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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.

This category contains parts that fit the following chassis:

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Genuine BMW Socket Housing - 12521427222 - M54 N52

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T#:40132

Part#: 12521427222

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$ 4.99 USD

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Genuine BMW Socket Housing - 3 Pol.
This item fits the following BMW Chassis:
E39,E46,E53 X5,E82,E83 X3,E85

Fits BMW Engines including:
M54,M56,M62,N52N

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Genuine BMW 10 Pole Socket Housing - Multiple BMWs

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T#:540927

Part#: 61139277742

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$ 4.99 USD

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Fixing a faulty connection in your BMWs electrical system? This 10 pole socket housing is a Genuine BMW replacement.

OEM Bosch Starter Relay - E21 320i

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T#:583822

Part#: 61311243207

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$ 4.99 USD

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This is a brand new starter relay from OEM supplier Bosch. If you have replaced your starter and have ruled out every other issue, this relay could restore your starters operation and get your car back up and running.

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Wire With Terminals For 90 Degree 6 Pin Bulkhead - Orange

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T#:38161698

Part#: 201-0360-ORG

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$ 4.99 USD

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Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. Orange in color and 12 Gauge.

Wire With Terminals For 90 Degree 6 Pin Bulkhead (Black) 12 Gauge ...

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T#:38161711

Part#: 201-0360-BLK

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Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. Black in color and 12 Gauge.

Wire With Terminals For 90 Degree 6 Pin Bulkhead - Black - Dual 18 Ga...

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T#:38161710

Part#: 201-0362

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Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. Black in color and 18 Gauge dual wire.

Wire With Terminals For 90 Degree 6 Pin Bulkhead (White)

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T#:38161693

Part#: 201-0360-WHT

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Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. White in color and 12 Gauge.

Wire With Terminals For 90 Degree 6 Pin Bulkhead - Blue

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T#:38161703

Part#: 201-0360-BLU

Ships in 9 Business Days

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Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. Blue in color and 12 Gauge.

Wire With Terminals For 90 Degree 6 Pin Bulkhead - Yellow

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T#:38161692

Part#: 201-0360-YEL

Ships in 9 Business Days

$ 4.99 USD

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Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. Yellow in color and 12 Gauge.

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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$ 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

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T#:45449401

Part#: 021919081D

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$ 4.50 USD

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Make sure your vehicle is reading its oil pressure correctly with a new oil pressure switch.

Bushing Contact With Wire Lead - Priced Each

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T#:14783536

Part#: 61130005199

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$ 3.99 USD

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Wire With Terminals For 90 Degree 6 Pin Bulkhead (Green)

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T#:38161687

Part#: 201-0361-GRN

Ships in 9 Business Days

$ 3.99 USD

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Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. Green in color and 18 Gauge.

URO Premium Upgraded Alternator Gasket - E63,E65

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T#:587670

Part#: 12317507807

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$ 3.99 USD

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Used to seal water cooled alternators

Oil Pressure Switch

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T#:373035

Part#: 61311354274

Back Ordered

$ 3.99 USD

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Make sure your vehicle is reading its oil pressure correctly with a new oil pressure switch.

Woodruff Key - E3, E9

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T#:28559

Part#: 07119951430

Ships in 8 Business Days

$ 3.99 USD

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Genuine BMW WOODRUFF KEY

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

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T#:139551

Part#: 61130005197

Ships in 1-3 days

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

Alternator Bracket Bushing - Priced Each

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T#:592985

Part#: 12311715491

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$ 2.99 USD

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Rubber bushing, placed in the top portion of the alternator support bracket. Each vehicle requires two.

17 X 23 X 3 / FPM RD

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T#:15015283

Part#: 13627792257

Back Ordered

$ 3.99

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

$ 2.99 USD

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Replacement camshaft position sensor o-ring for N57/N57/M57 Diesels

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

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T#:381815

Part#: 12311268433

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$ 2.99 USD

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Reduces alternator vibration.

Oil Pressure Switch

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T#:373034

Part#: 61311351799

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$ 2.99 USD

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Make sure your vehicle is reading its oil pressure correctly with a new oil pressure switch.

Woodruff Key

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T#:28561

Part#: 07119951453

In Stock

Sale - Save 26% $ 3.99

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

$ 2.96 USD

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$ 3.99

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

$ 2.96 USD

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Genuine BMW Woodruff Key
This item fits the following BMW Chassis:
E30 M3,E70 X5M,E71 X6M,E53 48IS,E30,E34,E36,E53 X5 X5,E63,E65,E70 X5,E71 X6,F01,F02,F06,F10,F12,F13,F15,F16

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15A Fuse - Priced Each

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T#:375327

Part#: 61131372626

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$ 2.03 USD

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$ 2.03 USD

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Washer

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T#:215808

Part#: 07119904206

Ships in 2 Business Days

$ 1.99 USD

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Genuine BMW Washer - 07119904206

BUSHING CONTACT

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T#:543048

Part#: 61139232674

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$ 1.99 USD

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A socket contact in the context of BMW refers to an electrical connector component utilized in BMW vehicles. These socket contacts are specifically engineered to establish electrical connections within the car's wiring and electronic systems. They play a vital role in ensuring the proper functioning of various electrical components, spanning from the vehicle's engine to its interior features. BMW socket contacts are meticulously designed to align with the brand's stringent criteria for quality and dependability, underscoring their significance in upholding the electrical systems and overall performance of the vehicle.

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Battery Wiring Cap - E38, E39, E46

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T#:113025

Part#: 51478206645

Ships in 5 Business Days

$ 1.99 USD

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Genuine BMW Battery Wiring Cap
This item fits the following BMW Chassis:
E39 M5,E38,E39,E46

Oil Pressure Switch

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T#:591879

Part#: 12611277642

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$ 1.99 USD

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Your vehicle is equipped with numerous gauges to allow you to have a better idea of what is going on under the hood. By monitoring these gauges, you can prevent premature engine damage due to low oil pressure or high coolant temperatures. If one isn't functional though, you are in the dark as far as that system goes. One of the most vital is the oil pressure. Replace the sensor to get your gauge working properly again.

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Crankshaft Sensor O-Ring (18 X 1.2 Mm)

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T#:13233505

Part#: 12141402705

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$ 1.49 USD

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This O-Ring can sometimes leak at the bottom of your engine and need to be replaced. Fits around the head of the lower crankshaft sensor and provides a connection point.

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
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$ 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.

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