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BMW E46 325Ci M54 2.5L

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BMW E46 325Ci M54 2.5L Engine Electrical Parts

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Oil Pressure Switch

ES#4327478 - 12618611273 - Oil Pressure Switch - Restore your vehicles critical engine monitoring system with this premium replacement Oil Pressure Switch from Meyle. - Meyle - BMW

Restore your vehicle’s critical engine monitoring system with this premium replacement Oil Pressure Switch from Meyle. 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4327478
Mfg#:
12618611273
Ships on Sep 23, 2026
$6.99 USD
Free Shipping
on orders $49 and up

Spark Plug Boot - Priced Each

ES#4327364 - 12139067831 - Spark Plug Boot - Priced Each - Connects coil pack to spark plug - Meyle - BMW

Connects coil pack to spark plug 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4327364
Mfg#:
12139067831
Ships on Sep 23, 2026
$15.99 USD
Free Shipping
on orders $49 and up

Secondary Air Pump

ES#4304180 - 11727571589 - Secondary Air Pump - Common source of emissons related issues - URO - BMW

Common source of emissons related issues 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4304180
Mfg#:
11727571589
Ships on Sep 30, 2026
$259.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bosch Alternator - 150 Amp - E46, E60, X3

ES#3031900 - AL0814X - Bosch Alternator - 150 Amp - E46, E60, X3 - Restore factory electrical operation and reliable charging capacity to your vehicle with the Bosch AL0814X Remanufactured Alternator. - Bosch - BMW

Restore factory electrical operation and reliable charging capacity to your vehicle with the Bosch AL0814X Remanufactured Alternator. We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3031900
Mfg#:
AL0814X
Ships on Oct 1, 2026
$564.52 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Starter Solenoid

Ensure rapid, dependable turnover every time you turn the key with this OEM replacement starter motor from Bosch.

Brand:
Bosch - Corporate Logo
ES#:
5505139
Mfg#:
12411427080
Special Order: No Guaranteed ETA
$78.99 USD
Free Shipping
on orders $49 and up

Alternator

ES#5492752 - 12317501690 - Alternator - Restore your BMW's charging system back to original factory standards with this high-quality replacement alternator from Febi Bilstein. - Febi - BMW

Restore your BMW's charging system back to original factory standards with this high-quality replacement alternator from Febi Bilstein.

Brand:
Febi - Corporate Logo
ES#:
5492752
Mfg#:
12317501690
Special Order: No Guaranteed ETA
$245.99 USD
Free Shipping
on orders $49 and up

Crankshaft Sensor With Sealing Ring

ES#5492666 - 12141709616 - Crankshaft Sensor With Sealing Ring - Restore precise ignition timing and smooth engine response with this direct-replacement crankshaft position sensor from Febi Bilstein. - Febi - BMW

Restore precise ignition timing and smooth engine response with this direct-replacement crankshaft position sensor from Febi Bilstein.

Brand:
Febi - Corporate Logo
ES#:
5492666
Mfg#:
12141709616
Special Order: No Guaranteed ETA
$14.99 USD
Free Shipping
on orders $49 and up

Starter Motor

Restore reliable engine cranking with this replacement starter motor from Febi Bilstein.

Brand:
Febi - Corporate Logo
ES#:
5493179
Mfg#:
12412354693
Special Order: No Guaranteed ETA
$147.99 USD
Free Shipping
on orders $49 and up

Oxygen Sensor - Front Or Rear Manifold

Located in the front position of the exhaust manifold 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date from 03/2003

Brand:
Bremmen Parts - Corporate Logo
ES#:
5503743
Mfg#:
11787523434
Ships on Dec 14, 2026
Auto Notify
$119.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Stop Light Switch

Mounts behind the brake pedal 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5505324
Mfg#:
61316967601
Ships on Dec 29, 2026
Auto Notify
$13.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

Complete with housing. 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with a production date from 09/1998 up to 03/2003

Brand:
Bremmen Parts - Corporate Logo
ES#:
5507032
Mfg#:
13621432356
Ships on Jan 7, 2027
Auto Notify
$89.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Oil Temperature Sensor And Gauge Kit - Green/White

ES#3173689 - oiltempgaugeKT - Oil Temperature Sensor And Gauge Kit - Green/White - The perfect combination for your oil temperature needs, a Turner oil sensor flange with a Prosport gauge! - Assembled By ECS - BMW

The perfect combination for your oil temperature needs, a Turner oil sensor flange with a Prosport gauge! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3173689
Mfg#:
OILTEMPGAUGEKT
Ships on Jan 18, 2027
ON SALE!
$196.99

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

$193.26 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oil Temperature Sensor And Gauge Kit - Blue/Red

ES#3173690 - oiltempgaugeBRKT - Oil Temperature Sensor And Gauge Kit - Blue/Red - The perfect combination for your oil temperature needs, a Turner oil sensor flange with a Prosport gauge! - Assembled By ECS - BMW

The perfect combination for your oil temperature needs, a Turner oil sensor flange with a Prosport gauge! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3173690
Mfg#:
OILTEMPGAUGEBRKT
Ships on Jan 18, 2027
ON SALE!
$196.99

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

$193.26 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oxygen Sensor - Priced Each

2 required in each application

Brand:
Pierburg - Corporate Logo
ES#:
4726449
Mfg#:
11781247406
Special Order: No Guaranteed ETA
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2873855 - 11781742050 - Oxygen Sensor - Priced Each - 2 required in each application - Febi - BMW

2 required in each application We Price Match - Give Us A Call or Chat!
For vehicles with production date from 09/1998

Brand:
Febi - Corporate Logo
ES#:
2873855
Mfg#:
11781742050
Special Order: No Guaranteed ETA
$110.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTEK MXS 25EC

Fully automatic 8 step smart charger and battery support unit that delivers 25A to 12V batteries from 40–500Ah.

Brand:
CTEK - Corporate Logo
ES#:
4492939
Mfg#:
40-128
Back Ordered
$437.99 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.

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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