Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle BMW E39 525i M54 2.5L

BMW E39 525i M54 2.5L Engine Electrical Parts

Sort By
Filter By
Return to Top
ES#29666 - 12317501755 - Alternator Cap - Bosch 120 Amp - Replace your missing dust cover - Genuine BMW - BMW

Replace your missing dust cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
29666
Mfg#:
12317501755
Ships in 9 Business Days
5% off MSRP

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

$82.99

This product was last offered at the strikethrough price on
06-05-2026

$78.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4487450 - 11781433940 - Oxygen Sensor - Priced Each - 2 Required in each application - Meyle - BMW

2 Required in each application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4487450
Mfg#:
11781433940
Ships on Oct 15, 2026
$78.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3582767 - 61131372529 - Fuse - 30 amp - Used in the fuse box - Genuine BMW - BMW MINI

Used in the fuse box affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3582767
Mfg#:
61131372529
Ships in 3 Business Days
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4327637 - 13627568422 - Knock Sensor - Detects engine ping and changes timing accordingly - Meyle - BMW

Detects engine ping and changes timing accordingly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4327637
Mfg#:
13627568422
Ships in 2 Business Days
$75.99 USD
Free Shipping
on orders $49 and up
ES#45712 - 24357507706 - Speed Sensor - Priced Each - Located in the transmission - Genuine BMW - BMW

Located in the transmission affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
45712
Mfg#:
24357507706
In Stock at Vendor
$104.99

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

$70.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5396594 - 12141709616 - Crankshaft Position Sensor - Does not include O-ring - Hitachi - BMW

Does not include O-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hitachi - Corporate Logo
ES#:
5396594
Mfg#:
12141709616
Back Ordered
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2863068 - 61311378297 - Relay  - Replacement relay for the typical white-green and orange relays found in your vehicle - Rein - BMW MINI

Replacement relay for the typical white-green and orange relays found in your vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2863068
Mfg#:
61311378297
Ships in 4 Business Days
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#31278 - 12521703202 - Diagnostic Plug Cap with Leash (Under Hood) - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
31278
Mfg#:
12521703202
Ships in 3 Business 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.

$65.99

This product was last offered at the strikethrough price on
06-05-2026

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#31208 - 12521427222 - Socket Housing - 3 pole - Genuine BMW - BMW

3 pole affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
31208
Mfg#:
12521427222
Ships in 3 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4492820 - 40-060 - Bumper 300 - Don't scratch your paint with your battery tender. - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Don't scratch your paint with your battery tender. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTEK - Corporate Logo
ES#:
4492820
Mfg#:
40-060
In Stock at Vendor
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1899282 - 12147539165 - Camshaft Position Sensor - Intake side sensor - Vemo Q+ - BMW

Intake side sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo Q+ - Corporate Logo
ES#:
1899282
Mfg#:
12147539165
Special Order: No Guaranteed ETA
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#166136 - 61218375653 - Positive Battery Terminal Cover - Protect the positive battery terminal from the elements - Genuine BMW - BMW

Protect the positive battery terminal from the elements affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
166136
Mfg#:
61218375653
Ships in 3 Business Days
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2503735 - 61136920094 - Flat-type Connector - Priced each  - 6-10mm - Genuine BMW - BMW

6-10mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2503735
Mfg#:
61136920094
Ships in 3 Business Days
13% 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
06-04-2026

$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3559962 - 13621703993 - Coolant Temperature Sensor - Monitors coolant temperature - Hamburg Tech - BMW

Monitors coolant temperature affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
3559962
Mfg#:
13621703993
In Stock
$13.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3604639 - EL-LA4578 - Battery Disconnect Switch - 4 Terminal - Quickly shut down your battery in an emergency. - Rennline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Quickly shut down your battery in an emergency. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
3604639
Mfg#:
EL-LA4578
Ships in 5 Business Days
$55.00 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.

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