 1000540

Special Order: No Guaranteed ETA

$ 116.99

This product was last offered at the strikethrough price on
06-10-2026

$ 89.00 USD

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When BMW threw out the mechanical dipstick, they shifted the responsibility of protecting your engine entirely to the electronic oil level sensor. On the street or the track, knowing your oil level is non-negotiable. If your dashboard sensor readout is throwing errors or lagging, your N52, N54, N55, S55, or N63 engine is operating in the dark. This Febi Bilstein engine oil level sensor is an excellent, cost-effective alternative to expensive dealership parts counter pieces. Febi is an industry-trusted German manufacturer, ensuring this sensor reads with the exact same precision and calibration as original equipment. Keep your ultimate driving machine properly monitored and safe from oil starvation. Key Features Premium German Engineering: Manufactured by Febi Bilstein to match original BMW operational tolerances. Critical Engine Protection: Restores accurate iDrive/instrument cluster oil volume and temperature readouts. Exact Factory Fit: Features the correct 3-pin oval plug orientation for a seamless plug-and-play install. Track-Day Insurance: Ensures your electronic monitoring system functions flawlessly under heavy load. Turner Tip: Oil level sensors are notorious for failing due to age and repeated heat cycles. Because this sensor installs directly into the bottom of the oil pan, make this swap part of your next oil service kit checklist.

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