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BMW M3 Engine Electrical Parts

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Remanufactured Alternator - 120amp

ES#1897172 - 12317831436 - Remanufactured Alternator - 120amp - Includes $80.00 refundable core charge - Bosch - BMW

Includes $80.00 refundable core charge We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1897172
Mfg#:
12317831436
In Stock
$512.99

This product was last offered at the strikethrough price on
03-30-2026

$293.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor

ES#34423 - 13627566786 - Knock Sensor - A failed knock sensor can cause major performance issues - Genuine BMW - BMW

A failed knock sensor can cause major performance issues

Brand:
Genuine BMW - Corporate Logo
ES#:
34423
Mfg#:
13627566786
Ships in 2 Business Days
ON SALE!
$158.99

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

$146.51 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AMP Plug-and-Play ECU - WITH Internal Wideband (recommended)

The next evolution of the proven MSPNP-Pro platform, built on the same trusted MS3Pro Technology used in high-performance motorsports applications worldwide

Brand:
MegaSquirt - Corporate Logo
ES#:
5506688
Mfg#:
AMP-PNP-E36OBD2W
Ships in 8 Business Days
$1449.99 USD

Crankshaft Position Sensor

ES#2562193 - 13627525015 - Crankshaft Position Sensor - Having a crank but no starting issue? This sensor is often the culprit - Continental - BMW

Having a crank but no starting issue? This sensor is often the culprit We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2562193
Mfg#:
13627525015
Ships on Feb 1, 2027
$89.63 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ReFlex+ Install Harness - Flying Lead

ES#4810316 - 900.1016 - ReFlex+ Install Harness - Flying Lead - Universal - Flying Lead Installation Harness - Motiv Motorsports - BMW

Universal - Flying Lead Installation Harness

Brand:
Motiv Motorsports - Corporate Logo
ES#:
4810316
Mfg#:
900.1016
In Stock
$95.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body

ES#34221 - 13547838245 - Throttle Body - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
34221
Mfg#:
13547838245
Ships in 4 Business Days
2% off MSRP

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

$724.99

This product was last offered at the strikethrough price on
09-05-2026

$706.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#28835 - 12147539171 - Camshaft Position Sensor - Located on rear of the cylinder head, sensing the intake cam - Genuine BMW - BMW

Located on rear of the cylinder head, sensing the intake cam Sensor for the intake camshaft

Brand:
Genuine BMW - Corporate Logo
ES#:
28835
Mfg#:
12147539171
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.

$247.99

This product was last offered at the strikethrough price on
09-05-2026

$233.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMW F3x/F8x Billet Top Hat

ES#4883068 - 601-0331 - BMW F3x/F8x Billet Top Hat - A premium upgrade designed to deliver unparalleled fuel system reliability and versatility. - Precision Raceworks - BMW

A premium upgrade designed to deliver unparalleled fuel system reliability and versatility.

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883068
Mfg#:
601-0331
Ships in 6 Business Days
$699.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass airflow sensor

ES#2739586 - 13627547982KT - Mass airflow sensor - Price includes $228 core charge - Genuine BMW - BMW

Price includes $228 core charge

Brand:
Genuine BMW - Corporate Logo
ES#:
2739586
Mfg#:
13627547982KT
Back Ordered
$1368.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF) 0280218266

ES#5394238 - 13627602038 - Mass Air Flow Sensor (MAF) 0280218266 - Fits into the back of the air intake box - URO - BMW MINI

Fits into the back of the air intake box 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO - Corporate Logo
ES#:
5394238
Mfg#:
13627602038
Back Ordered
Auto Notify
$90.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Cable - Positive - Battery Terminal to Under-Floor Cable

ES#3193564 - 61126834543 - Battery Cable - Positive - Battery Terminal to Under-Floor Cable - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
3193564
Mfg#:
61126834543
In Stock
3% off MSRP

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

$280.99

This product was last offered at the strikethrough price on
09-05-2026

$271.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#3023831 - 12141726066 - Crankshaft Position Sensor - Having a crank but no starting issue? This sensor is often the culprit - Hella - BMW

Having a crank but no starting issue? This sensor is often the culprit

Brand:
Hella - Corporate Logo
ES#:
3023831
Mfg#:
12141726066
In Stock
$109.99

This product was last offered at the strikethrough price on
08-01-2026

$96.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor - with hardware

ES#2856013 - 12617508003KT1 - Oil Level Sensor - with hardware - Turn that oil level light off, Includes new hardware - Genuine BMW - BMW

Turn that oil level light off, Includes new hardware

Brand:
Genuine BMW - Corporate Logo
ES#:
2856013
Mfg#:
12617508003KT1
Ships in 1-2 days
$335.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Battery Bracket/Battery Hold Down

ES#166134 - 61218370984 - Battery Bracket/Battery Hold Down - Keep your battery secure - Genuine BMW - BMW

Keep your battery secure

Brand:
Genuine BMW - Corporate Logo
ES#:
166134
Mfg#:
61218370984
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.

$86.99

This product was last offered at the strikethrough price on
09-05-2026

$83.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AMP Plug-and-Play ECU - NO Internal Wideband

The next evolution of the proven MSPNP-Pro platform, built on the same trusted MS3Pro Technology used in high-performance motorsports applications worldwide

Brand:
MegaSquirt - Corporate Logo
ES#:
5506687
Mfg#:
AMP-PNP-E36OBD2
Ships in 8 Business Days
$1299.99 USD

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

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Manufacturer names and/or part numbers are used only for identification purposes.

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