BMW Electrical Sensors, Switches, & Relays for BMW E93 M3 S65 4.0L

Precision Raceworks Ethanol Sensor Breakout Harness

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T#:35559424

Part#: 201-0411

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$ 35.99

This product was last offered at the strikethrough price on
01-22-2026

$ 34.99 USD

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n Ethanol Sensor Breakout Harness provides a clean wiring solution by splitting the signal from your ethanol content sensor between two analyzers, such as an ECU/controller and a gauge or Bluetooth display, without modifying your existing harness.his setup enables real-time ethanol level monitoring and facilitates comprehensive DME/ECU adjustments for enhanced automotive performance.citeturn0search0

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OEM Bosch Remanufactured Alternator - AL9454X - BMW E9X M3 S65 ...

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T#:639734

Part#: 12317837981BKT

In Stock at Vendor

$ 526.99

This product was last offered at the strikethrough price on
05-07-2026

$ 513.99 USD

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*Price includes a refundable $75 Core Charge* The alternator in your vehicle keeps the battery at full charge when your engine is running. Because all of your electronic systems run off of this small piece, it's important that it is operational. If your lights are dim while driving or your battery dies within minutes of starting your car, it's time for a new alternator. Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products. As a leading source of high-performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts. All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform! Bosch Part Numbers: AL9454X, 0986UR6290 Replaces the following BMW part numbers: 12317837981, 12317838656

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Hella Air Horn Kit

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T#:592708

Part#: 3001651

In Stock at Vendor

$ 143.99

This product was last offered at the strikethrough price on
05-07-2026

$ 139.99 USD

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Get noticed with this air horn kit from Hella!

Endurance Series AGM Battery - B48-H6-L3

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T#:36947237

Part#: B48-H6-L3

In Stock

$ 398.99 USD

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$ 398.99 USD

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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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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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Facet Intake Air Temperature Sensor - BMW E9X M3 S65

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T#:43885733

Part#: 13627792203

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$ 28.99

This product was last offered at the strikethrough price on
05-07-2026

$ 27.99 USD

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This sensor provides your BMW's control unit with intake temperature readings, enabling it to run optimally in any condition. If this sensor has failed, your BMW may be suffering from more performance loss than you realize. Replace your IAT sensor to ensure proper temperature readings and restore lost performance!

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Genuine BMW Positive Battery Cable

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T#:139511

Part#: 61129269907

Ships in 1-2 days

3% off MSRP $ 223.99

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$ 217.99 USD

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$ 223.99

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$ 217.99 USD

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Genuine BMW Rep. Wire For B+ - 4370mm
This item fits the following BMW Chassis:
E90,E92,E93

Electronic Box Cover - E82, E84, E88, E90, E91, E92, E93

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T#:25118

Part#: 12907544575

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3% off MSRP $ 32.99

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$ 31.99 USD

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$ 32.99

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$ 31.99 USD

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Genuine BMW Cover Electronic-Box
This item fits the following BMW Chassis:
E82 1M Coupe,E82,E90,E92,E93

Fits BMW Engines including:
M57,N20,N51,N52,N52N,N54,N54T,N55,S65

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Genuine BMW Hood Ground Strap - E92 E93

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T#:175254

Part#: 51237331554

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4% off MSRP $ 45.99

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$ 43.99 USD

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$ 45.99

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$ 43.99 USD

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Genuine BMW Earth Strap For Engine Hood -
This item fits the following BMW Chassis:
E92,E93

Genuine BMW Battery Cable - negative

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Requires this adapter with this part - T#39998

T#:39475

Part#: 12427603567

Ships in 1-2 days

4% off MSRP $ 318.99

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$ 306.99 USD

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4% off MSRP

$ 318.99

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$ 306.99 USD

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Genuine BMW Battery Cable, Negative, Ibs
This item fits the following BMW Chassis:
E60 M5,E70 X5M,E71 X6M,E70 X5,E71 X6,E93

Genuine BMW E-Box Fan - Multiple BMWs

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T#:40921

Part#: 12907531783

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5% off MSRP $ 238.99

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$ 225.99 USD

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5% off MSRP

$ 238.99

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$ 225.99 USD

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This blower fan is in your DME and if it fails your vehicle could experience faulty wiring, faulty error codes, even melting of the electrical system. If you get a "E-Box-Fan" code this will remedy that problem.

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Genuine BMW Starter - E9x M3

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T#:587726

Part#: 12417843526KT

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$ 765.99 USD

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Replace your faulty starter with this Genuine BMW starter. Genuine BMW starters are 100% factory tested to assure that it meets or exceeds original equipment specifications. When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence. This item fits the following BMWs: 2008-2011 E90 BMW M3 - Sedan 2008-2013 E92 BMW M3 - Coupe 2008-2013 E93 BMW M3 - Convertible

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Genuine BMW Positive Battery Cable - E9x, E82, E84

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T#:12538

Part#: 61129217031

Ships in 1-2 days

4% off MSRP $ 280.99

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$ 269.99 USD

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$ 280.99

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$ 269.99 USD

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This is the Genuine BMW positive battery cable (plus pole) for 3 series 2006-2013 and 1 series 2008-2014. This cable often needs to be replaced after collision damage. When doing any sort of repair or maintenance there is no replacement for genuine factory parts.

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Genuine BMW Earth/Ground Cable Kit - E9X M3

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T#:642044

Part#: 12427840580KT

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$ 145.99 USD

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The ground cables on your starter and exhaust can become brittle or corrode over time. If yours are starting to show signs of greenish color or splitting replace them with this kit that contains all three.

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Genuine BMW Electrical Socket Repair Kit - Multiple BMWs

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T#:211386

Part#: 61132359998

Ships in 1-2 days

4% off MSRP $ 26.22

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$ 25.07 USD

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4% off MSRP

$ 26.22

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$ 25.07 USD

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Repair your damaged housing and get your car operating the way it should

Genuine BMW Rep. Wire For B+ - 61139321691 - E82,E89,E90,E92,E93 ...

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T#:186024

Part#: 61139321691

In Stock

3% off MSRP $ 147.99

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$ 143.99 USD

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$ 147.99

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$ 143.99 USD

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Genuine BMW Rep. Wire For B+
This item fits the following BMW Chassis:
E82 1M Coupe,E82,E89 Z4,E90,E92,E93

Genuine BMW Rain And Light Sensor

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T#:144280

Part#: 61359224853

Ships in 1-2 days

5% off MSRP $ 388.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 368.99 USD

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5% off MSRP

$ 388.99

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$ 368.99 USD

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Genuine BMW Rain And Light Sensor
This item fits the following BMW Chassis:
E82 1M Coupe,E82,E89 Z4,E90,E92,E93

Genuine BMW Alarm Siren

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T#:154929

Part#: 65759243750

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3% off MSRP $ 295.99

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$ 285.99 USD

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3% off MSRP

$ 295.99

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$ 285.99 USD

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Genuine BMW Altern.Power Siren W Inclination Indicat
This item fits the following BMW Chassis:
E60 M5,E70 X5M,E71 X6M,E82 1M Coupe,E65,E70 X5,E71 X6,E82,E90,E92

MTC Positive Cable Battery Connection Pole - E82/88 E9X

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T#:583467

Part#: 61129217031

Ships in 3 Business Days

$ 138.99 USD

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$ 138.99 USD

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If your BMW has been in an accident in which the Battery Safety Terminal has been tripped you will need a new positive cable connection pole in order to restart the vehicle.

Genuine BMW E9X Rep. Wiring Harness, Strut S - 61129206018

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T#:139321

Part#: 61129206018

Ships in 7 Business Days

3% off MSRP $ 619.99

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$ 602.99 USD

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3% off MSRP

$ 619.99

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$ 602.99 USD

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Enhance the electrical system of your BMW with the Genuine BMW E9X Rep. Wiring Harness, Strut S - 61129206018. This genuine BMW part ensures optimal performance and reliability, providing a seamless replacement for your vehicle's wiring harness.

Genuine BMW part for guaranteed compatibility and reliability
Designed to meet BMW's strict quality standards
Ensures proper electrical connections and functionality
Easy installation with precise fitment

Genuine BMW Rep. Wiring Harness, Strut Sector, Left -
This item fits the following BMW Chassis:
E82,E90,E92,E93

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Wiring Harness Transmission - E90, E92, E93

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T#:138695

Part#: 61127842478

Ships in 7 Business Days

6% off MSRP $ 235.99

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$ 222.99 USD

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6% off MSRP

$ 235.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 222.99 USD

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Genuine BMW Wiring Harness, Transmission, Dkg -
This item fits the following BMW Chassis:
E90,E92,E93

Wiring Harness Transmission - E90, E92, E93

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T#:138691

Part#: 61127839068

Ships in 7 Business Days

6% off MSRP $ 235.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 222.99 USD

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6% off MSRP

$ 235.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 222.99 USD

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Genuine BMW Wiring Harness, Transmission -
This item fits the following BMW Chassis:
E90,E92,E93

OEM Hella Crankshaft Position Sensor - Multiple BMWs

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T#:2084

Part#: 13627839138

Special Order: No Guaranteed ETA

$ 99.99 USD

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$ 99.99 USD

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This crank shaft position sensor provides the ECU with the engine speed signal. OEM Hella sensors are a perfect replacement for faulty position sensors causing poor engine operation. It is mounted in the bell housing at about the 7 o'clock postion of the transmission on most cars. This sensor fits BMW E90 E92 E93 M3, E39 540i M5, E60 M5, E63 M6, E38 740i 740il 750il 1997-2001, E31 840ci 850ci, E52 Z8.

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

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T#:382432

Part#: 13627839138

Ships on Sep 30, 2026

$ 53.99 USD

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$ 53.99 USD

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Referred to as the speed sensor & reference sensor

Bav Auto Crankshaft Position Sensor - Multiple BMWs

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T#:639826

Part#: 13627525015

Special Order: No Guaranteed ETA

$ 67.99 USD

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$ 67.99 USD

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This crankshaft position sensor provides the ECU with the engine speed signal. It is mounted in either the engine block or the bell housing of the transmission on most cars. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Hella Relay

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T#:592718

Part#: 965400001

In Stock

$ 14.99 USD

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$ 14.99 USD

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12V 30A SPST relay with bracket

Genuine BMW Bushing Contact w/ Wire Lead - Multiple BMWs

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T#:10437

Part#: 61130005199

In Stock

13% off MSRP $ 7.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 6.99 USD

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13% off MSRP

$ 7.99

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$ 6.99 USD

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Used in a variety of locations throughout your BMW, this perfect for repair damage electrical connection contacts.

LK-2M 2 Pin Connector Package

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T#:40072446

Part#: LK2M

In Stock

Sale - Save 29% $ 6.99

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

$ 4.94 USD

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Sale - Save 29%

$ 6.99

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

$ 4.94 USD

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Includes connector housing with terminals and seals. Commonly used for the engine oil pressure switch.

ECS Tuning replacement harness connectors include all necessary pins and wire seals for a complete harness repair. Whether you have a broken harness connector or need a complete wiring repair, we have the components you need.

Each connector includes an additional terminal in case one becomes lost or damaged during installation.

Suggested tools:

Suggested crimping pliers: T#387193
Wire De-pin tools:
12pc De-Pin Tool Set - T#386379
23pc De-Pin Tool Set - T#641943

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Oil Pressure Switch (fits most BMWs)

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T#:363

Part#: 12617568480

In Stock

Sale - Save 41% $ 11.99

This product was last offered at the strikethrough price on
04-21-2026

$ 7.02 USD

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Sale - Save 41%

$ 11.99

This product was last offered at the strikethrough price on
04-21-2026

$ 7.02 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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Hella Horn - High-Tone

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T#:592716

Part#: 7424011

In Stock

$ 17.99 USD

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$ 17.99 USD

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Upgrade the sound of your BMW or MINI with the Hella Horn - High-Tone. This high-quality horn delivers a powerful and attention-grabbing sound, enhancing safety on the road. Designed for easy installation, it provides a quick and effective way to improve the audible presence of your vehicle.

Powerful and attention-grabbing sound
Enhances safety on the road
Easy installation for convenience
Compatible with BMW and MINI models
High-quality construction for durability

Enhance the audible presence of your BMW or MINI with the Hella Horn - High-Tone, ensuring you're heard when it matters most.

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Hella Horn - Low-Tone

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T#:28869559

Part#: 7424001

In Stock

$ 17.99 USD

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$ 17.99 USD

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Universal fit. Not direct fit.

Bremmen Parts Outdoor Temperature Sensor / Probe - 65816936953 ...

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T#:30728992

Part#: 65816936953

In Stock

Sale - Save 24% $ 13.99

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

$ 10.67 USD

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Sale - Save 24%

$ 13.99

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

$ 10.67 USD

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Febi Relay - Replaces White/Green

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T#:16375128

Part#: 61368373700

Ships on Sep 30, 2026

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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Qty

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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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

Fluid Level Sensor

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T#:369510

Part#: 17137524812

In Stock

$ 10.59 USD

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$ 10.59 USD

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This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level

Genuine BMW MQS Bushing Contact w/ Wire Lead - Multiple BMWs ...

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T#:139551

Part#: 61130005197

In Stock

$ 3.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 3.68 USD

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$ 3.68 USD

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Perfect for repairing damaged wiring in multiple locations of your BMW.

Liqui-Moly Battery Clamp Grease - 50 grams

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T#:1195997

Part#: 20244

In Stock

1% off MSRP $ 6.95

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 6.85 USD

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1% off MSRP

$ 6.95

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 6.85 USD

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Excellent corrosion protection for your battery and other connections

Bav Auto Intake Air Temperature Sensor - BMW E9X M3 S65

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T#:639824

Part#: 13627792203

In Stock

$ 24.99

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

$ 19.99 USD

Limited Qty Sale

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Qty

$ 24.99

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

$ 19.99 USD

Limited Qty Sale

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This sensor provides your BMW's control unit with intake temperature readings in order to run optimally in any condition. If this sensor has failed, your BMW may be suffering from more performance loss than you realize. Replace your IAT sensor to ensure proper temperature readings and restore lost performance! From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Genuine BMW Oil Level Sensor Gasket Ring - Multiple BMWs

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T#:7169

Part#: 12611744292

In Stock

$ 9.99

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$ 7.99 USD

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If you are replacing your oil level sensor for any reason, it is highly recommended that you replace this seal as well to prevent any future leaks. When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

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Genuine BMW Terminal Socket - Mcon 2.8 - Multiple BMWs

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T#:40627

Part#: 12527567482

In Stock

Sale - Save 50% $ 1.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 0.99 USD

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$ 1.99

This product was last offered at the strikethrough price on
05-02-2026

$ 0.99 USD

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Used in a wide variety of BMW connectors, these terminal sockets can come in handy when working on your wiring components.

Stop Light Switch

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T#:31092548

Part#: 61316967601

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$ 13.99 USD

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$ 13.99 USD

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3 Pin Connector

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T#:33412925

Part#: 12521433915

In Stock

Sale - Save 25% $ 10.99

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

$ 8.24 USD

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This product was last offered at the strikethrough price on
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$ 8.24 USD

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Includes connector housing with terminals and seals. Commonly used for the engine oil level sensor.

ECS Tuning replacement harness connectors include all necessary pins and wire seals for a complete harness repair. Whether you have a broken harness connector or need a complete wiring repair, we have the components you need.

Each connector includes an additional terminal in case one becomes lost or damaged during installation.

*OEM cross reference PN# 12521433915 - Commonly used for the engine oil level sensor.

Please reference the original part number from the existing connector to confirm fitment, before ordering.

Suggested tools:

Suggested crimping pliers: T#387193
Wire De-pin tools:
12pc De-Pin Tool Set - T#386379
23pc De-Pin Tool Set - T#641943

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Cloth Webbed Adhesive Tape - 7.5 Meters

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T#:42873702

Part#: 61135B70D27

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Sale - Save 13% $ 11.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 10.49 USD

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$ 11.99

This product was last offered at the strikethrough price on
06-25-2026

$ 10.49 USD

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Blower Motor Temperature Sensor - Priced Each

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2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:403094

Part#: 64116930015

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$ 15.99

This product was last offered at the strikethrough price on
06-29-2026

$ 13.99 USD

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This product was last offered at the strikethrough price on
06-29-2026

$ 13.99 USD

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Part of the HVAC system

Schwaben Self-Adjusting Wire Stripper/Cutter/Crimper

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T#:37622217

Part#: 3774SCH01A

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Sale - Save 15% $ 22.99

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

$ 19.54 USD

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05-03-2026

$ 19.54 USD

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Schwaben's Self-Adjusting Wire Strippers are an essential addition to any garage or toolbox. Engineered with precision and versatility, these wire strippers automatically adapt to various wire sizes, making them perfect for a wide range of automotive and electrical applications.

Crafted with Schwaben's renowned quality standards, this tool ensures reliable performance and long-lasting durability, helping you tackle wiring tasks efficiently and accurately. Whether you're a professional mechanic or a DIY enthusiast, these wire strippers are your go-to solution for seamless and precise wiring repairs.

Key Features:

Ergonomic Design: 6-inch handles with rubber grips provide superior comfort and control during use. Self-Adjusting Stripper Jaws: Serrated jaws offer a secure grip for consistent and accurate stripping. Adjustable Depth Gauge: Enables precise, repeatable wire stripping to match your project’s needs. Wide Range Compatibility: Strips wires ranging from 10 to 24 AWG with ease. Integrated Wire Cutter: Effortlessly slices wires between 10 and 24 AWG. Built-In Crimper: Crimps both insulated and non-insulated wires in sizes from 10 to 22 AWG. Schwaben’s Self-Adjusting Wire Strippers combine precision, convenience, and durability into one must-have tool, ensuring professional results for every project.

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3 Pin Connector

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T#:33412931

Part#: 12527519996

In Stock

Sale - Save 25% $ 10.99

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

$ 8.24 USD

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Qty

Sale - Save 25%

$ 10.99

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

$ 8.24 USD

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Includes connector housing with terminals and seals. Commonly used for the pencil-style ignition coil connector.

ECS Tuning replacement harness connectors include all necessary pins and wire seals for a complete harness repair. Whether you have a broken harness connector or need a complete wiring repair, we have the components you need.

Each connector includes an additional terminal in case one becomes lost or damaged during installation.

*OEM cross reference PN# 12527519996 - Commonly used for the pencil-style ignition coil connector.

Please reference the original part number from the existing connector to confirm fitment, before ordering.

Suggested tools:

Suggested crimping pliers: T#387193
Wire De-pin tools:
12pc De-Pin Tool Set - T#386379
23pc De-Pin Tool Set - T#641943

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