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BMW 335i Engine Electrical Parts

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Motiv ReFlex Plug-n-Play Ethanol Sensor Harness

ES#4731941 - 101-0212 - Motiv ReFlex Plug-n-Play Ethanol Sensor Harness - For Vehicles With Motiv ReFlex Unit Currently Installed - Motiv Motorsports - BMW

For Vehicles With Motiv ReFlex Unit Currently Installed affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles With Motiv ReFlex Unit Currently Installed Only

Brand:
Motiv Motorsports - Corporate Logo
ES#:
4731941
Mfg#:
101-0212
In Stock
$49.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

TMAP Sensors & PNP Adapters

ES#3969322 - 3.5 Bar TMAP - TMAP Sensors & PNP Adapters - JB4 3.5 bar plug and play TMAP adapters - Burger Motorsports - BMW

JB4 3.5 bar plug and play TMAP adapters affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
3969322
Mfg#:
3.5 BAR TMAP
In Stock
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Low Pressure Fuel Pump

ES#2702296 - 16147163298 - Low Pressure Fuel Pump - Commonly called in-tank fuel pump includes integrated level sensor - Continental - BMW
ECS Tuning recommends this product.

Commonly called in-tank fuel pump includes integrated level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2702296
Mfg#:
16147163298
Ships on Jun 19, 2026
Auto Notify
$343.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Negative Battery Cable 6PK 010 562-901

ES#3551063 - 12427603567 - Negative Battery Cable 6PK 010 562-901 - Replacement cable with Intelligent Battery Sensor. - Hella - BMW MINI
ECS Tuning recommends this product.

Replacement cable with Intelligent Battery Sensor. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hella - Corporate Logo
ES#:
3551063
Mfg#:
12427603567
In Stock
$153.73 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intensity Carbon Lithium-ION Battery - i48CX - 10.5lbs

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

Lightweight AGM Battery

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

Relay - Salmon Red

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

Turner Motorsport E9X Cowl Delete Harness Mounting Bracket

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

ReFlex+ Main Injector Harness - Inline-6

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

CTEK Battery Charger - MXS 5.0 4.3 Amp 12 Volt

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

OEM Bosch TMAP Sensor - 4 Bar

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 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
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

MAP Sensor

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!

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

Oxygen Sensor - Downstream Catalytic Converter

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 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
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

Starter Replacement Kit

ES#4147632 - SR0492NKT - Starter Replacement Kit - Includes new starter with no core charge, intake gaskets, throttle body gasket and hardware. - Assembled By ECS - BMW

Includes new starter with no core charge, intake gaskets, throttle body gasket 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#:
4147632
Mfg#:
SR0492NKT
In Stock
$303.99

This product was last offered at the strikethrough price on
03-17-2026

$290.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B58 Ignition Coil Conversion Kit - Late N55

ES#5339661 - 051421LA01 - B58 Ignition Coil Conversion Kit - Late N55 - The ULTIMATE N55 ignition system upgrade! This plug-and-play conversion kit offers a 2.3x increase in spark energy and supports over 1000 HP. - Turner Motorsport - BMW

The ULTIMATE N55 ignition system upgrade! This plug-and-play conversion kit offers a 2.3x increase in spark energy and supports over 1000 HP. 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 01/2011

Brand:
Turner Motorsport - Corporate Logo
ES#:
5339661
Mfg#:
051421LA01
In Stock
ON SALE!
Starting at $427.49 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Integrated Power Supply Module

ES#4820804 - 12637591534 - Integrated Power Supply Module - Sits on top of the battery - Hamburg Tech - BMW

Sits on top of the battery affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4820804
Mfg#:
12637591534
Ships in 1 Business Day
$195.00 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.

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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