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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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Relay - Violet

ES#169404 - 61361388911 - Relay - Violet - For mutiple locations in the fuse box. - Genuine BMW - BMW MINI

For mutiple locations in the fuse box.

Brand:
Genuine BMW - Corporate Logo
ES#:
169404
Mfg#:
61361388911
Ships Today
4% off MSRP

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

$24.99

This product was last offered at the strikethrough price on
07-21-2026

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rep.Kit F Safety Battery Terminal Clamp

ES#30223 - 12421733937 - Rep.Kit F Safety Battery Terminal Clamp - Genuine BMW - BMW

50 Qmm

Brand:
Genuine BMW - Corporate Logo
ES#:
30223
Mfg#:
12421733937
Ships in 8 Business Days
2% off MSRP

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

$584.99

This product was last offered at the strikethrough price on
07-21-2026

$572.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump

ES#26652 - 11721433959 - Secondary Air Pump - Common source of emissons related issues - Genuine BMW - BMW

Common source of emissons related issues

Brand:
Genuine BMW - Corporate Logo
ES#:
26652
Mfg#:
11721433959
Ships in 7 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.

$583.99

This product was last offered at the strikethrough price on
07-21-2026

$564.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Braille Batteries G30

ES#3617620 - G30 - Braille Batteries G30 - Less voltage drop during cranking - Braille - BMW

Less voltage drop during cranking

Brand:
Braille - Corporate Logo
ES#:
3617620
Mfg#:
G30
Ships on Aug 6, 2026
$522.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#2895697 - 12147518628kit - Camshaft Position Sensor - Exhaust side - Vemo - BMW

Exhaust side

Brand:
Vemo - Corporate Logo
ES#:
2895697
Mfg#:
12147518628KIT
In Stock at Vendor
$89.99

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

$86.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Housing / Body

ES#3039836 - 13547502444 - Throttle Housing / Body - Electronic throttle sensor and assembly - VDO - BMW
ECS Tuning recommends this product.

Electronic throttle sensor and assembly We Price Match - Give Us A Call or Chat!

Brand:
VDO - Corporate Logo
ES#:
3039836
Mfg#:
13547502444
Special Order: No Guaranteed ETA
$520.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#263912 - 12141709616 - Crankshaft Position Sensor - Does not include O-ring - Meyle - BMW
ECS Tuning recommends this product.

Does not include O-ring 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
263912
Mfg#:
12141709616
Ships on Sep 29, 2026
Auto Notify
$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 120amp

ES#2539391 - 12317501599 - Alternator - 120amp - Brand new unit with no core charge. - Bosch - BMW

Brand new unit with no core charge. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2539391
Mfg#:
12317501599
In Stock at Vendor
$526.99

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

$511.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor

ES#2561360 - 12617508003 - Oil Level Sensor - Turn that oil level light off - URO - BMW

Turn that oil level light off 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2561360
Mfg#:
12617508003
Ships in 1 Business Day
$63.99 USD
Free Shipping
on orders $49 and up

2 Pin Connector

ES#4772590 - 12521427615 - 2 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the engine oil pressure switch. - ECS - BMW MINI

Includes connector housing with terminals and seals. Commonly used for the engine oil pressure switch. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772590
Mfg#:
12521427615
Ships in 3 Business Days
ON SALE! SAVE 25%
$7.99

This product was last offered at the strikethrough price on
06-13-2026

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump - Priced Each

ES#37298 - 16137193479 - Leak Detection Pump - Priced Each - Located under the vehicle, near the transmission bellhousing or in the rear. Used to diagnose leaks in the evap system. - Genuine BMW - BMW MINI

Located under the vehicle, near the transmission bellhousing or in the rear. Used to diagnose leaks in the evap system.

Brand:
Genuine BMW - Corporate Logo
ES#:
37298
Mfg#:
16137193479
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.

$266.99

This product was last offered at the strikethrough price on
07-21-2026

$250.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Boost X UltraSafe Lithium 2500 Amp Jump Starter - NOCO

ES#4389658 - GBX75 - Boost X UltraSafe Lithium 2500 Amp Jump Starter - NOCO - X for Extreme - Boost X is the next generation in jump packs with an all-new design and more powerful jump starts. This 12V battery jumper will jump gas vehicles up to 8.5L and diesel engines up to 6.5L. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

X for Extreme - Boost X is the next generation in jump packs with an all-new design and more powerful jump starts. This 12V battery jumper will jump gas vehicles up to 8.5L and diesel engines up to 6.5L.

Brand:
NOCO - Corporate Logo
ES#:
4389658
Mfg#:
GBX75
In Stock
22% off MSRP

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

$319.99

This product was last offered at the strikethrough price on
07-21-2026

$249.99 USD
Free Shipping
on orders $49 and up

Camshaft Position Sensor

ES#4316514 - 12147518628 - Camshaft Position Sensor - Exhaust side, includes a new o-ring seal - Bremmen Parts - BMW

Exhaust side, includes a new o-ring seal 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4316514
Mfg#:
12147518628
Ships on Sep 16, 2026
Auto Notify
ON SALE! SAVE 16%
$31.99

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

$26.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

THINKEASY Battery Tester

ES#4745611 - 3.03.04.0001 - THINKEASY Battery Tester - Car Battery Tester with Bluetooth 5.0 + APP Automotive Alternator Tester - THINKCAR - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Car Battery Tester with Bluetooth 5.0 + APP Automotive Alternator Tester

Brand:
THINKCAR - Corporate Logo
ES#:
4745611
Mfg#:
3.03.04.0001
Ships in 1 Business Day
$59.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTEK SMARTPASS 120S

ES#4492943 - 40-289 - CTEK SMARTPASS 120S - SMARTPASS 120S charges and supplies the service battery and equipment with 120A - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

SMARTPASS 120S charges and supplies the service battery and equipment with 120A

Brand:
CTEK - Corporate Logo
ES#:
4492943
Mfg#:
40-289
Back Ordered
$477.99 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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