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BMW E31 850Ci M73 5.4L

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BMW E31 850Ci M73 5.4L Engine Electrical Parts

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Precision Raceworks Ethanol Sensor Breakout Harness

ES#4858864 - 201-0411 - Precision Raceworks Ethanol Sensor Breakout Harness - This breakout harness isolates the signal wire from your flex fuel sensor, allowing an external gauge to access the signal without modifying your existing flex fuel harness. - Precision Raceworks - Audi BMW Volkswagen

This breakout harness isolates the signal wire from your flex fuel sensor, allowing an external gauge to access the signal without modifying your existing flex fuel harness.

Brand:
Precision Raceworks - Corporate Logo
ES#:
4858864
Mfg#:
201-0411
In Stock
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring for Camshaft Position Sensor (17 X 3 mm)

ES#2828422 - 12141748398 - O-Ring for Camshaft Position Sensor (17 X 3 mm) - Always replace the o-ring when replacing sensor - URO - BMW

Always replace the o-ring when replacing sensor 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2828422
Mfg#:
12141748398
In Stock
$1.39 USD
Free Shipping
on orders $49 and up
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

CTEK PRO25S

Advanced technology will ensure that a safe, fast charge is delivered to exactly meet the needs of the individual battery.

Brand:
CTEK - Corporate Logo
ES#:
4492944
Mfg#:
40-328
In Stock at Vendor
$468.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Rubber Mount - Priced Each

ES#37342 - 16141180474 - Fuel Pump Rubber Mount - Priced Each - Rubber mount for the fuel pump - Genuine BMW - BMW

Rubber mount for the fuel pump

Brand:
Genuine BMW - Corporate Logo
ES#:
37342
Mfg#:
16141180474
Ships in 1 day
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#4159265 - 13627839138 - Crankshaft Position Sensor - Referred to as the speed sensor & reference sensor - Hamburg Tech - BMW

Referred to as the speed sensor & reference sensor We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4159265
Mfg#:
13627839138
Ships in 1 Business Day
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#2534506 - 12137599219 - Ignition Coil - Priced Each - Comes with plug connector - URO - BMW

Comes with plug connector 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534506
Mfg#:
12137599219
In Stock
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mounting Screw

ES#166096 - 61217577620 - Mounting Screw - 190MM - Genuine BMW - BMW MINI

190MM

Brand:
Genuine BMW - Corporate Logo
ES#:
166096
Mfg#:
61217577620
In Stock
10% off MSRP

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

$9.69

This product was last offered at the strikethrough price on
03-04-2026

$8.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Temperature Sensor

ES#3023844 - 13621739510 - Intake Temperature Sensor - Monitors intake air temperature - Hella - BMW
ECS Tuning recommends this product.

Monitors intake air temperature

Brand:
Hella - Corporate Logo
ES#:
3023844
Mfg#:
13621739510
Back Ordered
Auto Notify
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cigarette Lighter Adapter

ES#3676987 - 56-263 - Cigarette Lighter Adapter - For CTEK Battery Charger - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

For CTEK Battery Charger Not For Older Chargers With White Plugs

Brand:
CTEK - Corporate Logo
ES#:
3676987
Mfg#:
56-263
In Stock at Vendor
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTEK Multi US 7002

ES#4492946 - 56-353 - CTEK Multi US 7002 - The MULTI US 7002 (Part No. 56-353) is the ideal battery charger for your camper, car, and boat. - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The MULTI US 7002 (Part No. 56-353) is the ideal battery charger for your camper, car, and boat.

Brand:
CTEK - Corporate Logo
ES#:
4492946
Mfg#:
56-353
In Stock at Vendor
$199.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

GENIUS 2 Bank 6V / 12V 4 Amp Battery Charger - NOCO

ES#4364628 - GENIUS2X2 - GENIUS 2 Bank 6V / 12V 4 Amp Battery Charger - NOCO - A two-bank battery charger, battery maintainer, trickle charger, and battery desulfator - the perfect all-in-one solution for battery maintenance. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

A two-bank battery charger, battery maintainer, trickle charger, and battery desulfator - the perfect all-in-one solution for battery maintenance.

Brand:
NOCO - Corporate Logo
ES#:
4364628
Mfg#:
GENIUS2X2
In Stock
20% off MSRP

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

$124.99

This product was last offered at the strikethrough price on
08-27-2026

$99.99 USD
Free Shipping
on orders $49 and up

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
ON SALE! SAVE 20%
$59.99

This product was last offered at the strikethrough price on
08-23-2026

$47.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2574767 - 13621703993 - Coolant Temperature Sensor - Monitors coolant temperature - FAE - BMW

Monitors coolant temperature

Brand:
FAE - Corporate Logo
ES#:
2574767
Mfg#:
13621703993
In Stock
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

GENIUS 6V / 12V 1 Amp Battery Charger - NOCO

ES#4336355 - GENIUS1 - GENIUS 6V / 12V 1 Amp Battery Charger - NOCO - The GENIUS1 is similar to the G750, just better. It's 35% smaller and delivers 35% more power. And it's simpler and easier to use than ever before. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The GENIUS1 is similar to the G750, just better. It's 35% smaller and delivers 35% more power. And it's simpler and easier to use than ever before.

Brand:
NOCO - Corporate Logo
ES#:
4336355
Mfg#:
GENIUS1
In Stock
25% off MSRP

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

$39.95

This product was last offered at the strikethrough price on
08-27-2026

$29.94 USD
Free Shipping
on orders $49 and up

Ignition Switch - Priced Each

ES#168774 - 61321383365 - Ignition Switch - Priced Each - Direct replacement from BMW! - Genuine BMW - BMW

Direct replacement from BMW!

Brand:
Genuine BMW - Corporate Logo
ES#:
168774
Mfg#:
61321383365
Ships in 1 day
3% off MSRP

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

$114.99

This product was last offered at the strikethrough price on
08-27-2026

$111.99 USD
Free Shipping
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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