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BMW E90 335xi N54 3.0L

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BMW E90 335xi N54 3.0L Engine Parts & Accessories

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ReFlex+ Main Injector Harness - Inline-6

ES#4810312 - 900.1008 - ReFlex+ Main Injector Harness - Inline-6 - Main Injector Harness For Installation of ReFlex+ For Inline-6 BMW Engines - Motiv Motorsports - BMW

Main Injector Harness For Installation of ReFlex+ For Inline-6 BMW Engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Motiv Motorsports - Corporate Logo
ES#:
4810312
Mfg#:
900.1008
In Stock
$200.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

335i Hot Side Intake Duct

ES#4004940 - 020413tms06KT - 335i Hot Side Intake Duct - Directs air to the passenger side of the vehicle - Turner Motorsport - BMW

Directs air to the passenger side of the vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4004940
Mfg#:
020413TMS06KT
In Stock
ON SALE!
$218.99

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

$208.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Low Pressure Fuel Pump

ES#2702296 - 16147163298 - Low Pressure Fuel Pump - Commonly called in-tank fuel pump includes integrated level sensor - Continental - BMW
ECS Tuning recommends this product.

Commonly called in-tank fuel pump includes integrated level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2702296
Mfg#:
16147163298
In Stock
ON SALE! SAVE 15%
$343.89

This product was last offered at the strikethrough price on
06-15-2026

$292.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Performance Coolant Outlet Hose Kit

ES#3579656 - 024797ECS03 - ECS Performance Coolant Outlet Hose Kit - Upgrade to a much more durable connection from your thermostat to your cylinder head! - ECS - BMW

Upgrade to a much more durable connection from your thermostat to your cylinder head! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3579656
Mfg#:
024797ECS03
In Stock
ON SALE! SAVE 15%
$116.99

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

$99.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Aluminum Coolant Bleeder Screw

ES#2739096 - 003530ECS01A - Heavy Duty Aluminum Coolant Bleeder Screw - Offering superior fatigue resistance over conventional plastic screws. Say goodbye to snapped and mangled bleeder screw heads! - ECS - BMW MINI

Offering superior fatigue resistance over conventional plastic screws. Say goodbye to snapped and mangled bleeder screw heads! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2739096
Mfg#:
003530ECS01A
In Stock
ON SALE! SAVE 25%
$35.99

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

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

race-spec DCT/6speed Transmission oil cooler

ES#2992678 - 8042 - race-spec DCT/6speed Transmission oil cooler - Dual pass transmission cooling with 30% efficiency improvement versus the OEM cooler. True plug-and-play! No modifications - just better performance! - CSF - BMW

Dual pass transmission cooling with 30% efficiency improvement versus the OEM cooler. True plug-and-play! No modifications - just better performance! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
CSF - Corporate Logo
ES#:
2992678
Mfg#:
8042
In Stock
$449.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Electric Fan With Shroud

ES#4872470 - 17427545366 - Electric Fan With Shroud - Continental - BMW

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

Brand:
Continental - Corporate Logo
ES#:
4872470
Mfg#:
17427545366
In Stock at Vendor
$560.99

This product was last offered at the strikethrough price on
05-07-2026

$544.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Pipe - Feed

ES#38983 - 17227567207 - Oil Cooler Pipe - Feed - Keep your circulating oil cool and your engine healthy - Genuine BMW - BMW

Keep your circulating oil cool and your engine healthy affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with high speed synchronisation

Brand:
Genuine BMW - Corporate Logo
ES#:
38983
Mfg#:
17227567207
In Stock
2% off MSRP

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

$249.71

This product was last offered at the strikethrough price on
07-05-2026

$244.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N54/N55 Low Temp Oil Thermostat Kit - 70c

ES#4817856 - n54n55ltKT - N54/N55 Low Temp Oil Thermostat Kit - 70c - New billet thermostat cover, hardware and gasket. Featuring a low temp thermostat - 40 degrees Celsius/ 72 degrees Fahrenheit lower than factory. - Assembled By ECS - BMW

New billet thermostat cover, hardware and gasket. Featuring a low temp thermostat - 40 degrees Celsius/ 72 degrees Fahrenheit lower than factory. 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#:
4817856
Mfg#:
N54N55LTKT
Back Ordered
Auto Notify
ON SALE! SAVE 18%
$152.99

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

$125.58 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbosmart Kompact Plumb Back Kit

ES#3177662 - 0203-1250 - Turbosmart Kompact Plumb Back Kit - Eliminate one of the key weaknesses to the N54 engine - TurboSmart - BMW

Eliminate one of the key weaknesses to the N54 engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TurboSmart - Corporate Logo
ES#:
3177662
Mfg#:
0203-1250
In Stock at Vendor
10% off MSRP

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

$539.99

This product was last offered at the strikethrough price on
07-05-2026

$485.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

TiAL Sport Q 50mm Blow Off Valve - Black

ES#4376124 - Q10Blk - TiAL Sport Q 50mm Blow Off Valve - Black - Includes a 10psi spring - Tial - BMW

Includes a 10psi spring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires welding the aluminum flange to your chargepipe - Professional installation recommended!
Performance applications only - flange must be welded to an aluminum chargepipe - DOES NOT FIT STOCK CHARGEPIPES

Brand:
Tial - Corporate Logo
ES#:
4376124
Mfg#:
Q10BLK
Ships in 9 Business Days
Auto Notify
$285.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Radiator - Automatic

ES#4336186 - 17117547059 - Engine Radiator - Automatic - Keep your engine cooling properly - Nissens - BMW

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

Brand:
Nissens - Corporate Logo
ES#:
4336186
Mfg#:
17117547059
In Stock at Vendor
$259.99

This product was last offered at the strikethrough price on
05-07-2026

$252.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spline Lock Crank Hub Solution With Complete Package - N54

ES#4696162 - VTT-CRANKHUB-3 - Spline Lock Crank Hub Solution With Complete Package - N54 - A truly remarkable solution from Vargas that will eliminate the risk of a spun crank hub. Spline Lock Crank Hub with Crank Bolt Capture, OEM bolt, OEM Oil pump sprocket, OEM oil sprocket retainer included. - Vargas Turbo Technologies - BMW

A truly remarkable solution from Vargas that will eliminate the risk of a spun crank hub. Spline Lock Crank Hub with Crank Bolt Capture, OEM bolt, OEM Oil pump sprocket, OEM oil sprocket retainer included. 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#:
4696162
Mfg#:
VTT-CRANKHUB-3
In Stock
ON SALE! SAVE 15%
$939.99

This product was last offered at the strikethrough price on
07-02-2026

$798.99 USD
Free Shipping

Endurance Series AGM Battery - B48-H6-L3

ES#4858502 - B48-H6-L3 - Endurance Series AGM Battery - B48-H6-L3 - Designed for a wide range of demanding, high performance applications, this battery is reliable, long-lasting, and engineered for high shock and vibration applications. - Braille - Audi BMW Volkswagen Mercedes Benz Porsche

Designed for a wide range of demanding, high performance applications, this battery is reliable, long-lasting, and engineered for high shock and vibration applications. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Braille - Corporate Logo
ES#:
4858502
Mfg#:
B48-H6-L3
Ships in 5 Business Days
$398.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Ethanol 360 Fittings - 5/16" (7.89mm)

ES#4690255 - 601-0240 - Ethanol 360 Fittings - 5/16" (7.89mm) - Designed to work in almost any application where you have 5/16" or 7.89mm quick connect fittings and need to add a flex fuel sensor! - Precision Raceworks - BMW

Designed to work in almost any application where you have 5/16" or 7.89mm 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#:
4690255
Mfg#:
601-0240
Back Ordered
Auto Notify
$89.99 USD
Free Shipping
on orders $49 and up

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.

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