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BMW E90 335i N54 3.0L

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BMW E90 335i N54 3.0L Engine Electrical Parts

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New 150A Alternator

This SEG Automotive alternator is a brand-new 150-amp unit, built by the company formerly known as Bosch Starter Motors & Generators.

Brand:
SEG Automotive - Corporate Logo
ES#:
5517654
Mfg#:
0124.525.561
Ships on Nov 17, 2026
$487.99 USD
Free Shipping
on orders $49 and up

Battery Adapter Lead

A low-cost part for battery service and electrical repairs.

Brand:
SenCom - Corporate Logo
ES#:
5526950
Mfg#:
20484
Ships on Nov 17, 2026
$46.99 USD

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 Jan 11, 2027
ON SALE! SAVE 10%
$13.99

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

$12.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Positive Cable Battery Connection Pole

Required replacement in post accident repairs 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5507031
Mfg#:
61129217031
Ships on Jan 11, 2027
ON SALE! SAVE 10%
$135.99

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

$122.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#4674769 - 13627525015 - Crankshaft Position Sensor - Having a crank but no starting issue? This sensor is often the culprit - Febi - BMW

Having a crank but no starting issue? This sensor is often the culprit We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4674769
Mfg#:
13627525015
Special Order: No Guaranteed ETA
$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Pulley

ES#2867506 - 12317560678 - Alternator Pulley - Does not include any securing hardware - Febi - BMW

Does not include any securing hardware We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2867506
Mfg#:
12317560678
Special Order: No Guaranteed ETA
$87.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Starter Motor

ES#5492823 - 12412354701 - Starter Motor - This Febi Bilstein starter motor offers a brand-new, direct-fit replacement engineered to match original equipment specifications. - Febi - BMW

This Febi Bilstein starter motor offers a brand-new, direct-fit replacement engineered to match original equipment specifications.

Brand:
Febi - Corporate Logo
ES#:
5492823
Mfg#:
12412354701
Special Order: No Guaranteed ETA
$146.99 USD
Free Shipping
on orders $49 and up

BMW | sensor, coolant level

ES#4854649 - 17137553919 - BMW | sensor, coolant level - Vemo - BMW MINI

Brand:
Vemo - Corporate Logo
ES#:
4854649
Mfg#:
17137553919
Special Order: No Guaranteed ETA
$11.99 USD
Free Shipping
on orders $49 and up

BMW | Relay, main current

ES#4856727 - 61366980177 - BMW | Relay, main current - Vemo -

Brand:
Vemo - Corporate Logo
ES#:
4856727
Mfg#:
61366980177
Special Order: No Guaranteed ETA
$9.46 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW | Sensor, fuel tank pressure

ES#4854512 - 16137193479 - BMW | Sensor, fuel tank pressure - Vemo - BMW MINI

Brand:
Vemo - Corporate Logo
ES#:
4854512
Mfg#:
16137193479
Special Order: No Guaranteed ETA
$152.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Starter Solenoid

A common cause of failed starters. We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4017507
Mfg#:
12417526238
Back Ordered
$59.99

This product was last offered at the strikethrough price on
05-07-2026

$57.99 USD
Free Shipping
on orders $49 and up
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

CTEK Pro Battery Tester

Don't leave yourself stranded with a dead battery.

Brand:
CTEK - Corporate Logo
ES#:
4492938
Mfg#:
40-209
Back Ordered
$1103.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Battery Relocation Kit

Odyssey 680 - Switch Mount

Brand:
Rennline - Corporate Logo
ES#:
2839918
Mfg#:
EL4138
Back Ordered
ON SALE! SAVE 16%
$173.00

This product was last offered at the strikethrough price on
10-07-2026

$145.00 USD
Free Shipping
on orders $49 and up

Rennline Universal Battery Mount Kit

Odyssey 925-Switch Mount To be used with the Odyssey 925 battery

Brand:
Rennline - Corporate Logo
ES#:
2839915
Mfg#:
EL4134
Back Ordered
$189.00 USD
Free Shipping
on orders $49 and up

Rennline Universal Battery Mount Kit Odyssey 925

This Battery Relocation Kit is designed to work with the Odyssey 925 lightweight battery

Brand:
Rennline - Corporate Logo
ES#:
2839916
Mfg#:
EL4135
Back Ordered
$168.00 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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