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BMW E30 M3 S14 2.3L

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BMW E30 M3 S14 2.3L Engine Electrical Parts

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Alternator Positive Cable

ES#31194 - 12521312124 - Alternator Positive Cable - Grounds the alternator to the chassis - Genuine BMW - BMW

Grounds the alternator to the chassis affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
31194
Mfg#:
12521312124
Ships in 3 Business Days
4% off MSRP

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

$50.99

This product was last offered at the strikethrough price on
06-04-2026

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#2611387 - 12621710511 - Temperature Sensor - Monitors coolant temperature - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
2611387
Mfg#:
12621710511
In Stock
5% off MSRP

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

$58.99

This product was last offered at the strikethrough price on
06-03-2026

$55.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

Fuse Replacement Kit

ES#4389073 - E30FuseKit - Fuse Replacement Kit - Complete set of fuses from OE BMW supplier for direct replacement of blown or mismatched fuses. - Race German - BMW

Complete set of fuses from OE BMW supplier for direct replacement of blown or mismatched fuses. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race German - Corporate Logo
ES#:
4389073
Mfg#:
E30FUSEKIT
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rethreaded Coolant Sensor

ES#4389061 - 001-08-00-00-09 - Rethreaded Coolant Sensor - Rethreaded to Match the M5x/S5x head when doing a engine swap - Race German - BMW

Rethreaded to Match the M5x/S5x head when doing a engine swap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race German - Corporate Logo
ES#:
4389061
Mfg#:
001-08-00-00-09
Ships in 2 Business Days
$50.00 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
4336376
Mfg#:
GB150
Ships in 9 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
06-04-2026

$299.99 USD
Free Shipping
on orders $49 and up

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

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
06-04-2026

$29.94 USD
Free Shipping
on orders $49 and up

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514231
Mfg#:
20244
In Stock
4% off MSRP

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

$6.95

This product was last offered at the strikethrough price on
02-24-2026

$6.69 USD
Free Shipping
on orders $49 and up

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

Brand:
Performance Tool - Corporate Logo
ES#:
4371741
Mfg#:
W5368
Ships in 2 Business Days
$13.68 USD
Free Shipping
on orders $49 and up
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
OMP - Corporate Logo
ES#:
3026647
Mfg#:
EA-462
Back Ordered
Auto Notify
$65.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

5-Prong Fuel Injection Relay

ES#3038970 - 12631708646 - 5-Prong Fuel Injection Relay - Fuel Injection Relay Replacement - Hella - BMW

Fuel Injection Relay Replacement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hella - Corporate Logo
ES#:
3038970
Mfg#:
12631708646
In Stock at Vendor
$22.99

This product was last offered at the strikethrough price on
01-05-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Reference Sensor - Priced Each

ES#5340477 - 12141708619 - Reference Sensor - Priced Each - Referred to as the speed sensor & crankshaft position sensor - Hamburg Tech - BMW

Referred to as the speed sensor & crankshaft position sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hamburg Tech - Corporate Logo
ES#:
5340477
Mfg#:
12141708619
Ships in 2 Business Days
$49.95 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
06-04-2026

$49.94 USD
Free Shipping
on orders $49 and up

Bearing Accelator Bowden Cable

ES#34148 - 13541747519 - Bearing Accelator Bowden Cable - Located on throttle body housing - Genuine BMW - BMW

Located on throttle body housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
34148
Mfg#:
13541747519
In Stock
$2.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2682192 - 13621709967 - Coolant Temperature Sensor - Typically located in the thermostat housing or radiator hose - Genuine BMW - BMW

Typically located in the thermostat housing or radiator hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2682192
Mfg#:
13621709967
Ships in 3 Business Days
7% 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
06-04-2026

$76.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Plug Relay

ES#164513 - 61131378418 - Plug Relay - Electrical relay to repair your electrical system - Genuine BMW - BMW

Electrical relay to repair your electrical system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
164513
Mfg#:
61131378418
In Stock
$4.99 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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