BMW Electrical Sensors, Switches, & Relays for BMW E9 3.0CS M30 3.0L

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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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Genuine BMW 5 Prong Salmon Relay - Multiple BMWs
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T#:5390
Part#: 12631742690
In Stock
7% off MSRP $ 24.65

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$ 22.99 USD
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7% off MSRP
$ 24.65

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

$ 22.99 USD
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This relay is used for the SMG system on the E46 M3 and various applications including secondary air systems on other BMW's. If you find that your SMG-equipped E46 M3 is not starting, this is one of the first places to check as it controls power to the hydraulic unit (the car will not start without hydraulics). Buy one to fix the issue and buy a second so you're not stranded in the future!
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Genuine BMW White Green Relay - Multiple BMWs
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Genuine BMW - Corporate Logo
T#:11798
Part#: 61368373700
In Stock
4% off MSRP $ 24.65

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

$ 23.59 USD
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4% off MSRP
$ 24.65

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

$ 23.59 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.
Braille Performance Lightweight AGM Battery - B14115 - 11.5lbs ...
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Braille - Corporate Logo
T#:558037
Part#: B14115
Ships in 5 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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Braille Performance Lightweight Advanced AGM Battery - B2015 - 15lbs ...
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T#:558038
Part#: B2015
Ships in 7 Business Days
$ 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 6 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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Genuine BMW Fuse box cover - E9
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Genuine BMW - Corporate Logo
T#:10450
Part#: 61131352400
Ships in 3 Business Days
3% off MSRP $ 31.99

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

$ 30.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 31.99

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

$ 30.99 USD
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GENUINE BMW CHASSIS ELECTRICAL COVER 61131352400.--

This item fits the following BMWs:

BMW 2002 - 2002, 2002tii

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Genuine BMW Socket repair kit
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Genuine BMW - Corporate Logo
T#:207094
Part#: 61132359996
In Stock
Sale - Save 8% $ 29.99

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

$ 27.74 USD
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Sale - Save 8%
$ 29.99

This product was last offered at the strikethrough price on
06-15-2026

$ 27.74 USD
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Genuine BMW Rep. Kit For Socket Housing - 4 Pol.
This item fits the following BMW Chassis:
E46 M3,E46,E85 Z4,E90,F30,F31,F32,F33,F34,F36,F80 M3,F82 M4,F83

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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Fan Wheel - E10, E12, E21, E23, E24, E28, E3, E9
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Genuine BMW - Corporate Logo
T#:38759
Part#: 12311350199
Ships in 9 Business Days
4% off MSRP $ 53.99

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

$ 51.99 USD
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4% off MSRP
$ 53.99

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

$ 51.99 USD
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Genuine BMW FAN WHEEL

Fits BMW Engines including:
M10,M20,M30


Genuine BMW Terminal Socket - Mcon 2.8 - Multiple BMWs
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Genuine BMW - Corporate Logo
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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Sale - Save 50%
$ 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.
Cloth Webbed Adhesive Tape - 7.5 Meters
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Genuine BMW - Corporate Logo
T#:42873702
Part#: 61135B70D27
In Stock
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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Sale - Save 13%
$ 11.99

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

$ 10.49 USD
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Repair Kit For Socket
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Genuine BMW - Corporate Logo
T#:528834
Part#: 61132359992
Ships in 3 Business Days
Sale - Save 6% $ 13.99

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

$ 13.12 USD
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Sale - Save 6%
$ 13.99

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

$ 13.12 USD
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Washer
10X5,3X1-200 Hv
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Genuine BMW - Corporate Logo
T#:215808
Part#: 07119904206
Ships in 3 Business Days
$ 1.99 USD
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$ 1.99 USD
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Genuine BMW Washer - 07119904206

Genuine BMW Universal Socket Housing
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T#:21280
Part#: 61138352304
Ships in 6 Business Days
7% off MSRP $ 28.99

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

$ 26.99 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 28.99

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

$ 26.99 USD
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Genuine BMW Universal Socket Housing, Uncoded - 3 Pol.
This item fits the following BMW Chassis:
E36 M3,E34 M5,E39 M5,E60 M5,E46 M3,E70 X5M,E71 X6M,E82 1M Coupe,E53 48IS,E34,E36,E38,E39,E46,E53 X5,E65,E70 X5,E71 X6,E82,E83 X3,E89 Z4,E90,F01,F02,F06,F10,F12,F13

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Genuine BMW 10 Pole Socket Housing - Multiple BMWs
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T#:540927
Part#: 61139277742
Ships in 3 Business Days
$ 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.

REGULATOR
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Genuine BMW - Corporate Logo
T#:409144
Part#: 12321350052
Ships in 6 Business Days
6% off MSRP $ 107.99

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

$ 100.99 USD
Free Shipping on orders $49 and up
6% off MSRP
$ 107.99

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

$ 100.99 USD
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Genuine BMW Electrical Connector Repair Kit - Multiple BMWs ...
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Genuine BMW - Corporate Logo
T#:206288
Part#: 61132359999
In Stock
$ 19.99 USD
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This is a Genuine BMW 2 pin connector that is used in many places by BMW.
Genuine BMW Voice Recognition SES Adapter Plug - Multiple BMWs ...
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T#:11467
Part#: 84110018038
In Stock
$ 6.99 USD
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Woodruff Key - E3, E9
3X3,7
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Genuine BMW - Corporate Logo
T#:28559
Part#: 07119951430
Ships in 9 Business Days
$ 3.99 USD
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$ 3.99 USD
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Genuine BMW WOODRUFF KEY
Wire Pinning Kit - MLK 1.2 Female Jack
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T#:55281746
Part#: 125275WRKT
Ships in 9 Business Days
New Item
$ 37.40 USD
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This Genuine BMW wiring repair kit is the ideal solution to refresh worn-out terminal connections in your Ultimate Driving Machine.