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BMW E90 335i N55 Performance Engine Parts

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N54/N55 Multi-Port Injection Kit - 950cc

ES#4883232 - 601-0188 - N54/N55 Multi-Port Injection Kit - 950cc - The ultimate supplementary fueling kit for the N54 and N55 engines! - Precision Raceworks - BMW

The ultimate supplementary fueling kit for the N54 and N55 engines!

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883232
Mfg#:
601-0188
Ships in 5 Business Days
$959.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electronic Diverter Valve (E-DV) - BMW E & F Series N55

ES#5375300 - FMEDV104R - Electronic Diverter Valve (E-DV) - BMW E & F Series N55 - Performance replacement for your factory diverter valve - designed to recirculate boost pressure like the factory diverter valve, but with a much quicker response - Forge - BMW

Performance replacement for your factory diverter valve - designed to recirculate boost pressure like the factory diverter valve, but with a much quicker response

Brand:
Forge - Corporate Logo
ES#:
5375300
Mfg#:
FMEDV104R
Ships in 3 Business Days
$379.99 USD
Free Shipping
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 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

AEM Water/Methanol Injection System

ES#4500516 - 30-3326 - AEM Water/Methanol Injection System - High-Flow Low-Current WMI Solenoid - 200PSI 1/8in-27NPT In/Out - AEM Electronics - Audi BMW Volkswagen MINI Porsche

High-Flow Low-Current WMI Solenoid - 200PSI 1/8in-27NPT In/Out

Brand:
AEM Electronics - Corporate Logo
ES#:
4500516
Mfg#:
30-3326
In Stock at Vendor
11% off MSRP

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

$149.99

This product was last offered at the strikethrough price on
08-21-2026

$132.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AFE Mach Force-Xp Cat-Back Exhaust System

ES#3612851 - 49-36328-P - AFE Mach Force-Xp Cat-Back Exhaust System - MACH Force-Xp 3 to 2-1/2in Stainless Steel Cat-Back Exhaust Sys w/Polished Tip BMW 335i (E90/92) 11-13 L6-3.0L (t) N55 - AFE - BMW

MACH Force-Xp 3 to 2-1/2in Stainless Steel Cat-Back Exhaust Sys w/Polished Tip BMW 335i (E90/92) 11-13 L6-3.0L (t) N55

Brand:
AFE - Corporate Logo
ES#:
3612851
Mfg#:
49-36328-P
In Stock
20% off MSRP

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

$2315.00

This product was last offered at the strikethrough price on
08-21-2026

$1852.00 USD

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!

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

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. 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

Bosch Flow Matched EV14 Injectors - US CAR Connector (EV6) - 1300cc - 6 Pack

ES#5388592 - 501-0116 - Bosch Flow Matched EV14 Injectors - US CAR Connector (EV6) - 1300cc - 6 Pack - Genuine Bosch Motorsports EV14 fuel injectors featuring USCAR (EV6) connector matched and packaged in pack of 6 units - Minimum flow of 1300cc @ 3bar (43.5 PSI industry standard) - Bosch - BMW

Genuine Bosch Motorsports EV14 fuel injectors featuring USCAR (EV6) connector matched and packaged in pack of 6 units - Minimum flow of 1300cc @ 3bar (43.5 PSI industry standard) 2X Entries For Our 25th Anniversary Sweepstakes!
NOT A DIRECT REPLACEMENT FOR FACTORY INJECTORS - For use with aftermarket port injection kits only

Brand:
Bosch - Corporate Logo
ES#:
5388592
Mfg#:
501-0116
Ships in 7 Business Days
$884.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

GenV RacePort Blow-Off Valve - Red - Female Flange

ES#4772409 - TS-0204-1144 - GenV RacePort Blow-Off Valve - Red - Female Flange - Upgrade To The Turbosmart BOV! Fits Chargepipes With Tial/Turbosmart Flange - TurboSmart - BMW

Upgrade To The Turbosmart BOV! Fits Chargepipes With Tial/Turbosmart Flange

Brand:
TurboSmart - Corporate Logo
ES#:
4772409
Mfg#:
TS-0204-1144
In Stock
Limited Qty Sale
$324.99

This product was last offered at the strikethrough price on
08-11-2026

$289.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bosch Flow Matched EV14 Injectors - US CAR Connector (EV6) - 950cc - 6 Pack

ES#5388591 - 501-0082 - Bosch Flow Matched EV14 Injectors - US CAR Connector (EV6) - 950cc - 6 Pack - Genuine Bosch Motorsports EV14 fuel injectors featuring USCAR (EV6) connector matched and packaged in pack of 6 units - Minimum flow of 950cc @ 3bar (43.5 PSI industry standard) - Bosch - BMW

Genuine Bosch Motorsports EV14 fuel injectors featuring USCAR (EV6) connector matched and packaged in pack of 6 units - Minimum flow of 950cc @ 3bar (43.5 PSI industry standard) 2X Entries For Our 25th Anniversary Sweepstakes!
NOT A DIRECT REPLACEMENT FOR FACTORY INJECTORS - For use with aftermarket port injection kits only

Brand:
Bosch - Corporate Logo
ES#:
5388591
Mfg#:
501-0082
In Stock
$572.99 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. 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

4.0" Universal Black Chrome Swivel Exhaust Tip

ES#4821158 - 049478LA01-02 - 4.0" Universal Black Chrome Swivel Exhaust Tip - 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 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#:
4821158
Mfg#:
049478LA01-02
In Stock
Limited Qty Sale
$68.99 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.

Let us help you find the parts that fit your BMW

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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