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BMW E90 335xi N55 3.0L

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BMW E90 335xi N55 3.0L Engine Parts & Accessories

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S55 / N55 4-Pin One-Piece Crank Hub Upgrade Kit W/ MMR Capture Plate

ES#5338648 - MMR20-1004FK - S55 / N55 4-Pin One-Piece Crank Hub Upgrade Kit W/ MMR Capture Plate - Prevent costly failure with this complete kit from MMX Performance! - MMX Performance - BMW

Prevent costly failure with this complete kit from MMX Performance! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MMX Performance - Corporate Logo
ES#:
5338648
Mfg#:
MMR20-1004FK
Ships in 2 Business Days
$1227.99 USD
Free Shipping
on orders $49 and up

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
07-01-2026

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

Liqui Moly Special Tec LL Oil Change Kit / Inspection I

ES#4758031 - N54OCILMKT4 - Liqui Moly Special Tec LL Oil Change Kit / Inspection I - Assembled By ECS - BMW

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#:
4758031
Mfg#:
N54OCILMKT4
In Stock
ON SALE!
$131.07 USD
Free Shipping
This product is lifetime replacement eligible Partial 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

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
In Stock
$398.99 USD
This product is lifetime replacement eligible Lifetime Replacement

High Performance Ignition Coil - Priced Each

ES#4460623 - CTS-IGN-008 - High Performance Ignition Coil - Priced Each - A great replacement or upgrade to keep your engine running at its peak performance - CTS - BMW MINI

A great replacement or upgrade to keep your engine running at its peak performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4460623
Mfg#:
CTS-IGN-008
Ships in 7 Business Days
ON SALE! SAVE 17%
$27.99

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

$23.37 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Arm N55 Intake - E-Series 335i 335xi 135i

ES#4849868 - N55INT - Arm N55 Intake - E-Series 335i 335xi 135i - The perfect upgrade for your E8x/ E9x N55! - ARM Motorsports - BMW

The perfect upgrade for your E8x/ E9x N55! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ARM Motorsports - Corporate Logo
ES#:
4849868
Mfg#:
N55INT
In Stock
$247.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Downstream Catalytic Converter

ES#3031909 - 11787589475 - Oxygen Sensor - Downstream Catalytic Converter - 690mm. Rear O2 sensor/Lambda probe - Bosch - BMW
ECS Tuning recommends this product.

690mm. Rear O2 sensor/Lambda probe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3031909
Mfg#:
11787589475
In Stock
$223.99

This product was last offered at the strikethrough price on
04-30-2026

$172.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose - Radiator to Oil Cooler

ES#38148 - 17117541143 - Coolant Hose - Radiator to Oil Cooler - Replace your leaking hose - Genuine BMW - BMW

Replace your leaking hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic transmission

Brand:
Genuine BMW - Corporate Logo
ES#:
38148
Mfg#:
17117541143
In Stock
6% off MSRP

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

$64.74

This product was last offered at the strikethrough price on
07-01-2026

$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor

ES#3198244 - 13628644432 - MAP Sensor - Replace your faulty sensor to restore engine performance and fuel economy - Genuine BMW - BMW

Replace your faulty sensor to restore engine performance and fuel economy affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3198244
Mfg#:
13628644432
In Stock
6% off MSRP

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

$162.99

This product was last offered at the strikethrough price on
07-01-2026

$153.99 USD
Free Shipping
on orders $49 and up
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

Water Pump

ES#4349809 - 11517588885 - Water Pump - N54 and N55 engines are prone to water pump failure - replace every 60,000 miles. - Hamburg Tech - BMW

N54 and N55 engines are prone to water pump failure - replace every 60,000 miles. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4349809
Mfg#:
11517588885
In Stock
ON SALE! SAVE 13%
$405.00

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

$351.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump

ES#2530426 - 11417613549 - Oil Pump - Does not include hardware - Genuine BMW - BMW

Does not include hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2530426
Mfg#:
11417613549
In Stock
10% off MSRP

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

$719.00

This product was last offered at the strikethrough price on
07-01-2026

$649.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Kit

ES#3659758 - 113175840841KT - Timing Chain Kit - Everything you need to do a complete timing chain service, featuring high quality aftermarket components. - Assembled By ECS - BMW

Everything you need to do a complete timing chain service, featuring high quality aftermarket components. 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#:
3659758
Mfg#:
113175840841KT
In Stock
ON SALE!
$697.99

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

$646.26 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

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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