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BMW M3 Engine Electrical Parts

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Crankshaft Position Sensor

ES#4316488 - 13627525015 - Crankshaft Position Sensor - Having a crank but no starting issue? This sensor is often the culprit - Bavarian Autosport - BMW

Having a crank but no starting issue? This sensor is often the culprit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4316488
Mfg#:
13627525015
Special Order: No Guaranteed ETA
Auto Notify
$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Crankshaft Position Sensor

Engine cranks but doesn't start? This sensor is often the issue. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hitachi - Corporate Logo
ES#:
5396593
Mfg#:
13627525015
Ships in 6 Business Days
$66.99 USD
Free Shipping
on orders $49 and up

Connection Cable B+

ES#163080 - 61126957941 - Connection Cable B+ - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
163080
Mfg#:
61126957941
Ships in 1-2 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.

$33.99

This product was last offered at the strikethrough price on
06-05-2026

$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#5396594 - 12141709616 - Crankshaft Position Sensor - Does not include O-ring - Hitachi - BMW

Does not include O-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hitachi - Corporate Logo
ES#:
5396594
Mfg#:
12141709616
Back Ordered
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E36 Battery Bracket

ES#30100 - 12421432906 - E36 Battery Bracket - Holds the battery secure. - Genuine BMW - BMW

Holds the battery secure. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
30100
Mfg#:
12421432906
Ships in 1-2 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.

$32.99

This product was last offered at the strikethrough price on
06-05-2026

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Underhood Battery Connection

ES#30104 - 12421433232 - Underhood Battery Connection - Genuine BMW replacement battery connection. - Genuine BMW - BMW

Genuine BMW replacement battery connection. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
30104
Mfg#:
12421433232
Ships in 1-2 days
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
06-05-2026

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

Negative Battery Cable

ES#30213 - 12421732227 - Negative Battery Cable - The negative battery cable that provides a ground for your battery - Genuine BMW - BMW

The negative battery cable that provides a ground for your battery affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
30213
Mfg#:
12421732227
Ships in 4 Business Days
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
06-05-2026

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

Relay

ES#2863068 - 61311378297 - Relay - Replacement relay for the typical white-green and orange relays found in your vehicle - Rein - BMW MINI

Replacement relay for the typical white-green and orange relays found in your vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2863068
Mfg#:
61311378297
Ships in 3 Business Days
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Flat Connector - Priced Each

ES#165140 - 61136920092 - Flat Connector - Priced Each - Used for fuse box connections - Genuine BMW - BMW

Used for fuse box connections affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
165140
Mfg#:
61136920092
Ships in 1-2 days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Cable - Negative

ES#2611924 - 61129255047 - Battery Cable - Negative - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for cars with Navigation S609A, or Mobile Phone Preparation S639A and S640A.

Brand:
Genuine BMW - Corporate Logo
ES#:
2611924
Mfg#:
61129255047
Ships in 1-2 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.

$63.99

This product was last offered at the strikethrough price on
06-05-2026

$61.99 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

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

Brand:
Genuine BMW - Corporate Logo
ES#:
31278
Mfg#:
12521703202
Ships in 1-2 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.

$65.99

This product was last offered at the strikethrough price on
06-05-2026

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery - Rollover Bar

ES#2596532 - 61217601939 - Battery - Rollover Bar - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
2596532
Mfg#:
61217601939
Ships in 1-2 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.

$65.99

This product was last offered at the strikethrough price on
06-05-2026

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bush

ES#29259 - 12311276227 - Bush - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
29259
Mfg#:
12311276227
Ships in 1-2 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.

$31.99

This product was last offered at the strikethrough price on
06-05-2026

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Compartment Cover

ES#123650 - 51478119105 - Battery Compartment Cover - Used to cover the battery area - Genuine BMW - BMW

Used to cover the battery area affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For convertible models only

Brand:
Genuine BMW - Corporate Logo
ES#:
123650
Mfg#:
51478119105
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.

$62.99

This product was last offered at the strikethrough price on
06-05-2026

$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

Restore proper alternator functionality with a new voltage regulator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This part is for cars with 80A Valeo alternators

Brand:
Hitachi - Corporate Logo
ES#:
5396623
Mfg#:
12321739435
Back Ordered
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Base B+ - 2X

ES#165911 - 61138387546 - Base B+ - 2X - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
165911
Mfg#:
61138387546
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.

$61.99

This product was last offered at the strikethrough price on
06-05-2026

$59.99 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.

Let us help you find the parts that fit your BMW

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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