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BMW E46 Engine Electrical Parts

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Ignition Coil, Delphi Style, 6-Pack

ES#5435308 - MMIG-BMW-0706 - Ignition Coil, Delphi Style, 6-Pack - A high-quality replacement designed to restore the factory performance and fuel efficiency of your 3.0L N54 engine. - Mishimoto - BMW

A high-quality replacement designed to restore the factory performance and fuel efficiency of your 3.0L N54 engine.

Brand:
Mishimoto - Corporate Logo
ES#:
5435308
Mfg#:
MMIG-BMW-0706
Ships in 3 Business Days
$204.99 USD
Free Shipping
on orders $49 and up

Turner Plug-And-Play Alpha-N IAT Sensor Relocation Kit

ES#4304669 - 014579TMSKT1 - Turner Plug-And-Play Alpha-N IAT Sensor Relocation Kit - Reposition your intake air temperature sensor to maintain more accurate readings to maximize power output - Turner Motorsport - BMW

Reposition your intake air temperature sensor to maintain more accurate readings to maximize power output 10X Entries Into Our F80 M3 Sweepstakes
Alleviate heat soak on the street or track.

Brand:
Turner Motorsport - Corporate Logo
ES#:
4304669
Mfg#:
014579TMSKT1
In Stock
ON SALE! SAVE 25%
$150.99

This product was last offered at the strikethrough price on
06-13-2026

$113.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adapter Lead

ES#30840 - 12514592703 - Adapter Lead - Used to repair crankshaft position sensors - Genuine BMW - BMW

Used to repair crankshaft position sensors

Brand:
Genuine BMW - Corporate Logo
ES#:
30840
Mfg#:
12514592703
Ships in 1-2 days
3% off MSRP

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

$113.99

This product was last offered at the strikethrough price on
10-23-2026

$110.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pedal 2 Metal Throttle Enhancer - BMW & MINI

ES#4940052 - 77-20007 - Pedal 2 Metal Throttle Enhancer - BMW & MINI - Remove the throttle lag and get more instant response. - AFE - BMW MINI

Remove the throttle lag and get more instant response.

Brand:
AFE - Corporate Logo
ES#:
4940052
Mfg#:
77-20007
In Stock
ON SALE!
$268.00

This product was last offered at the strikethrough price on
10-19-2026

$247.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Battery Tray

ES#129979 - 51718237364 - E46 Battery Tray - For trunk mounted batteries - Genuine BMW - BMW

For trunk mounted batteries

Brand:
Genuine BMW - Corporate Logo
ES#:
129979
Mfg#:
51718237364
Ships in 1-2 days
1% off MSRP

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

$90.99

This product was last offered at the strikethrough price on
10-23-2026

$89.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Battery Cable - Negative

ES#163623 - 61128373946 - Battery Cable - Negative - Connected to the negative battery terminal and grounds on the chassis - Genuine BMW - BMW

Connected to the negative battery terminal and grounds on the chassis

Brand:
Genuine BMW - Corporate Logo
ES#:
163623
Mfg#:
61128373946
In Stock
2% off MSRP

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

$58.99

This product was last offered at the strikethrough price on
07-06-2026

$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#240369 - 12147518628 - Camshaft Position Sensor - Exhaust side - Febi - BMW

Exhaust side We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
240369
Mfg#:
12147518628
Ships in 1 Business Day
$48.99

This product was last offered at the strikethrough price on
08-26-2026

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2 Pin Connector

ES#4772597 - 61132359999 - 2 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the coolant level sensor. - ECS - BMW MINI

Includes connector housing with terminals and seals. Commonly used for the coolant level sensor. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4772597
Mfg#:
61132359999
In Stock
ON SALE! SAVE 25%
$10.99

This product was last offered at the strikethrough price on
06-13-2026

$8.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 120amp

ES#2724217 - 12317831436 - Alternator - 120amp - Brand new unit with no core charge. - Valeo - BMW

Brand new unit with no core charge. We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
2724217
Mfg#:
12317831436
In Stock at Vendor
$522.00

This product was last offered at the strikethrough price on
07-16-2026

$477.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Schwaben Self-Adjusting Wire Crimper & Stripper Pliers

ES#4826864 - 3774SCH01A - Schwaben Self-Adjusting Wire Crimper & Stripper Pliers - Make wiring harness repairs with ease! Featuring adjustable, ratcheting wire stripper jaws for efficient insulation removal. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Make wiring harness repairs with ease! Featuring adjustable, ratcheting wire stripper jaws for efficient insulation removal. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
4826864
Mfg#:
3774SCH01A
In Stock
ON SALE! SAVE 15%
$22.99

This product was last offered at the strikethrough price on
05-02-2026

$19.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Engine Wiring Harness

ES#30907 - 12517523220 - E46 Engine Wiring Harness - Connects the ECU to various engine components - Genuine BMW - BMW

Connects the ECU to various engine components For vehicles with production date from 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
30907
Mfg#:
12517523220
In Stock
Limited Qty Sale
$504.99

This product was last offered at the strikethrough price on
08-26-2026

$463.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EGT Sensor

ES#27307 - 11787831624 - EGT Sensor - Exhaust gas temperature sensor for the S54 engine - Genuine BMW - BMW

Exhaust gas temperature sensor for the S54 engine

Brand:
Genuine BMW - Corporate Logo
ES#:
27307
Mfg#:
11787831624
Ships in 1-2 days
6% off MSRP

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

$162.99

This product was last offered at the strikethrough price on
10-23-2026

$153.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Throttle Position Sensor - Priced Each

ES#4871128 - 13637840383 - Throttle Position Sensor - Priced Each - This is the sensor used on individual throttle bodies engines - URO - BMW

This is the sensor used on individual throttle bodies engines 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
2 required per vehicle, One on throttle actuator and one on end of throttle body assembly

Brand:
URO - Corporate Logo
ES#:
4871128
Mfg#:
13637840383
Back Ordered
$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#1897568 - 12137599219 - Ignition Coil - Priced Each - Get your engine working flawlessly with these new ignition coils - Genuine BMW - BMW

Get your engine working flawlessly with these new ignition coils

Brand:
Genuine BMW - Corporate Logo
ES#:
1897568
Mfg#:
12137599219
Ships on Apr 16, 2027
$114.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Camshaft Position Sensor - Priced Each

ES#2813879 - 13627796054 - Exhaust Camshaft Position Sensor - Priced Each - Located on rear of the cylinder head, sensing the exhaust cam - Hamburg Tech - BMW

Located on rear of the cylinder head, sensing the exhaust cam We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813879
Mfg#:
13627796054
In Stock
$69.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#4316486 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - Bavarian Autosport - BMW

Monitors coolant / oil temperature 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4316486
Mfg#:
13621433076
In Stock
ON SALE! SAVE 20%
$14.99

This product was last offered at the strikethrough price on
05-02-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Electrical Parts

With automotive electrical content growing yearly, it has never been more important to keep your charging and electrical system in top working condition. ECS Tuning stocks a huge and constantly growing inventory of electrical sensors, electric motors, and electronic actuators from original equipment and name-brand aftermarket suppliers.

Let us help you find the parts that fit your BMW

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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