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BMW E46 330Ci M54 3.0L

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BMW E46 330Ci M54 3.0L Engine Electrical Parts

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E46 Battery Safety Cable Repair Kit

ES#163802 - 61128387512 - E46 Battery Safety Cable Repair Kit - If your car was involved in an accident, it will not start without replacing the safety terminal - Genuine BMW - BMW

If your car was involved in an accident, it will not start without replacing the safety terminal

Brand:
Genuine BMW - Corporate Logo
ES#:
163802
Mfg#:
61128387512
Back Ordered
$397.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

GENIUS 6V / 12V 1 Amp Battery Charger - NOCO

ES#4336355 - GENIUS1 - GENIUS 6V / 12V 1 Amp Battery Charger - NOCO - The GENIUS1 is similar to the G750, just better. It's 35% smaller and delivers 35% more power. And it's simpler and easier to use than ever before. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The GENIUS1 is similar to the G750, just better. It's 35% smaller and delivers 35% more power. And it's simpler and easier to use than ever before.

Brand:
NOCO - Corporate Logo
ES#:
4336355
Mfg#:
GENIUS1
Ships in 8 Business Days
25% off MSRP

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

$39.95

This product was last offered at the strikethrough price on
09-25-2026

$29.94 USD
Free Shipping
on orders $49 and up

Ignition Coil, 4-Pack

ES#5435316 - MMIG-BMW-0204 - Ignition Coil, 4-Pack - Designed to restore the factory performance and fuel efficiency of a wide range of BMW models from 2002 to 2016. - Mishimoto - BMW

Designed to restore the factory performance and fuel efficiency of a wide range of BMW models from 2002 to 2016.

Brand:
Mishimoto - Corporate Logo
ES#:
5435316
Mfg#:
MMIG-BMW-0204
Ships in 3 Business Days
$123.99 USD
Free Shipping
on orders $49 and up

Intake Temperature Sensor

ES#3023844 - 13621739510 - Intake Temperature Sensor - Monitors intake air temperature - Hella - BMW
ECS Tuning recommends this product.

Monitors intake air temperature

Brand:
Hella - Corporate Logo
ES#:
3023844
Mfg#:
13621739510
Back Ordered
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#2813630 - 12141709616 - Crankshaft Position Sensor - Does not include O-ring - Hamburg Tech - BMW

Does not include O-ring We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813630
Mfg#:
12141709616
Ships in 1 Business Day
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Precision Raceworks Ethanol Sensor Breakout Harness

ES#4858864 - 201-0411 - Precision Raceworks Ethanol Sensor Breakout Harness - This breakout harness isolates the signal wire from your flex fuel sensor, allowing an external gauge to access the signal without modifying your existing flex fuel harness. - Precision Raceworks - Audi BMW Volkswagen

This breakout harness isolates the signal wire from your flex fuel sensor, allowing an external gauge to access the signal without modifying your existing flex fuel harness.

Brand:
Precision Raceworks - Corporate Logo
ES#:
4858864
Mfg#:
201-0411
In Stock
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3 Pin Connector

ES#4772586 - 12521732596 - 3 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the camshaft position sensor. - ECS - BMW

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

Brand:
ECS - Corporate Logo
ES#:
4772586
Mfg#:
12521732596
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

Oxygen Sensor - Front Manifold

ES#27239 - 11787514926 - Oxygen Sensor - Front Manifold - Located in the rear position of the exhaust manifold - Genuine BMW - BMW

Located in the rear position of the exhaust manifold For vehicles with production date from 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
27239
Mfg#:
11787514926
Ships in 1-2 days
Limited Qty Sale
$369.99

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

$340.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Rear Manifold

ES#27240 - 11787514927 - Oxygen Sensor - Rear Manifold - Located in the rear position of the exhaust manifold - Genuine BMW - BMW

Located in the rear position of the exhaust manifold For vehicles with production date from 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
27240
Mfg#:
11787514927
Ships in 1-2 days
Limited Qty Sale
$369.99

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

$340.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Re-manufactured Starter Motor - Priced Each

ES#4007243 - 124123547095KT - Re-manufactured Starter Motor - Priced Each - Price Included a $60.00 Core Charge - Bosch - BMW

Price Included a $60.00 Core Charge We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4007243
Mfg#:
124123547095KT
Back Ordered
$346.99

This product was last offered at the strikethrough price on
04-09-2026

$340.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Air Duct - Upper

ES#29366 - 12311432465 - Alternator Air Duct - Upper - Routes air to cool alternator - Genuine BMW - BMW

Routes air to cool alternator

Brand:
Genuine BMW - Corporate Logo
ES#:
29366
Mfg#:
12311432465
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.

$174.99

This product was last offered at the strikethrough price on
09-25-2026

$169.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cable Alternator-Starter

ES#30131 - 12421439743 - Cable Alternator-Starter - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
30131
Mfg#:
12421439743
Ships in 3 Business 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.

$114.99

This product was last offered at the strikethrough price on
09-03-2026

$111.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator - 90amp/120amp/140amp

ES#2576975 - 12317551153 - Voltage Regulator - 90amp/120amp/140amp - For Valeo 90A, 120A and 140A alternators only - Valeo - BMW

For Valeo 90A, 120A and 140A alternators only We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
2576975
Mfg#:
12317551153
In Stock at Vendor
$110.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 90 Amp (Compact)

ES#4690100 - 12317501687 - Alternator - 90 Amp (Compact) - No core charge required! - Vaico Q+ - BMW

No core charge required!

Brand:
Vaico Q+ - Corporate Logo
ES#:
4690100
Mfg#:
12317501687
Special Order: No Guaranteed ETA
$329.99 USD
Free Shipping
on orders $49 and up

Battery Clamp Grease - 50 grams

ES#3514231 - 20244 - Battery Clamp Grease - 50 grams - Excellent corrosion protection for your battery and other connections - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Excellent corrosion protection for your battery and other connections 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514231
Mfg#:
20244
In Stock
31% off MSRP

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

$7.99

This product was last offered at the strikethrough price on
08-31-2026

$5.50 USD
Free Shipping
on orders $49 and up

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.

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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