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BMW E90 335i N55 Engine Electrical Parts

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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 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

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

MAP Sensor

ES#3198244 - 13628644432 - MAP Sensor - Replace your faulty sensor to restore engine performance and fuel economy - Genuine BMW - BMW

Replace your faulty sensor to restore engine performance and fuel economy

Brand:
Genuine BMW - Corporate Logo
ES#:
3198244
Mfg#:
13628644432
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.

$162.99

This product was last offered at the strikethrough price on
08-21-2026

$154.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multi-Pump Fuel Surge Tank (MPFST)

ES#4820337 - 20-1440 - Multi-Pump Fuel Surge Tank (MPFST) - Pump Compatibility with Walbro GSS342, AEM 50-1200, Deatschwerks DW440 - Radium Engineering - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Pump Compatibility with Walbro GSS342, AEM 50-1200, Deatschwerks DW440

Brand:
Radium Engineering - Corporate Logo
ES#:
4820337
Mfg#:
20-1440
In Stock
$549.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor - Priced Each

ES#3691117 - 13627525014 - Camshaft Position Sensor - Priced Each - Monitors camshaft location - Hella - BMW MINI

Monitors camshaft location Two required per engine, may be replaced separately as needed.

Brand:
Hella - Corporate Logo
ES#:
3691117
Mfg#:
13627525014
In Stock
$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Set Of Six

ES#2771080 - 12138616153s6KT - Ignition Coil - Set Of Six - Give your engine a new spark - Genuine BMW - BMW

Give your engine a new spark

Brand:
Genuine BMW - Corporate Logo
ES#:
2771080
Mfg#:
12138616153S6KT
In Stock
$521.99

This product was last offered at the strikethrough price on
08-04-2026

$516.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

SCORCHER High-Performance Ignition Coil - Set Of 6

ES#5396075 - 77-92013-MC - SCORCHER High-Performance Ignition Coil - Set Of 6 - SCORCHER High-Performance Ignition Coils produce a high energy spark that ensures complete combustion from idle to redline - AFE - BMW

SCORCHER High-Performance Ignition Coils produce a high energy spark that ensures complete combustion from idle to redline

Brand:
AFE - Corporate Logo
ES#:
5396075
Mfg#:
77-92013-MC
In Stock
20% off MSRP

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

$327.99

This product was last offered at the strikethrough price on
08-21-2026

$262.00 USD
Free Shipping
on orders $49 and up

BMW 3.5 Bar TMAP Sensor Upgrade Kit (N54/ Early N55)

ES#5492066 - 13628644433KT - BMW 3.5 Bar TMAP Sensor Upgrade Kit (N54/ Early N55) - Push past the factory boost limits without paying the "BMW tax." Ensure accurate boost readings and safe fueling up to 36 PSI with this Bremmen Parts 3.5 Bar sensor and Plug and Play adapter kit. - Assembled By ECS - BMW

Push past the factory boost limits without paying the "BMW tax." Ensure accurate boost readings and safe fueling up to 36 PSI with this Bremmen Parts 3.5 Bar sensor and Plug and Play adapter kit. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5492066
Mfg#:
13628644433KT
Ships in 1 Business Day
$109.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Positive Cable Battery Connection Pole

ES#4920506 - 61129217031 - Positive Cable Battery Connection Pole - Required replacement in post accident repairs - URO - BMW

Required replacement in post accident repairs 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO - Corporate Logo
ES#:
4920506
Mfg#:
61129217031
In Stock
$130.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ground Wire

ES#30338 - 12427549393 - Ground Wire - Grounds the starter to the body of the car - Genuine BMW - BMW

Grounds the starter to the body of the car

Brand:
Genuine BMW - Corporate Logo
ES#:
30338
Mfg#:
12427549393
In Stock
1% off MSRP

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

$60.40

This product was last offered at the strikethrough price on
08-21-2026

$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#3672423 - 12137571643A - Ignition Coil - Priced Each - Give your engine a new spark. - Bavarian Autosport - BMW MINI

Give your engine a new spark. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
3672423
Mfg#:
12137571643A
In Stock
ON SALE! SAVE 20%
$37.99

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

$30.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lightweight AGM Battery

ES#3617613 - B3121 - 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

Perfect upgrade to get rid of a troublesome Lead-Acid battery and add both power and reliability at the same time!

Brand:
Braille - Corporate Logo
ES#:
3617613
Mfg#:
B3121
Ships in 6 Business Days
$270.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Positive Battery Lead

ES#163895 - 61129125036 - Positive Battery Lead - Connects to the power distributer - Genuine BMW - BMW

Connects to the power distributer

Brand:
Genuine BMW - Corporate Logo
ES#:
163895
Mfg#:
61129125036
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.

$509.99

This product was last offered at the strikethrough price on
08-21-2026

$493.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Relay - White Green

ES#169431 - 61368373700 - Relay - White Green - Replaces relays of the same color - Genuine BMW - BMW MINI

Replaces relays of the same color

Brand:
Genuine BMW - Corporate Logo
ES#:
169431
Mfg#:
61368373700
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.

$24.65

This product was last offered at the strikethrough price on
05-04-2026

$23.59 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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