BMW Electrical Sensors, Switches, & Relays for BMW 7 Series E23 (1978-1987)

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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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Hella - Corporate Logo
T#:592716
Part#: 7424011
In Stock
$ 17.99 USD
Free Shipping on orders $49 and up

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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Febi Relay - Replaces White/Green
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:16375128
Part#: 61368373700
Ships on Feb 1, 2027
Sale - Save 28% $ 15.99

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

$ 11.56 USD
Free Shipping on orders $49 and up
Sale - Save 28%
$ 15.99

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

$ 11.56 USD
Free Shipping on orders $49 and up
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
3 Pin Connector
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:33412930
Part#: 12521706096
In Stock
Sale - Save 11% $ 10.99

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

$ 9.78 USD
Free Shipping on orders $49 and up
Sale - Save 11%
$ 10.99

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

$ 9.78 USD
Free Shipping on orders $49 and up

Includes connector housing with terminals and seals. Commonly used for the idle air control valve (IACV).

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# 12521706096 - Commonly used for the idle air control valve (IACV).

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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Genuine BMW - Corporate Logo
T#:7139
Part#: 12317677914
In Stock
$ 15.23 USD
Free Shipping on orders $49 and up
GENUINE BMW ENGINE ELECTRICAL IDLER 12317677914

Genuine BMW - Corporate Logo
T#:42873702
Part#: 61135B70D27
Ships on Apr 27, 2027
$ 11.99 USD
Free Shipping on orders $49 and up
Genuine BMW - Corporate Logo
T#:528834
Part#: 61132359992
Ships in 1-2 days
7% off MSRP $ 14.99

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

$ 13.99 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 14.99

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

$ 13.99 USD
Free Shipping on orders $49 and up

Hella - Corporate Logo
T#:592718
Part#: 965400001
In Stock
$ 14.99 USD
Free Shipping on orders $49 and up
12V 30A SPST relay with bracket
Liqui-Moly Battery Clamp Grease - 50 grams
10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Liqui-Moly - Corporate Logo
T#:1195997
Part#: 20244
In Stock
30% 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.

$ 5.59 USD
Free Shipping on orders $49 and up
30% 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.

$ 5.59 USD
Free Shipping on orders $49 and up
Excellent corrosion protection for your battery and other connections

Performance Tool - Corporate Logo
T#:1809154
Part#: W5368
Ships in 1 Business Day
$ 13.68 USD
Free Shipping on orders $49 and up
A must for any toolbox.

Hella - Corporate Logo
T#:7175
Part#: 12631708646
Back Ordered
$ 21.99

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

$ 19.99 USD
Free Shipping on orders $49 and up
$ 19.99 USD
Free Shipping on orders $49 and up
This part has been superseded to BMW Part 12631708647
Bosch - Corporate Logo
T#:375327
Part#: 61131372626
In Stock at Vendor
$ 2.03 USD
Free Shipping on orders $49 and up
Wehrle - Corporate Logo
T#:31522987
Part#: 61311371909
Ships in 1 Business Day
$ 20.37

This product was last offered at the strikethrough price on
07-15-2026

$ 18.46 USD
Free Shipping on orders $49 and up
$ 18.46 USD
Free Shipping on orders $49 and up


Bosch - Corporate Logo
T#:29898445
Part#: 13621362599
Ships in 1 Business Day
$ 274.99

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

$ 260.99 USD
Free Shipping on orders $49 and up
$ 260.99 USD
Free Shipping on orders $49 and up
Genuine BMW Temperature-Time Switch
Genuine BMW - Corporate Logo
T#:540927
Part#: 61139277742
Ships in 1-2 days
$ 4.99 USD
Free Shipping on orders $49 and up
Fixing a faulty connection in your BMWs electrical system? This 10 pole socket housing is a Genuine BMW replacement.

Washer
10X5,3X1-200 Hv
Genuine BMW - Corporate Logo
T#:215808
Part#: 07119904206
Ships in 4 Business Days
$ 1.99 USD
Free Shipping on orders $49 and up
$ 1.99 USD
Free Shipping on orders $49 and up


Genuine BMW Washer - 07119904206


Genuine BMW - Corporate Logo
T#:38730
Part#: 12311276226
Ships in 4 Business Days
$ 9.99 USD
Free Shipping on orders $49 and up


Genuine BMW Lock Ring

This item fits the following BMW Chassis:
E30 M3,E30

Fits BMW Engines including:
M10,M20,M30,S14,S38

Genuine BMW - Corporate Logo
T#:21280
Part#: 61138352304
In Stock
6% 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.

$ 29.99 USD
Free Shipping on orders $49 and up
6% 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.

$ 29.99 USD
Free Shipping on orders $49 and up


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 - Corporate Logo
T#:38719
Part#: 12311268420
Ships in 4 Business Days
$ 10.99 USD
Free Shipping on orders $49 and up


Genuine BMW Washer

This item fits the following BMW Chassis:
E30 M3,E30

Fits BMW Engines including:
M10,M20,M30,S14,S38

Genuine BMW - Corporate Logo
T#:154534
Part#: 65311720876
Ships in 4 Business Days
10% off MSRP $ 9.99

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

$ 8.99 USD
Free Shipping on orders $49 and up
10% off MSRP
$ 9.99

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

$ 8.99 USD
Free Shipping on orders $49 and up


Genuine BMW Earth Strap For Engine Hood
This item fits the following BMW Chassis:
E34 M5,E34


Genuine BMW - Corporate Logo
T#:206288
Part#: 61132359999
In Stock
$ 19.99 USD
Free Shipping on orders $49 and up
This is a Genuine BMW 2 pin connector that is used in many places by BMW.

Genuine BMW - Corporate Logo
T#:21711
Part#: 12311708343
Ships in 7 Business Days
3% off MSRP $ 158.99

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

$ 153.99 USD
Free Shipping
3% off MSRP
$ 158.99

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

$ 153.99 USD
Free Shipping
Genuine BMW SUPPORTING BRACKET
Fits BMW Engines including:
M30,S38

Precision Raceworks - Corporate Logo
T#:38161695
Part#: 201-0360-RED
Ships in 10 Business Days
$ 5.99 USD
Free Shipping on orders $49 and up
Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. Red in color and 12 Gauge.


Genuine BMW - Corporate Logo
T#:55281746
Part#: 125275WRKT
Ships in 7 Business Days
New Item
$ 37.40 USD
Free Shipping on orders $49 and up
This Genuine BMW wiring repair kit is the ideal solution to refresh worn-out terminal connections in your Ultimate Driving Machine.
Precision Raceworks - Corporate Logo
T#:38161687
Part#: 201-0361-GRN
Ships in 10 Business Days
$ 3.99 USD
Free Shipping on orders $49 and up
Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. Green in color and 18 Gauge.
Precision Raceworks - Corporate Logo
T#:38161698
Part#: 201-0360-ORG
Ships in 10 Business Days
$ 4.99 USD
Free Shipping on orders $49 and up
Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. Orange in color and 12 Gauge.

Precision Raceworks - Corporate Logo
T#:38161692
Part#: 201-0360-YEL
Ships in 10 Business Days
$ 4.99 USD
Free Shipping on orders $49 and up
Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. Yellow in color and 12 Gauge.

Precision Raceworks - Corporate Logo
T#:38161711
Part#: 201-0360-BLK
Ships in 10 Business Days
$ 4.99 USD
Free Shipping on orders $49 and up
Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. Black in color and 12 Gauge.
Precision Raceworks - Corporate Logo
T#:38161703
Part#: 201-0360-BLU
Ships in 10 Business Days
$ 4.99 USD
Free Shipping on orders $49 and up
Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. Blue in color and 12 Gauge.

Precision Raceworks - Corporate Logo
T#:38161710
Part#: 201-0362
Ships in 10 Business Days
$ 4.99 USD
Free Shipping on orders $49 and up
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.
Precision Raceworks - Corporate Logo
T#:38161693
Part#: 201-0360-WHT
Ships in 10 Business Days
$ 4.99 USD
Free Shipping on orders $49 and up
Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. White in color and 12 Gauge.


ZF - Corporate Logo
T#:16840480
Part#: 24341218551
Ships on Nov 18, 2026
$ 61.60 USD
Free Shipping on orders $49 and up
This ZF transmission speed sensor/pulse generator helps to control the shifting on your automatic transmission. If the transmission on your BMW is not shifting correctly this part may be the culprit. Cars with a 5-speed automatic transmission may require 2 sensors.
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FAE - Corporate Logo
T#:16202
Part#: 61311354274
Ships on Nov 25, 2026
$ 7.13 USD
Free Shipping on orders $49 and up
OIL PRESSURE SWITCH
Bosch - Corporate Logo
T#:57231540
Part#: 12311466084
Special Order: No Guaranteed ETA
New Item
$ 286.99 USD
Free Shipping on orders $49 and up
Ensure your BMW or European vehicle maintains uninterrupted power under demanding driving conditions with this premium remanufactured alternator by Bosch.


2 Pin Connector
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:33412932
Part#: 61132359999
In Stock
Sale - Save 25% $ 10.99

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

$ 8.24 USD
Free Shipping on orders $49 and up
Sale - Save 25%
$ 10.99

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

$ 8.24 USD
Free Shipping on orders $49 and up

Includes connector housing with terminals and seals. Commonly used for the coolant 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# 61132359999 - Commonly used for the coolant 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

Show More Show Less
Oil Pressure Switch
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373035
Part#: 61311354274
Back Ordered
$ 3.99 USD
Free Shipping on orders $49 and up
Make sure your vehicle is reading its oil pressure correctly with a new oil pressure switch.