Home
Engine Parts
Electrical System

BMW Electrical Sensors, Switches, & Relays for BMW 3 Series E93 (2007-2013)

Clear BMW chassis

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.

Sub-Categories

Sort By:

Camshaft Position Sensor - Priced Each

Two required per engine, may be replaced separately as needed.

10X Entries Into Our F80 M3 Sweepstakes

T#:27105154

Part#: 13627525014

In Stock

Sale - Save 17% $ 41.99

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

$ 34.84 USD

Add to Wish List

Qty

Sale - Save 17%

$ 41.99

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

$ 34.84 USD

Add to Wish List

Engine Oil Temperature Sensor

10X Entries Into Our F80 M3 Sweepstakes

T#:36777927

Part#: 13627580635

In Stock

Sale - Save 21% $ 26.99

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

$ 21.21 USD

Add to Wish List

Qty

Sale - Save 21%

$ 26.99

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

$ 21.21 USD

Add to Wish List

Innovate LC-2 Wideband O2 Controller Kit

T#:28836410

Part#: 38770

In Stock at Vendor

$ 212.99 USD

Add to Wish List

Qty

$ 212.99 USD

Add to Wish List

Features & Benefits:

Two configurable linear 0-5V analog outputs Ability to calibrate O2 sensors for maximum accuracy Includes LC-2 controller and Bosch wideband O2 sensor Comes with a program cable, manual, and a 10 ft. sensor cable Includes a 1-inch mild steel exhaust bung Innovate MTS serial in/out capability Integrated dual-color status LED (green/red) Patented DirectDigital™ wideband sensor control Positive lock connectors for all connections Real-time display data on screen or with the powerful LogWorks software Range:

AFR (Air-Fuel Ratio) range from 7.4:1 to 22.4:1 (0.5 to 1.5 lambda)

Show More Show Less

Eccentric Shaft Sensor

10X Entries Into Our F80 M3 Sweepstakes

T#:34114242

Part#: 11377524879

In Stock

Sale - Save 20% $ 165.99

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

$ 132.18 USD

Add to Wish List

Qty

Sale - Save 20%

$ 165.99

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

$ 132.18 USD

Add to Wish List

MSD80 Replacement Mosfets - Pack of 10

For Vehicles With MSD80 DME Only

10X Entries Into Our F80 M3 Sweepstakes

T#:28537553

Part#: MSD80FIX

In Stock

Sale - Save 11% $ 37.99

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

$ 33.84 USD

Add to Wish List

Qty

Sale - Save 11%

$ 37.99

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

$ 33.84 USD

Add to Wish List

Are you tired of worrying about your MSD80 DME's Mosfets failing? Why replace your MSD80 with a costly MSD81 and worry about paying for a new tuning license, when you can simply repair your MSD80 DME at home to last for many years to come! Included in this kit: -10 MSD80 Replacement Mosfets Applicable Only to Vehicles Equipped With the MSD80 DME (not MSD81). Bremmen Parts offers an OE-like replacement to remedy the following DME-related codes: 30BA - DME Digital Motor Electronics, Internal Failure 30BB - DME Digital Motor Electronics, Internal Failure 29D9 - Misfire with Low Fuel Level 29CC - Misfire Multiple Cylinders 29CD - Cylinder 1 Misfire 29CE - Cylinder 2 Misfire 29CF - Cylinder 3 Misfire 29D0 - Cylinder 4 Misfire 29D1 - Cylinder 5 Misfire 29D2 - Cylinder 6 Misfire

Show More Show Less

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

10X Entries Into Our F80 M3 Sweepstakes

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

Add to Wish List

Qty

Sale - Save 24%

$ 13.99

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

$ 10.67 USD

Add to Wish List

120 pc Fuse Assortment

T#:1809154

Part#: W5368

In Stock

$ 13.68 USD

Add to Wish List

Qty

$ 13.68 USD

Add to Wish List

A must for any toolbox.

Hitachi Camshaft Position Sensor - BMW E9X F3X F8X N20 N52 N55 S55 ...

T#:48815454

Part#: 13627525014

Ships in 6 Business Days

$ 40.00 USD

Add to Wish List

Qty

$ 40.00 USD

Add to Wish List

The camshaft position sensor communicates the position of the camshaft to the computer. This helps the computer to calculate proper spark and fuel control. If you're struggling with CELs, hard starts or no starts, stalling, and/or a rough idle, you may need to replace the cam position sensor.

Show More Show Less

Hitachi Engine Crankshaft Position Sensor - BMW N52 N54 S85 S65 S63 ...

T#:48815471

Part#: 13627525015

Ships in 6 Business Days

$ 66.99 USD

Add to Wish List

Qty

$ 66.99 USD

Add to Wish List

The crankshaft position sensor transmits the crankshaft's position to the computer. This helps the computer to calculate proper spark and fuel control. If you're struggling with CELs, hard starts or no starts, stalling, and/or a rough idle, you may need to replace the crank position sensor.

Show More Show Less

Hitachi Engine Crankshaft Position Sensor - BMW F2X F3X

T#:48850074

Part#: 13627582842

Ships in 6 Business Days

$ 184.99 USD

Add to Wish List

Qty

$ 184.99 USD

Add to Wish List

Engine cranks but doesn't start? This sensor is often the issue.

Positive Cable Battery Connection Pole

10X Entries Into Our F80 M3 Sweepstakes

T#:57616371

Part#: 61129217031

Ships on Jan 11, 2027

Sale - Save 10% $ 135.99

This product was last offered at the strikethrough price on
10-08-2026

$ 122.39 USD

Add to Wish List

Qty

Sale - Save 10%

$ 135.99

This product was last offered at the strikethrough price on
10-08-2026

$ 122.39 USD

Add to Wish List

Select Vehicle

Purpose

Category

Electrical System

Brand

View All Brands

Price

Special Offers

Shipping

Free Shipping on orders $49+ (11)