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BMW E90 335xi N55 3.0L

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BMW E90 335xi N55 3.0L Performance Engine Parts

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MMX Crank Hub Kit

ES#4429936 - MMR20-1003FK - MMX Crank Hub Kit - Install MMX's One-Piece Crank Hub as a Solution to Hub Slippage! Includes a Capture Plate for Extra Security against parts Loosening. - MMX Performance - BMW

Install MMX's One-Piece Crank Hub as a Solution to Hub Slippage! Includes a Capture Plate for Extra Security against parts Loosening. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MMX Performance - Corporate Logo
ES#:
4429936
Mfg#:
MMR20-1003FK
Ships in 2 Business Days
$849.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMS Pedal Tuner - Automatic Transmission

ES#3643099 - BMSPBT - BMS Pedal Tuner - Automatic Transmission - Remove the dead area from your throttle pedal. - Burger Motorsports - BMW

Remove the dead area from your throttle pedal. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
3643099
Mfg#:
BMSPBT
In Stock
$199.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Low-Pressure Bucketless Fuel Pump - Stage 2

ES#4364608 - 601-0017 - Low-Pressure Bucketless Fuel Pump - Stage 2 - Increased fueling for bigger power - supports up to 600whp! Modular design for future upgrades! - Precision Raceworks - BMW

Increased fueling for bigger power - supports up to 600whp! Modular design for future upgrades! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4364608
Mfg#:
601-0017
In Stock
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ethanol Content Sensor

ES#4811073 - 100.1037 - Ethanol Content Sensor - Add in A Genuine VDO Ethanol Sensor! - VDO - BMW

Add in A Genuine VDO Ethanol Sensor! 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#:
4811073
Mfg#:
100.1037
In Stock
$96.99

This product was last offered at the strikethrough price on
04-17-2026

$94.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54/N55 Cat-Back Exhaust

ES#4818164 - 049784LA - N54/N55 Cat-Back Exhaust - A true dual exhaust featuring twin oversized 2.5" exhaust sections, lightweight mufflers, and a rowdy exhaust note. - ECS - BMW

A true dual exhaust featuring twin oversized 2.5" exhaust sections, lightweight mufflers, and a rowdy exhaust note. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4818164
Mfg#:
049784LA
In Stock
ON SALE!
Starting at $1095.12 USD
Customize
This product is lifetime replacement eligible Lifetime Replacement

B58 Ignition Coil Conversion Kit - Early N55

ES#4858896 - 053681LA - B58 Ignition Coil Conversion Kit - Early 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 Produced Before 01/2011

Brand:
Turner Motorsport - Corporate Logo
ES#:
4858896
Mfg#:
053681LA
In Stock
ON SALE!
Starting at $413.09 USD
Customize
Free Shipping
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

ECS Tuning Baffled Oil Catch Can - 8oz

ES#4369812 - 003779ECS05-02 - ECS Tuning Baffled Oil Catch Can - 8oz - Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! - ECS - Audi BMW Volkswagen MINI

Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For use with custom plumbing and ECS universal mounting bracket kit

Brand:
ECS - Corporate Logo
ES#:
4369812
Mfg#:
003779ECS05-02
In Stock
ON SALE! SAVE 10%
$238.99

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

$215.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost Cooler Stage 3 DI ProLine Water/Methanol Injection

ES#4698806 - SP10317PRO - Boost Cooler Stage 3 DI ProLine Water/Methanol Injection - Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings. - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4698806
Mfg#:
SP10317PRO
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54/N55 Performance Stepped Intercooler

ES#4920130 - 004253LA02 - N54/N55 Performance Stepped Intercooler - Increased charge air volume and inflow area delivering lower intake air temperatures and increased performance. - Turner Motorsport - BMW

Increased charge air volume and inflow area delivering lower intake air temperatures and increased performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4920130
Mfg#:
004253LA02
Ships in 8 Business Days
ON SALE! SAVE 15%
$478.99

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

$407.14 USD
Free Shipping

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
ON SALE!
$479.99

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

$449.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Throttle Booster

ES#4624166 - D440-1700 - Throttle Booster - Wireless controlled unit that allows adjustable throttle response control - Dinan - BMW MINI

Wireless controlled unit that allows adjustable throttle response control Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
4624166
Mfg#:
D440-1700
In Stock
11% off MSRP

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

$325.99

This product was last offered at the strikethrough price on
06-28-2026

$288.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ARP Head Stud Kit, BMW N55/S55 - Custom Age 625+

ES#4736733 - ARP-HSK-S56-CA - ARP Head Stud Kit, BMW N55/S55 - Custom Age 625+ - Upgrade to 5150's Custom Age 625+ Head Stud Kit Built by ARP! - 5150 Autosport - BMW

Upgrade to 5150's Custom Age 625+ Head Stud Kit Built by ARP! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4736733
Mfg#:
ARP-HSK-S56-CA
Ships in 3 Business Days
$999.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Kies WiFi ENET Adapter - F/G Chassis

ES#4430607 - KIES07-WIFI-AD - Kies WiFi ENET Adapter - F/G Chassis - With the all-new Kies WiFi Enet Adapter, you can now use your favorite apps, wirelessly, from one convenient dongle! - Kies Motorsports - BMW MINI

With the all-new Kies WiFi Enet Adapter, you can now use your favorite apps, wirelessly, from one convenient dongle! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Kies Motorsports - Corporate Logo
ES#:
4430607
Mfg#:
KIES07-WIFI-AD
In Stock
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Cowl Delete/Cabin Filter Set

ES#4500859 - 007629LA01-02 - Turner Motorsport Cowl Delete/Cabin Filter Set - Clear up the clutter in your engine bay and be able to access the back of the motor without taking off the whole windshield cowl. - Turner Motorsport - BMW

Clear up the clutter in your engine bay and be able to access the back of the motor without taking off the whole windshield cowl. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4500859
Mfg#:
007629LA01-02
In Stock
ON SALE! SAVE 25%
$87.99

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

$65.99 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.

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