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

BMW E90 335xi N55 3.0L Performance Engine Parts

Sort By
Filter By
Return to Top

Ethanol 360 Fittings - 3/8" (9.49mm)

ES#4877329 - 601-0288 - Ethanol 360 Fittings - 3/8" (9.49mm) - Designed to work in almost any application where you have 3/8" (9.49mm) quick connect fittings and need to add a flex fuel sensor! - Precision Raceworks - BMW

Designed to work in almost any application where you have 3/8" (9.49mm) quick connect fittings and need to add a flex fuel sensor! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Universal Product - Please confirm your fuel line size prior to ordering

Brand:
Precision Raceworks - Corporate Logo
ES#:
4877329
Mfg#:
601-0288
In Stock
$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E Series N55 JB4 - Type A Harness

ES#3508706 - JB4-N55-A - E Series N55 JB4 - Type A Harness - Plug & play power gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For 2011 model year vehicles or older. - Burger Motorsports - BMW

Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For 2011 model year vehicles or older. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for sale or use in the state of California.

Brand:
Burger Motorsports - Corporate Logo
ES#:
3508706
Mfg#:
JB4-N55-A
In Stock
$559.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E Series N55 JB4 - Type B Harness

ES#3508707 - JB4-N55-B - E Series N55 JB4 - Type B Harness - Plug & play power gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For 2012 and newer vehicles. - Burger Motorsports - BMW

Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For 2012 and newer vehicles. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for sale or use in the state of California.

Brand:
Burger Motorsports - Corporate Logo
ES#:
3508707
Mfg#:
JB4-N55-B
Ships in 1 Business Day
$559.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VRSF Lower Charge Pipe Upgrade

ES#3984932 - 305450 - VRSF Lower Charge Pipe Upgrade - Upgrade your plastic OEM lower charge pipe - VRSF - BMW

Upgrade your plastic OEM lower charge pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat! Designed to work with VRSF intercooler

Brand:
VRSF - Corporate Logo
ES#:
3984932
Mfg#:
305450
In Stock
$72.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row

ES#2764082 - MM0CUL - Universal Oil Cooler - 19 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764082
Mfg#:
MM0CUL
In Stock at Vendor
$536.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pedal Commander - Throttle Response Controller With Bluetooth

ES#3560716 - PC 10 - Pedal Commander - Throttle Response Controller With Bluetooth - Unleash the hidden power in your vehicle to get instant feedback & response! - Pedal Commander - BMW MINI

Unleash the hidden power in your vehicle to get instant feedback & response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pedal Commander - Corporate Logo
ES#:
3560716
Mfg#:
PC 10
In Stock
$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3.5" Universal Brushed Aluminum Swivel Exhaust Tip - Priced Each

ES#4658277 - 049478LA03-04 - 3.5" Universal Brushed Aluminum Swivel Exhaust Tip - Priced Each - Universal exhaust tips with a swivel adjustability to fine tune your exhaust. 2.5" Inlet & a 3.5" Double Wall, Angle Cut Outlet - Turner Motorsport - BMW MINI

Universal exhaust tips with a swivel adjustability to fine tune your exhaust. 2.5" Inlet & a 3.5" Double Wall, Angle Cut Outlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Can be used on any 2.5" exhaust piping. Measure before ordering.

Brand:
Turner Motorsport - Corporate Logo
ES#:
4658277
Mfg#:
049478LA03-04
Ships on Jul 27, 2026
Auto Notify
ON SALE! SAVE 10%
$56.99

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

$51.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Line Fitting Adapter

ES#2817090 - MM0CF-BMW - Oil Line Fitting Adapter - Allows you to use larger after market oil coolers that utilize AN fittings - Mishimoto - BMW

Allows you to use larger after market oil coolers that utilize AN fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with high speed synchronization

Brand:
Mishimoto - Corporate Logo
ES#:
2817090
Mfg#:
MM0CF-BMW
In Stock
$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Baffled Oil Catch Can - Standard Flow 6oz

ES#4369814 - 022798TMS01-01 - Turner Baffled Oil Catch Can - Standard Flow 6oz - A 4 chamber, baffled oil catch can with a bottom drain option - Turner Motorsport - BMW

A 4 chamber, baffled oil catch can with a bottom drain option affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4369814
Mfg#:
022798TMS01-01
In Stock
ON SALE! SAVE 25%
$218.99

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

$164.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel-It! Flex Fuel Kit - N54/N55 E Chassis

ES#4715444 - FFK-N5xA - Fuel-It! Flex Fuel Kit - N54/N55 E Chassis - Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. - Fuel-It! - BMW

Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fuel-It! - Corporate Logo
ES#:
4715444
Mfg#:
FFK-N5XA
Ships on Jul 28, 2026
Starting at $485.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

4.0" Black Chrome Swivel Exhaust Tips - Set of 2

ES#4901435 - 049478LA01-02KT - 4.0" Black Chrome Swivel Exhaust Tips - Set of 2 - Universal exhaust tips with a swivel adjustability to fine tune your exhaust. 2.5" Inlet & a 4.0" Double Wall, Angle Cut Outlet - Turner Motorsport - BMW MINI

Universal exhaust tips with a swivel adjustability to fine tune your exhaust. 2.5" Inlet & a 4.0" Double Wall, Angle Cut Outlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4901435
Mfg#:
049478LA01-02KT
In Stock
ON SALE! SAVE 10%
$139.99

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

$125.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2.5 Gal. Water-Methanol Tank Upgrade - Quick-Connect Fittings

ES#4147675 - SN0-40014 - 2.5 Gal. Water-Methanol Tank Upgrade - Quick-Connect Fittings - W/Brackets, Solenoid, Hose & All Necessary Fittings - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

W/Brackets, Solenoid, Hose & All Necessary Fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4147675
Mfg#:
SN0-40014
In Stock at Vendor
$140.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ARM 7" Intercooler - Sport Silver

ES#4370560 - 335FMIC7 - ARM 7" Intercooler - Sport Silver - Increase horsepower and cooling efficiency - ARM Motorsports - BMW

Increase horsepower and cooling efficiency affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
May require some trimming of front bumper

Brand:
ARM Motorsports - Corporate Logo
ES#:
4370560
Mfg#:
335FMIC7
Ships in 8 Business Days
$453.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ARP Head Stud Kit BMW S55 Custom Age 625+

ES#4908308 - ARP-HSK-S55-CA - ARP Head Stud Kit BMW S55 Custom Age 625+ - Secure your engine with race-proven durability using the ARP Head Stud Kit the top choice for serious BMW performance enthusiasts and professional builders alike. - 5150 Autosport - BMW

Secure your engine with race-proven durability using the ARP Head Stud Kit the top choice for serious BMW performance enthusiasts and professional builders alike. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
N55 Engines it is a MUST to drill and tap!
N55 Engines it is a MUST to drill and tap!

Brand:
5150 Autosport - Corporate Logo
ES#:
4908308
Mfg#:
ARP-HSK-S55-CA
Back Ordered
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Extended Intake Manifold Studs

ES#4465247 - 501-0018 - Extended Intake Manifold Studs - Perfect for your next intake manifold removal and install! - Precision Raceworks - BMW

Perfect for your next intake manifold removal and install! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4465247
Mfg#:
501-0018
In Stock
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Head Stud Set Brushed For BMW N55 Engine

ES#4920574 - P102061410.BR - Head Stud Set Brushed For BMW N55 Engine - Wagner Tuning - BMW

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

Brand:
Wagner Tuning - Corporate Logo
ES#:
4920574
Mfg#:
P102061410.BR
Ships on Jul 24, 2026
Auto Notify
$449.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

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