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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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Water Temperature Sensor

ES#31874 - 12621288158 - Water Temperature Sensor - M14x1.5 Thread - Genuine BMW - BMW

M14x1.5 Thread

Brand:
Genuine BMW - Corporate Logo
ES#:
31874
Mfg#:
12621288158
Ships in 1 day
6% 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
08-27-2026

$77.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oxygen Sensor Bung - Priced Each

ES#5051 - ATP-FLS-022 - Universal Oxygen Sensor Bung - Priced Each - Stainless steel weld-in nut for any O2 sensor - ATP - Audi BMW Volkswagen

Stainless steel weld-in nut for any O2 sensor

Brand:
ATP - Corporate Logo
ES#:
5051
Mfg#:
ATP-FLS-022
Ships in 6 Business Days
$12.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#3559962 - 13621703993 - Coolant Temperature Sensor - Monitors coolant temperature - Hamburg Tech - BMW

Monitors coolant temperature We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
3559962
Mfg#:
13621703993
In Stock
ON SALE!
$13.95

This product was last offered at the strikethrough price on
08-26-2026

$12.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuse - 30 amp

ES#3582767 - 61131372529 - Fuse - 30 amp - Used in the fuse box - Genuine BMW - BMW MINI

Used in the fuse box

Brand:
Genuine BMW - Corporate Logo
ES#:
3582767
Mfg#:
61131372529
Ships in 1 day
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

100 Piece Mini Car Fuse Assortment

ES#2932400 - ATD382 - 100 Piece Mini Car Fuse Assortment - You never know when you will blow a fuse so it always good to have extra - ATD Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

You never know when you will blow a fuse so it always good to have extra

Brand:
ATD Tools - Corporate Logo
ES#:
2932400
Mfg#:
ATD382
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diagnostic Plug Cap with Leash (Under Hood)

ES#31278 - 12521703202 - Diagnostic Plug Cap with Leash (Under Hood) - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
31278
Mfg#:
12521703202
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.

$65.99

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

$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Disconnect Switch - 4 Terminal

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.

Brand:
Rennline - Corporate Logo
ES#:
3604639
Mfg#:
EL-LA4578
Ships in 4 Business Days
$59.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bumper 300

Don't scratch your paint with your battery tender.

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

O-Ring

ES#31818 - 12611277129 - O-Ring - Found on your oil level sensor in the oil pan - Genuine BMW - BMW

Found on your oil level sensor in the oil pan

Brand:
Genuine BMW - Corporate Logo
ES#:
31818
Mfg#:
12611277129
Ships in 1 day
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#2874015 - 13627839138 - Crankshaft Position Sensor - Referred to as the speed sensor & reference sensor - Febi - BMW

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

Brand:
Febi - Corporate Logo
ES#:
2874015
Mfg#:
13627839138
Ships on Nov 24, 2026
$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring, Oil Level Sensor-Priced Each

ES#240209 - 12611277129 - O-Ring, Oil Level Sensor-Priced Each - Found on your oil level sensor in the oil pan - Victor Reinz - BMW

Found on your oil level sensor in the oil pan

Brand:
Victor Reinz - Corporate Logo
ES#:
240209
Mfg#:
12611277129
In Stock
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#18308 - 11121731208 - Hex Bolt - Priced Each - M6X35-Z1 - Genuine BMW - BMW

M6X35-Z1 For vehicles with production date from 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
18308
Mfg#:
11121731208
Ships in 1 day
6% off MSRP

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

$17.99

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

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SES Jumper

ES#200433 - 84110018038 - SES Jumper - Ensures connectivity between the factory telephone/bluetooth unit when SES module is not present - Genuine BMW - BMW

Ensures connectivity between the factory telephone/bluetooth unit when SES module is not present

Brand:
Genuine BMW - Corporate Logo
ES#:
200433
Mfg#:
84110018038
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTEK Indicator Panel

ES#3676988 - 56-380 - CTEK Indicator Panel - Displays battery health at all times. - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Displays battery health at all times.

Brand:
CTEK - Corporate Logo
ES#:
3676988
Mfg#:
56-380
In Stock at Vendor
$47.99 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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