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BMW E90 335i N55 3.0L

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BMW E90 335i N55 3.0L Performance Engine Parts

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Water/Methanol (WMI) Direct Port Injection Plate Kit - N54/N55/S55

Direct port injection plate with 1.5GPH nozzles for clean WMI installs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4715662
Mfg#:
40069-2
Ships in 1 Business Day
$742.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Boost Cooler (EFI - Port Injection) - Nylon Line

ES#4144931 - SN0-310 - Stage 3 Boost Cooler (EFI - Port Injection) - Nylon Line - Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4144931
Mfg#:
SN0-310
In Stock at Vendor
$729.99 USD
Free Shipping
on orders $49 and up

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Stepped Left - Mirror

ES#4146842 - 026732TMS02-16 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Stepped Left - Mirror - Left - Mirror Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Turner Motorsport - BMW MINI

Left - Mirror Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146842
Mfg#:
026732TMS02-16
Ships on Oct 29, 2026
Auto Notify
ON SALE! SAVE 32%
$130.99

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

$89.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMS Billet Water/Methanol Injection Tank Cap With Safety Check Valve

ES#4714530 - BMSWMITC - BMS Billet Water/Methanol Injection Tank Cap With Safety Check Valve - The Burger Motorsports custom billet Water/Methanol Injection (WMI) cap includes an integrated heavy-duty check valve to let much-needed air in and prevent dangerous WMI vapor/fumes and liquid from getting out! - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The Burger Motorsports custom billet Water/Methanol Injection (WMI) cap includes an integrated heavy-duty check valve to let much-needed air in and prevent dangerous WMI vapor/fumes and liquid from getting out! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714530
Mfg#:
BMSWMITC
In Stock
$59.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N55 Performance Silicone Radiator Hoses

ES#4920922 - 018739LA01 - N55 Performance Silicone Radiator Hoses - Retains OEM fitment with superior looks and durability. Reuse your factory connectors for easy installation! - ECS - BMW

Retains OEM fitment with superior looks and durability. Reuse your factory connectors for easy installation! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4920922
Mfg#:
018739LA01
In Stock
$117.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Boost Cooler Stage 2.5 Progressive Water/Methanol Injection Kit - no tank

Unlock 50-70 HP on your boosted vehicle while decreasing your air temps by up to 100 degrees! Stainless Steel Braided Line, 4AN Fittings, no tank included! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4608739
Mfg#:
SN0-210-BRD-T
In Stock at Vendor
$687.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Bearing Set of 2 Pairs - 0.50mm Oversized

ES#4424205 - CR222SV0.5 - Connecting Rod Bearing Set of 2 Pairs - 0.50mm Oversized - Replace those Worn Out Rod Bearings! - King - BMW

Replace those Worn Out Rod Bearings! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
+0.50mm

Brand:
King - Corporate Logo
ES#:
4424205
Mfg#:
CR222SV0.5
In Stock at Vendor
$52.00

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

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Expansion Modules - Stage 3.5

ES#4883146 - 601-0071 - Fuel Pump Expansion Modules - Stage 3.5 - Upgrade your existing Stage 2 or 2.5 Black Magic Parts bucketless pump - the stage 3 upgrade supports up to 1100whp! - Precision Raceworks - BMW

Upgrade your existing Stage 2 or 2.5 Black Magic Parts bucketless pump - the stage 3 upgrade supports up to 1100whp! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883146
Mfg#:
601-0071
Ships in 4 Business Days
$339.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.5 Inlet 3.0 OD - Stepped Right - Brushed Stainless

ES#4146865 - 026732TMS06-02 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.5 Inlet 3.0 OD - Stepped Right - Brushed Stainless - Right - Brushed Stainless Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Turner Motorsport - BMW MINI

Right - Brushed Stainless Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146865
Mfg#:
026732TMS06-02
In Stock
ON SALE! SAVE 47%
$125.99

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

$67.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RaceChip GTS Black With App Control - Harness Type B

ES#4349394 - 916736B - RaceChip GTS Black With App Control - Harness Type B - Get up to +75 hp and +105 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip - Race Chip - BMW

Get up to +75 hp and +105 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4349394
Mfg#:
916736B
Ships in 3 Business Days
$658.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3.5" Black Chrome Swivel Exhaust Tips - Set of 2

ES#4901433 - 049478LA03-02KT - 3.5" Black Chrome Swivel Exhaust Tips - Set of 2 - 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!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4901433
Mfg#:
049478LA03-02KT
In Stock
ON SALE!
$136.99

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

$129.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3.5" Mirror Chrome Swivel Exhaust Tips - Set of 4

ES#4715560 - 049478la03-01KT1 - 3.5" Mirror Chrome Swivel Exhaust Tips - Set of 4 - 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!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4715560
Mfg#:
049478LA03-01KT1
In Stock
ON SALE! SAVE 20%
$259.96

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

$207.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JB4 OBDII Cable Replacement - 4 Position (Cable Only)

ES#4940110 - JB4-OBDII-4P7FCA - JB4 OBDII Cable Replacement - 4 Position (Cable Only) - Version 1. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Version 1. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4940110
Mfg#:
JB4-OBDII-4P7FCA
In Stock
$25.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel It N54/55 E-Series Low Pressure Fuel Pump Upgrade Stage 1

ES#3520790 - FILPFPK1 - Fuel It N54/55 E-Series Low Pressure Fuel Pump Upgrade Stage 1 - Installs in line with your factory pump for up to 50% more flow. - Fuel-It! - BMW

Installs in line with your factory pump for up to 50% more flow. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fuel-It! - Corporate Logo
ES#:
3520790
Mfg#:
FILPFPK1
Ships in 1 Business Day
Starting at $199.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner 4" Universal Double Wall Exhaust Tip W/ Polished Black Chrome Finish

ES#4464684 - 026374TMS01-08 - Turner 4" Universal Double Wall Exhaust Tip W/ Polished Black Chrome Finish - Stainless Steel exhaust tip featuring a 3.0 Inlet & a 4.0" Double Wall, Straight Cut Outlet - Turner Motorsport - BMW

Stainless Steel exhaust tip featuring a 3.0 Inlet & a 4.0" Double Wall, Straight Cut Outlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4464684
Mfg#:
026374TMS01-08
In Stock
ON SALE! SAVE 22%
$93.99

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

$73.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

5mm Single Groove Valve Keeper - Set Of 24

ES#4716125 - KPR-5.0-7S-24 - 5mm Single Groove Valve Keeper - Set Of 24 - Two required per valve, necessary for use with certain supertech valves - Supertech - BMW

Two required per valve, necessary for use with certain supertech valves affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4716125
Mfg#:
KPR-5.0-7S-24
In Stock
$72.99 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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