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 335i N55 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 335i N55 3.0L
Your Vehicle BMW E90 335i N55 3.0L
Change Clear

BMW E90 335i N55 3.0L Engine Parts & Accessories

Sort By
Filter By
Return to Top

Electronic Throttle Body

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

Brand:
VDO - Corporate Logo
ES#:
4414733
Mfg#:
13547597871
Special Order: No Guaranteed ETA
$354.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Upstream Catalytic Converter

ES#2138052 - 11787596924 - Oxygen Sensor - Upstream Catalytic Converter - 740mm. Front O2 sensor/Lambda probe - Genuine BMW - BMW

740mm. Front O2 sensor/Lambda probe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2138052
Mfg#:
11787596924
Ships in 3 Business Days
13% off MSRP

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

$406.99

This product was last offered at the strikethrough price on
07-07-2026

$352.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N54/N55 Wireless Ethanol Analyzer Kit - HPFP to OEM Fuel Line (Short)

ES#4341894 - SP-U-EA-S-2 - N54/N55 Wireless Ethanol Analyzer Kit - HPFP to OEM Fuel Line (Short) - Accurately measure the ethanol content of your fuel - Spool Performance - BMW

Accurately measure the ethanol content of your fuel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spool Performance - Corporate Logo
ES#:
4341894
Mfg#:
SP-U-EA-S-2
Special Order: No Guaranteed ETA
$352.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Return Hose

ES#2801883 - 64216951946 - Radiator Return Hose - Connects from the top side of the radiator to the expansion tank - Rein - BMW

Connects from the top side of the radiator to the expansion tank 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#:
2801883
Mfg#:
64216951946
In Stock
$26.99

This product was last offered at the strikethrough price on
03-25-2026

$21.99 USD
Free Shipping
on orders $49 and up

ASA-BOLT - Priced Each

ES#2641280 - 07129905738 - ASA-BOLT - Priced Each - M10X35 - Genuine BMW - BMW

M10X35 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2641280
Mfg#:
07129905738
In Stock
16% off MSRP

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

$9.69

This product was last offered at the strikethrough price on
07-07-2026

$8.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

FTP Motorsport Oil Cooler Kit

ES#3677138 - SG840251007 - FTP Motorsport Oil Cooler Kit - Add an additional cooler to keep oil temps in the proper range. - FTP Motorsport - BMW

Add an additional cooler to keep oil temps in the proper range. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For N54/N55 Engines w/ a factory oil cooler

Brand:
FTP Motorsport - Corporate Logo
ES#:
3677138
Mfg#:
SG840251007
Special Order: No Guaranteed ETA
Auto Notify
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor

ES#4941263 - 13627593624 - Mass Air Flow Sensor - If your vehicle has poor fuel economy or a rough idle, replace it to ensure you get the best gas mileage and performance - Holstein - BMW

If your vehicle has poor fuel economy or a rough idle, replace it to ensure you get the best gas mileage and performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Holstein - Corporate Logo
ES#:
4941263
Mfg#:
13627593624
Back Ordered
$174.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Carrier - Right

ES#3998893 - 17107524914 - Radiator Carrier - Right - Plastic side frame for radiator - URO - BMW

Plastic side frame for radiator 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:
URO - Corporate Logo
ES#:
3998893
Mfg#:
17107524914
In Stock
$49.99 USD
Free Shipping
on orders $49 and up

Repair wire for Positive Battery Cable to fuse box

ES#2633937 - 61129312133 - Repair wire for Positive Battery Cable to fuse box - Replaces the positive battery with a Genuine BMW part. - Genuine BMW - BMW

Replaces the positive battery with a Genuine BMW part. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2633937
Mfg#:
61129312133
Ships in 1 day
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

TechSelect Turbocharger Hose Kit

ES#4658966 - TRK0010 - TechSelect Turbocharger Hose Kit - By using a TechSelect Turbo Kit you ensure a long service life for the turbocharger - Rein - BMW

By using a TechSelect Turbo Kit you ensure a long service life for the turbocharger 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#:
4658966
Mfg#:
TRK0010
Ships in 3 Business Days
$348.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

12mm Oil Drain Valve With Adapter

ES#2209062 - F109N - 12mm Oil Drain Valve With Adapter - Makes oil changes easy as "push-and-turn" - Fumoto - BMW

Makes oil changes easy as "push-and-turn" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fumoto - Corporate Logo
ES#:
2209062
Mfg#:
F109N
Ships in 8 Business Days
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit - With Service Tools

ES#4352338 - 12137594937CDKT2 - Performance Ignition Service Kit - With Service Tools - Everything you need to service your ignition system, featuring one step colder plugs. - Assembled By ECS - BMW

Everything you need to service your ignition system, featuring one step colder plugs. 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#:
4352338
Mfg#:
12137594937CDKT2
In Stock
ON SALE!
$348.99

This product was last offered at the strikethrough price on
03-25-2026

$347.46 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VTT Billet N54/N55 Vacuum/Boost Adapter - Dual Barb Kit

ES#4165029 - N5455VACADAP-DB - VTT Billet N54/N55 Vacuum/Boost Adapter - Dual Barb Kit - The Vacuum Boost Adapter from Vargas Turbos Tehcnologies is an easy way to get a boost source with out having to make irreversible changes to your intake manifold! - Vargas Turbo Technologies - BMW

The Vacuum Boost Adapter from Vargas Turbos Tehcnologies is an easy way to get a boost source with out having to make irreversible changes to your intake manifold! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4165029
Mfg#:
N5455VACADAP-DB
Ships in 1 Business Day
$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Hose

ES#2165528 - 11657588773 - Vacuum Hose - Connects to the pressure converter. - Genuine BMW - BMW

Connects to the pressure converter. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2165528
Mfg#:
11657588773
Ships in 1 day
4% off MSRP

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

$44.99

This product was last offered at the strikethrough price on
07-07-2026

$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Plug Housing

ES#31215 - 12521427615 - Plug Housing - 2 POL - Genuine BMW - BMW MINI

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

Brand:
Genuine BMW - Corporate Logo
ES#:
31215
Mfg#:
12521427615
In Stock
$5.99

This product was last offered at the strikethrough price on
06-08-2026

$5.20 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