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BMW E39 525i M54 2.5L

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BMW E39 525i M54 2.5L Engine Electrical Parts

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GENIUS 2 Bank 12V 20 Amp On-Board Battery Charger - NOCO

A two-bank onboard battery charger rated at 20-amps (10-amps per bank) for 12-volt batteries, including marine, boat, starter, and deep-cycle batteries.

Brand:
NOCO - Corporate Logo
ES#:
4355166
Mfg#:
GENPRO10X2
Ships in 8 Business Days
21% off MSRP

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

$284.99

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

$224.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wire With Terminals For 90 Degree 6 Pin Bulkhead - Black 12 Gauge

ES#4883036 - 201-0360-BLK - Wire With Terminals For 90 Degree 6 Pin Bulkhead - Black 12 Gauge - Purchase the wires you need for your electrical bulkhead fitting here. Featuring Black FEP wire pre-cut to 24" 12 Gauge wire with the appropriate terminal pre-crimped and ready to install! - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz

Purchase the wires you need for your electrical bulkhead fitting here. Featuring Black FEP wire pre-cut to 24" 12 Gauge wire with the appropriate terminal pre-crimped and ready to install!

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883036
Mfg#:
201-0360-BLK
Ships in 9 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wire With Terminals For 90 Degree 6 Pin Bulkhead - Orange

ES#4883021 - 201-0360-ORG - Wire With Terminals For 90 Degree 6 Pin Bulkhead - Orange - Purchase the wires you need for your electrical bulkhead fitting here. Featuring Orange FEP wire pre-cut to 24" 12 Gauge wire with the appropriate terminal pre-crimped and ready to install! - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz

Purchase the wires you need for your electrical bulkhead fitting here. Featuring Orange FEP wire pre-cut to 24" 12 Gauge wire with the appropriate terminal pre-crimped and ready to install!

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883021
Mfg#:
201-0360-ORG
Ships in 9 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wire With Terminals For 90 Degree 6 Pin Bulkhead - Black - Dual 18 Gauge

ES#4883035 - 201-0362 - Wire With Terminals For 90 Degree 6 Pin Bulkhead - Black - Dual 18 Gauge - Purchase the wires you need for your electrical bulkhead fitting here. Featuring Black FEP wire pre-cut to 24" 18 Gauge wire with the appropriate terminal pre-crimped and ready to install! - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz

Purchase the wires you need for your electrical bulkhead fitting here. Featuring Black FEP wire pre-cut to 24" 18 Gauge wire with the appropriate terminal pre-crimped and ready to install!

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883035
Mfg#:
201-0362
Ships in 9 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wire With Terminals For 90 Degree 6 Pin Bulkhead - White

ES#4883014 - 201-0360-WHT - Wire With Terminals For 90 Degree 6 Pin Bulkhead - White - Purchase the wires you need for your electrical bulkhead fitting here. Featuring White FEP wire pre-cut to 24" 12 Gauge wire with the appropriate terminal pre-crimped and ready to install! - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz

Purchase the wires you need for your electrical bulkhead fitting here. Featuring White FEP wire pre-cut to 24" 12 Gauge wire with the appropriate terminal pre-crimped and ready to install!

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883014
Mfg#:
201-0360-WHT
Ships in 9 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wire With Terminals For 90 Degree 6 Pin Bulkhead - Blue

ES#4883026 - 201-0360-BLU - Wire With Terminals For 90 Degree 6 Pin Bulkhead - Blue - Purchase the wires you need for your electrical bulkhead fitting here. Featuring Blue FEP wire pre-cut to 24" 12 Gauge wire with the appropriate terminal pre-crimped and ready to install! - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz

Purchase the wires you need for your electrical bulkhead fitting here. Featuring Blue FEP wire pre-cut to 24" 12 Gauge wire with the appropriate terminal pre-crimped and ready to install!

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883026
Mfg#:
201-0360-BLU
Ships in 9 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wire With Terminals For 90 Degree 6 Pin Bulkhead - Yellow

ES#4883008 - 201-0360-YEL - Wire With Terminals For 90 Degree 6 Pin Bulkhead - Yellow - Purchase the wires you need for your electrical bulkhead fitting here. Featuring FEP wire pre-cut to 24" 12 Gauge wire with the appropriate terminal pre-crimped and ready to install! - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz

Purchase the wires you need for your electrical bulkhead fitting here. Featuring FEP wire pre-cut to 24" 12 Gauge wire with the appropriate terminal pre-crimped and ready to install!

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883008
Mfg#:
201-0360-YEL
Ships in 9 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 120 Amp (Compact)

ES#4905111 - 12317501599LKT - Alternator - 120 Amp (Compact) - Includes a refundable $84.50 core charge - Lucas - BMW

Includes a refundable $84.50 core charge With rectangular-shaped 2-pin plug socket.

Brand:
Lucas - Corporate Logo
ES#:
4905111
Mfg#:
12317501599LKT
Ships on Sep 23, 2026
$255.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

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

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

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

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.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings