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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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120 pc Fuse Assortment

ES#4371741 - W5368 - 120 pc Fuse Assortment - A must for any toolbox. - Performance Tool - Audi BMW Volkswagen Mercedes Benz MINI Porsche

A must for any toolbox.

Brand:
Performance Tool - Corporate Logo
ES#:
4371741
Mfg#:
W5368
In Stock
$13.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost PRO UltraSafe Lithium 3000 Amp Jump Starter - NOCO

ES#4336376 - GB150 - Boost PRO UltraSafe Lithium 3000 Amp Jump Starter - NOCO - This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 9.0L engine or less and diesel vehicles up to 7.0L, up to 80 times on a single charge. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 9.0L engine or less and diesel vehicles up to 7.0L, up to 80 times on a single charge.

Brand:
NOCO - Corporate Logo
ES#:
4336376
Mfg#:
GB150
Ships in 8 Business Days
20% off MSRP

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

$374.99

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

$299.99 USD
Free Shipping
on orders $49 and up

Boost XL UltraSafe Lithium 1500 Amp Jump Starter - NOCO

ES#4336378 - GB50 - Boost XL UltraSafe Lithium 1500 Amp Jump Starter - NOCO - This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 7.0L engine or less and diesel vehicles up to 4.5L, up to 30 times on a single charge. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 7.0L engine or less and diesel vehicles up to 4.5L, up to 30 times on a single charge.

Brand:
NOCO - Corporate Logo
ES#:
4336378
Mfg#:
GB50
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.

$189.99

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

$149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

ES#4031173 - GENIUS2 - GENIUS 6V / 12V 2 Amp Battery Charger - NOCO - The GENIUS2 is similar to the G1100, just better. It's 30% smaller and delivers 140% more power. And it's simpler and easier to use than ever before. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The GENIUS2 is similar to the G1100, just better. It's 30% smaller and delivers 140% more power. And it's simpler and easier to use than ever before.

Brand:
NOCO - Corporate Logo
ES#:
4031173
Mfg#:
GENIUS2
In Stock
23% off MSRP

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

$64.95

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

$49.94 USD
Free Shipping
on orders $49 and up

Yellow Relay - Priced Each

ES#169405 - 61361389105 - Yellow Relay - Priced Each - Yellow relay used for multiple applications. - Genuine BMW - BMW

Yellow relay used for multiple applications.

Brand:
Genuine BMW - Corporate Logo
ES#:
169405
Mfg#:
61361389105
Ships in 4 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#2813619 - 12131748017 - Ignition Coil - Priced Each - Get your engine working flawlessly with new ignition coils - Includes new coil and boot - Hamburg Tech - BMW

Get your engine working flawlessly with new ignition coils - Includes new coil and boot We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813619
Mfg#:
12131748017
Ships in 1 Business Day
$32.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EVO Series Digital Oil Temperature Gauge - 100-300°F

ES#3010021 - 216EVOWGOT.F - EVO Series Digital Oil Temperature Gauge - 100-300F - Digital oil temperature gauge with dimmable green or white backlighting - Prosport Performance - Audi BMW Volkswagen MINI

Digital oil temperature gauge with dimmable green or white backlighting

Brand:
Prosport Performance - Corporate Logo
ES#:
3010021
Mfg#:
216EVOWGOT.F
In Stock
Limited Qty Sale
$78.99

This product was last offered at the strikethrough price on
08-13-2026

$71.99 USD
Free Shipping

Coolant Temperature Sensor

ES#4316487 - 13621703993 - Coolant Temperature Sensor - Monitors coolant temperature - Bavarian Autosport - BMW

Monitors coolant temperature 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4316487
Mfg#:
13621703993
Ships on Sep 28, 2026
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ON SALE! SAVE 20%
$20.99

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

$16.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Speed Sensor

ES#45540 - 24341218551 - Speed Sensor - Keep the engine running right - Genuine BMW - BMW

Keep the engine running right

Brand:
Genuine BMW - Corporate Logo
ES#:
45540
Mfg#:
24341218551
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.

$72.99

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

$70.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crash Alarm Relay

ES#169259 - 61358364691 - Crash Alarm Relay - Replace your failed relay - Genuine BMW - BMW

Replace your failed relay

Brand:
Genuine BMW - Corporate Logo
ES#:
169259
Mfg#:
61358364691
Ships in 3 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.

$144.99

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

$140.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camshaft position sensor

ES#3193098 - 12141704920 - Camshaft position sensor - Monitors camshaft position to ensure proper engine operation - Genuine BMW - BMW

Monitors camshaft position to ensure proper engine operation

Brand:
Genuine BMW - Corporate Logo
ES#:
3193098
Mfg#:
12141704920
Ships in 6 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.

$290.99

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

$273.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Titan 96-Piece ATO Blade Fuse Assortment

ES#2950498 - TTN45227 - Titan 96-Piece ATO Blade Fuse Assortment - Convenient re-sealable plastic case - Titan - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Convenient re-sealable plastic case

Brand:
Titan - Corporate Logo
ES#:
2950498
Mfg#:
TTN45227
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Clamp Grease - 50 grams

ES#3514231 - 20244 - Battery Clamp Grease - 50 grams - Excellent corrosion protection for your battery and other connections - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Excellent corrosion protection for your battery and other connections 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514231
Mfg#:
20244
In Stock
14% 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
03-15-2026

$6.85 USD
Free Shipping
on orders $49 and up

Oil Pressure Switch

ES#212512 - 12611715504 - Oil Pressure Switch - Measures the oil pressure to ensure proper engine lubrication - Genuine BMW - BMW

Measures the oil pressure to ensure proper engine lubrication

Brand:
Genuine BMW - Corporate Logo
ES#:
212512
Mfg#:
12611715504
Ships in 1 day
5% off MSRP

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

$39.99

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

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EWS Transmitter

ES#169305 - 61358379502 - EWS Transmitter - A common cause of starting issues - Genuine BMW - BMW

A common cause of starting issues

Brand:
Genuine BMW - Corporate Logo
ES#:
169305
Mfg#:
61358379502
Ships in 6 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.

$267.99

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

$260.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Battery Cut-Off/Kill Switch

ES#3026647 - EA-462 - Battery Cut-Off/Kill Switch - Disconnect your battery in an instant! - OMP - BMW

Disconnect your battery in an instant!

Brand:
OMP - Corporate Logo
ES#:
3026647
Mfg#:
EA-462
In Stock
$65.00 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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