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BMW Engine Electrical Parts

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ES#3617648 - i48CX - Intensity Carbon Lithium-ION Battery - i48CX - 10.5lbs - Replace your stock, heavy battery with a direct replacement, lightweight performance Lithium battery that weighs in at only 10.5lbs! - Braille - BMW

Replace your stock, heavy battery with a direct replacement, lightweight performance Lithium battery that weighs in at only 10.5lbs! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi

Brand:
Braille - Corporate Logo
ES#:
3617648
Mfg#:
I48CX
Ships in 4 Business Days
$1164.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4390907 - MSPNP2-B8793 - MSPNP Gen2 Plug And Play ECU - E30/325i/E32/E34 1987-1993 - Replace your ECU with a tunable racing ECU from MegaSquirt! - MegaSquirt - BMW

Replace your ECU with a tunable racing ECU from MegaSquirt! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MegaSquirt - Corporate Logo
ES#:
4390907
Mfg#:
MSPNP2-B8793
Ships in 5 Business Days
$829.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4147680 - 12412354693bKT - Starter Motor Replacement Kit  - Includes starter with no core charge, intake gaskets, and hardware. - Assembled By ECS - BMW

Includes starter with no core charge, intake gaskets, and hardware. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4147680
Mfg#:
12412354693BKT
In Stock
$269.99

This product was last offered at the strikethrough price on
03-16-2026

$230.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4316218 - 16146766942 - Fuel Pump Assembly - Located in the fuel tank-includes fuel level sending unit - Bosch - BMW

Located in the fuel tank-includes fuel level sending unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4316218
Mfg#:
16146766942
Ships in 2 Business Days
$185.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#34456 - 13627834713 - Engine Ionic Current Controller - priced each - Controls the engine current - Genuine BMW - BMW

Controls the engine current affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
34456
Mfg#:
13627834713
Ships in 3 Business Days
$463.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4315965 - 007629LA02 - Turner Motorsport E9X Cowl Delete Harness Mounting Bracket - Get rid of all your plastic in your engine bay for a cleaner look! Completely eliminates the bulky, obtrusive cabin filter housing for more room underhood - offering more room to access the engine. - Turner Motorsport - BMW

Get rid of all your plastic in your engine bay for a cleaner look! Completely eliminates the bulky, obtrusive cabin filter housing for more room underhood - offering more room to access the engine. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4315965
Mfg#:
007629LA02
In Stock
ON SALE! SAVE 35%
$141.99

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

$91.72 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3617608 - B2015 - Lightweight AGM Battery  - Perfect upgrade to get rid of a troublesome Lead-Acid battery and add both power and reliability at the same time! - Braille - BMW MINI

Perfect upgrade to get rid of a troublesome Lead-Acid battery and add both power and reliability at the same time! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Braille - Corporate Logo
ES#:
3617608
Mfg#:
B2015
Ships in 8 Business Days
$237.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4017894 - 0281002576 - OEM Bosch TMAP Sensor - 4 Bar - Increase your maximum boost range up to 43psi - Bosch - BMW

Increase your maximum boost range up to 43psi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Adapter harness required for installation, this is not a direct replacement sensor

Brand:
Bosch - Corporate Logo
ES#:
4017894
Mfg#:
0281002576
In Stock
$78.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#31912 - 12631742690 - Relay - Salmon Red - Used in many places on late model BMWs - Genuine BMW - BMW MINI

Used in many places on late model BMWs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
31912
Mfg#:
12631742690
In Stock
7% off MSRP

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

$24.65

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

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4810312 - 900.1008 - ReFlex+ Main Injector Harness - Inline-6 - Main Injector Harness For Installation of ReFlex+ For Inline-6 BMW Engines - Motiv Motorsports - BMW

Main Injector Harness For Installation of ReFlex+ For Inline-6 BMW Engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Motiv Motorsports - Corporate Logo
ES#:
4810312
Mfg#:
900.1008
In Stock
$200.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2550740 - 12120032273 - Spark Plug - Priced Each - NGK - BMW
ECS Tuning recommends this product.

Priced Each affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
2550740
Mfg#:
12120032273
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#261312 - 12120032138 - Bosch Spark Plug - Priced Each - Bosch Part # FR7NPP332 - Bosch - BMW
ECS Tuning recommends this product.

Bosch Part # FR7NPP332 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
261312
Mfg#:
12120032138
In Stock
$14.27

This product was last offered at the strikethrough price on
02-26-2026

$9.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4465086 - CTEK40-206 - CTEK Battery Charger - MXS 5.0 4.3 Amp 12 Volt - Fully automatic microprocessor controlled charger with built-in automatic temperature sensor - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Fully automatic microprocessor controlled charger with built-in automatic temperature sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTEK - Corporate Logo
ES#:
4465086
Mfg#:
CTEK40-206
In Stock
$113.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4766522 - 13627599042 - MAP Sensor - Replace your faulty sensor to restore engine performance and fuel economy - Bremmen Parts - BMW

Replace your faulty sensor to restore engine performance and fuel economy affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with a production date from 06/2011

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766522
Mfg#:
13627599042
In Stock
ON SALE! SAVE 18%
$56.99

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

$46.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#261733 - 11787523434 - Oxygen Sensor - Front or Rear Manifold - Located in the front position of the exhaust manifold - Bosch - BMW

Located in the front position of the exhaust manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 03/2003

Brand:
Bosch - Corporate Logo
ES#:
261733
Mfg#:
11787523434
In Stock
Limited Qty Sale
$210.65

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

$170.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3031909 - 11787589475 - Oxygen Sensor - Downstream Catalytic Converter - 690mm. Rear O2 sensor/Lambda probe - Bosch - BMW
ECS Tuning recommends this product.

690mm. Rear O2 sensor/Lambda probe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Up to 07/2013 production date

Brand:
Bosch - Corporate Logo
ES#:
3031909
Mfg#:
11787589475
In Stock
$223.99

This product was last offered at the strikethrough price on
04-30-2026

$172.99 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.

Other BMW Engine Electrical Parts

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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