Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply
affirm financing terms & conditions

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

BMW E90 335xi N54 3.0L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
affirm financing terms & conditions
garage-red
Your Vehicle BMW E90 335xi N54 3.0L
Your Vehicle BMW E90 335xi N54 3.0L
Change Clear

BMW E90 335xi N54 3.0L Engine Parts & Accessories

Sort By
Filter By
Return to Top

Oil Level Indicator - Includes Nuts and Sealing Gasket

ES#4675715 - 12617607910KT - Oil Level Indicator - Includes Nuts and Sealing Gasket - Reads oil level in oil pan - Hamburg Tech - BMW

Reads oil level in oil pan 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#:
4675715
Mfg#:
12617607910KT
In Stock
$152.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Kohlefaser Luft-Technik Intake System

ES#2713282 - 000951ECS - Kohlefaser Luft-Technik Intake System - In-house engineered to maximize intake airflow for dyno-proven, industry-leading power gains: up to 18hp and 13ft-lbs of torque - at the wheels! - ECS - BMW

In-house engineered to maximize intake airflow for dyno-proven, industry-leading power gains: up to 18hp and 13ft-lbs of torque - at the wheels! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Hand-laid carbon fiber construction for light weight and dramatic style.

Brand:
ECS - Corporate Logo
ES#:
2713282
Mfg#:
000951ECS
In Stock
ON SALE! SAVE 15%
$1150.99

This product was last offered at the strikethrough price on
06-13-2026

$978.34 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Multi Purpose Relay (150 Amp) (Black)

ES#169421 - 61367661503 - Multi Purpose Relay (150 Amp) (Black) - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
169421
Mfg#:
61367661503
In Stock
ON SALE!
$129.99

This product was last offered at the strikethrough price on
06-25-2026

$123.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Fuel Lines W/ Ethanol Sensor Connection - AN6

ES#4620741 - 201-0247 - Upgraded Fuel Lines W/ Ethanol Sensor Connection - AN6 - High-flow, smooth bore PTFE fuel line that allows the installation of a Continental Flex Fuel Sensor - Precision Raceworks - BMW

High-flow, smooth bore PTFE fuel line that allows the installation of a Continental Flex Fuel Sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4620741
Mfg#:
201-0247
In Stock
$164.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3504771 - 17137640514 - Coolant Expansion Tank - Includes level sensor - Rein - BMW
ECS Tuning recommends this product.

Includes level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3504771
Mfg#:
17137640514
In Stock
ON SALE!
$70.99

This product was last offered at the strikethrough price on
06-22-2026

$66.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Decoupling Element - Priced Each

ES#33738 - 13537564751 - Decoupling Element - Priced Each - The metal ring found on the end of the injector - Genuine BMW - BMW

The metal ring found on the end of the injector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
33738
Mfg#:
13537564751
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor - Priced Each

ES#4766520 - 13627525014 - Camshaft Position Sensor - Priced Each - Monitors camshaft location - Bremmen Parts - BMW MINI

Monitors camshaft location affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

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

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766520
Mfg#:
13627525014
In Stock
ON SALE! SAVE 17%
$41.99

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

$34.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Automatic Transmission Service Kit - Lifeguard 6 Fluid

ES#4642925 - 24152333907KT - Automatic Transmission Service Kit - Lifeguard 6 Fluid - GA6HP19Z Automatic Transmission Service Kit Includes all the necessary components for a complete transmission fluid service - ZF - BMW

GA6HP19Z Automatic Transmission Service Kit Includes all the necessary components for a complete transmission fluid service We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
GA6HP19Z Service Kit
For Automatic Transmission GA6HP19Z.

Brand:
ZF - Corporate Logo
ES#:
4642925
Mfg#:
24152333907KT
In Stock
$302.99

This product was last offered at the strikethrough price on
03-31-2026

$254.99 USD
Free Shipping
on orders $49 and up

Integrated Oil Pressure Sensor Kit - N54

ES#4629260 - n54oilsensor - Integrated Oil Pressure Sensor Kit - N54 - The plug & play harness is assembled in the USA from premium materials. - Nexsys Motorsport - BMW

The plug & play harness is assembled in the USA from premium materials. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nexsys Motorsport - Corporate Logo
ES#:
4629260
Mfg#:
N54OILSENSOR
Ships in 9 Business Days
Auto Notify
$169.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54/N55 BMW Automatic Transmission Cooler - 335 W/Thermostat

ES#4714975 - BMS-335-TC-WTH - N54/N55 BMW Automatic Transmission Cooler - 335 W/Thermostat - Keep your automatic transmission temperatures under control - Burger Motorsports - BMW

Keep your automatic transmission temperatures under control affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714975
Mfg#:
BMS-335-TC-WTH
Back Ordered
$573.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMP Cylinder Head Coolant Flange

ES#4880971 - 601-0003 - BMP Cylinder Head Coolant Flange - Replaces the stock plastic flange found in the thermostat to cylinder head coolant hose that is known to fail - Precision Raceworks - BMW

Replaces the stock plastic flange found in the thermostat to cylinder head coolant hose that is known to fail affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4880971
Mfg#:
601-0003
In Stock
$24.99 USD
Free Shipping
on orders $49 and up

Front Mount Intercooler Kit - 7.5" Race - Black

ES#4506198 - E9X-DF-RACE - Front Mount Intercooler Kit - 7.5" Race - Black - Upgrade your intercooler to reduce charge temperatures and increase power - Capable of supporting 800+ HP! - CTS - BMW

Upgrade your intercooler to reduce charge temperatures and increase power - Capable of supporting 800+ HP! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4506198
Mfg#:
E9X-DF-RACE
Ships in 7 Business Days
$479.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Flange Nut - Priced Each

ES#4045738 - 18407502196 - Flange Nut - Priced Each - Used to secure the exhaust manifold to the cylinder head - Elring - BMW
ECS Tuning recommends this product.

Used to secure the exhaust manifold to the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4045738
Mfg#:
18407502196
In Stock
$3.51 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Installation Kit - Single

ES#2731857 - 13537564751KT - Fuel Injector Installation Kit - Single - Everything you need to install a new fuel injector - Genuine BMW - BMW

Everything you need to install a new fuel injector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2731857
Mfg#:
13537564751KT
In Stock
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54 Crank Seal Guard & Performance Kevlar-Reinforced Accessory Belt

ES#4876652 - 049453LA01-02KT8 - N54 Crank Seal Guard & Performance Kevlar-Reinforced Accessory Belt - Protect your engine from catastrophic damage and upgrade your accessory belt with this Enthusiast Bundle! - Enthusiast Bundles - BMW

Protect your engine from catastrophic damage and upgrade your accessory belt with this Enthusiast Bundle! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876652
Mfg#:
049453LA01-02KT8
Ships on Aug 3, 2026
Auto Notify
ON SALE! SAVE 47%
$170.99

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

$91.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor

ES#4057188 - 13627599042 - MAP Sensor - Hamburg Tech Map Sensor for maximum flow readings - Hamburg Tech - BMW

Hamburg Tech Map Sensor for maximum flow readings 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#:
4057188
Mfg#:
13627599042
In Stock
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings