BMW Electrical Sensors, Switches, & Relays for BMW I01 i3 IB3

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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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Innovate LC-2 Wideband O2 Controller Kit
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Innovate Motorsports - Corporate Logo
T#:28836410
Part#: 38770
In Stock
$ 212.99 USD
Free Shipping on orders $49 and up

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)

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Superior Bass Sports Horn Kit 330Hz + 400Hz 112Db
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PIAA - Corporate Logo
T#:31158805
Part#: 85115
Ships on Aug 24, 2026
$ 77.99 USD
Free Shipping on orders $49 and up
Superior Bass Sports Horn Kit 330Hz + 400Hz 112Db

The Superior Bass Sports Horn Kit 330Hz + 400Hz 112Db is designed to make sure your presence is known with powerful, attention-grabbing sound. These high-performance sports horns feature:

  • Impressive Loudness: Delivers a powerful 112 decibels, ensuring you’re heard in any situation.
  • Dual Frequency: Includes 330Hz and 400Hz horns for a dynamic and distinct sound.
  • Lightweight & Durable: Constructed for easy installation with weather-resistant covers, built to withstand the elements.
  • Easy Installation: Quick and straightforward to install, enhancing vehicle safety with minimal effort.

The kit is a must-have for anyone looking to enhance their vehicle’s horn performance and visibility on the road.

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Bass Tone Sports Horn Kit 400Hz + 500Hz, 115Db
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PIAA - Corporate Logo
T#:31589317
Part#: 85110
Ships in 9 Business Days
$ 77.99 USD
Free Shipping on orders $49 and up

OMP Battery Cut Off Switch / Kill Switch
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OMP - Corporate Logo
T#:1614
Part#: EA-462
Back Ordered
$ 65.00 USD
Free Shipping
$ 65.00 USD
Free Shipping
OMP Battery Cut Off Switch / Kill Switch, for use in racecars as an emergency "kill switch", to depower the electrical system in the event of a crash or other emergency. This cut off switch is FIA approved, has 6 poles and alternator protection, as well as a removable key.
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Precision Raceworks Ethanol Sensor Breakout Harness
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Precision Raceworks - Corporate Logo
T#:35559424
Part#: 201-0411
In Stock
$ 35.99

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

$ 34.99 USD
Free Shipping on orders $49 and up
$ 34.99 USD
Free Shipping on orders $49 and up
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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EV Charging Extension Cord - 50-foot NEMA 14-50
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EVANNEX - Corporate Logo
T#:22987103
Part#: CHRG-EXT-50
In Stock
$ 359.99 USD
$ 359.99 USD

EVANNEX offers a versatile 50-foot charging cable extension compatible with NEMA 14-50 connectors, seamlessly integrating with home or mobile chargers. This extension cord augments your existing charger's reach by up to 70 feet, enabling access to distant power sources from your BMW or MINI vehicle.

Key benefits of EVANNEX's charging cable extension:

  • Extends charging range up to 70 feet from your vehicle.
  • Ergo Grip Handle facilitates easier unplugging of heavy power cords.
  • Built-in LED indicator for convenient power activation testing.
  • Enables charging from distant power sources like clothes dryer or AC outlets.

For enhanced charging accessibility during road trips, pair EVANNEX's extension with road trip charging adapters, allowing connection to popular RV hookups, dryer connections, air conditioner plugs, and more.

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LK-2M 2 Pin Connector Package
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ECS - Corporate Logo
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
Free Shipping on orders $49 and up
Sale - Save 29%
$ 6.99

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

$ 4.94 USD
Free Shipping on orders $49 and up

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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EV Charging Extension Cord - 30-foot NEMA 14-50
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EVANNEX - Corporate Logo
T#:22987081
Part#: CHRG-EXT
In Stock
$ 199.99 USD
Free Shipping on orders $49 and up

The EVANNEX 30-foot charging cable extension integrates seamlessly with NEMA 14-50 connectors found in various home or mobile chargers.

Compatible with BMW or MINI electric vehicles, this extension cord extends the charging range to reach power sources up to 50 feet away.

  • Integration with most NEMA 14-50 chargers
  • Ability to connect to distant power sources
  • Ergo Grip Handle for secure handling
  • Built-in LED indicator for easy power activation confirmation
  • Enhanced charging accessibility for on-the-go use
  • Ideal for connecting to unconventional power outlets like RV hookups, dryers, or air conditioner plugs
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Wire With Terminals For 90 Degree 6 Pin Bulkhead (Red)
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Precision Raceworks - Corporate Logo
T#:38161695
Part#: 201-0360-RED
Ships in 7 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.

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


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

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

Morimoto Standalone Can-Bus Wiring Harness - H4 / 9003 - Priced Each ...
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Morimoto - Corporate Logo
T#:54388428
Part#: H240
Ships on Jul 14, 2026
New Item
Sale - Save 17% $ 21.99

This product was last offered at the strikethrough price on
06-23-2026

$ 18.21 USD
Free Shipping on orders $49 and up
Sale - Save 17%
$ 21.99

This product was last offered at the strikethrough price on
06-23-2026

$ 18.21 USD
Free Shipping on orders $49 and up
2 Pin Connector
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ECS - Corporate Logo
T#:33412932
Part#: 61132359999
Ships on Jul 28, 2026
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

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