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BMW E90 335i N54 3.0L

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BMW E90 335i N54 3.0L Engine Parts & Accessories

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Spark Plugs - Set Of Six (#ZGR6STE2)

ES#257800 - 12120034087 - Spark Plugs - Set Of Six (#ZGR6STE2) - From an original equipment supplier. - Bosch - BMW

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

Brand:
Bosch - Corporate Logo
ES#:
257800
Mfg#:
12120034087
In Stock
$95.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E9X N54/N55 6MT High-Performance Dual Core Aluminum Radiator

ES#4839753 - 004443LA01 - E9X N54/N55 6MT High-Performance Dual Core Aluminum Radiator - Track-tested and street-readythe ULTIMATE cooling system upgrade for your N54 or N55! - Turner Motorsport - BMW

Track-tested and street-ready—the ULTIMATE cooling system upgrade for your N54 or N55! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!
For vehicles with manual transmission only

Brand:
Turner Motorsport - Corporate Logo
ES#:
4839753
Mfg#:
004443LA01
Ships on Sep 14, 2026
Auto Notify
ON SALE!
$592.99

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

$575.01 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#4017637 - 11537549476 - Thermostat - Restore proper function to your cooling system - URO - BMW

Restore proper function to your cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4017637
Mfg#:
11537549476
In Stock
$74.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54T/"is" Engine & Transmission Mount Kit

ES#4753048 - 22116793240KT - N54T/"is" Engine & Transmission Mount Kit - Featuring upgraded engine mounts from the 335is/1M! - Assembled By ECS - BMW

Featuring upgraded engine mounts from the 335is/1M! 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#:
4753048
Mfg#:
22116793240KT
Ships in 1 Business Day
$387.99

This product was last offered at the strikethrough price on
05-06-2026

$381.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Aluminum Radiator

ES#2766393 - MMRADE9007 - Performance Aluminum Radiator - Fully brazed two-row aluminum core with TIG-welded end tanks - Mishimoto - BMW

Fully brazed two-row aluminum core with TIG-welded end tanks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
35% increase in coolant capacity with a 25% increase in core thickness!
For vehicles with manual transmission only

Brand:
Mishimoto - Corporate Logo
ES#:
2766393
Mfg#:
MMRADE9007
In Stock
$559.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cam Bearing Ledge - Intake

ES#18573 - 11127550913 - Cam Bearing Ledge - Intake - Should be replaced in conjunction with the exhaust bearing ledge - Genuine BMW - BMW

Should be replaced in conjunction with the exhaust bearing ledge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
18573
Mfg#:
11127550913
In Stock
5% off MSRP

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

$706.99

This product was last offered at the strikethrough price on
06-11-2026

$670.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VRSF Chargepipe Upgrade Kit

ES#3984894 - 10901020C - VRSF Chargepipe Upgrade Kit - Charge-pipe upgrade kit with HKS blow off valve flange - HKS BOV not included. - VRSF - BMW

Charge-pipe upgrade kit with HKS blow off valve flange - HKS BOV not included. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
VRSF - Corporate Logo
ES#:
3984894
Mfg#:
10901020C
In Stock
$129.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Indicator

ES#2100546 - 12617607910 - Oil Level Indicator - Reads oil level in oil pan - Genuine BMW - BMW

Reads oil level in oil pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2100546
Mfg#:
12617607910
In Stock
15% off MSRP

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

$298.81

This product was last offered at the strikethrough price on
06-11-2026

$253.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Manley Performance TurboTuff Rods - N54

ES#4759320 - 14448-6 - Manley Performance TurboTuff Rods - N54 - Forged from 4340 aircraft-quality alloy for maximum performance - MANLEY - BMW

Forged from 4340 aircraft-quality alloy for maximum performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MANLEY - Corporate Logo
ES#:
4759320
Mfg#:
14448-6
In Stock at Vendor
$1641.99 USD
Free Shipping

ECS N54 Silicone Coolant Outlet Hose

ES#3552831 - 025216ECS01 - ECS N54 Silicone Coolant Outlet Hose - Retains OEM fitment with superior looks and durability! - ECS - BMW

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

Brand:
ECS - Corporate Logo
ES#:
3552831
Mfg#:
025216ECS01
In Stock
ON SALE! SAVE 25%
$78.99

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

$59.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner Assembly

ES#2580613 - 11287563927 - Accessory Belt Tensioner Assembly - This is the main belt tensioner for A/C, Alternator, and power steering. - Ina - BMW
ECS Tuning recommends this product.

This is the main belt tensioner for A/C, Alternator, and power steering. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2580613
Mfg#:
11287563927
In Stock
$107.99

This product was last offered at the strikethrough price on
04-15-2026

$71.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 2 Post-Cat

ES#2580859 - 11787545075 - Rear Oxygen Sensor - Bank 2 Post-Cat - Fuel control and emissions control sensor - Bosch - BMW

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

Brand:
Bosch - Corporate Logo
ES#:
2580859
Mfg#:
11787545075
In Stock
$137.99

This product was last offered at the strikethrough price on
04-25-2026

$137.64 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cam Bearing Ledge - Exhaust

ES#18539 - 11127531224 - Cam Bearing Ledge - Exhaust - A common source of exhaust, boost, and variable valve timing related issues - Genuine BMW - BMW

A common source of exhaust, boost, and variable valve timing related issues affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
18539
Mfg#:
11127531224
In Stock
17% off MSRP

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

$706.36

This product was last offered at the strikethrough price on
06-11-2026

$586.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Housing Gasket Kit

ES#3575854 - 11428637820KT - Oil Cooler Housing Gasket Kit - Includes both oil filter housing gaskets and a Liqui Moly oil change kit - Assembled By ECS - BMW

Includes both oil filter housing gaskets and a Liqui Moly oil change kit 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#:
3575854
Mfg#:
11428637820KT
In Stock
$162.99

This product was last offered at the strikethrough price on
03-10-2026

$154.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

N54 Crank Seal Guard & Performance Kevlar-Reinforced Accessory Belt

ES#4876652 - 049453LA01-02KT8 - N54 Crank Seal Guard & Performance Kevlar-Reinforced Accessory Belt - Protect your engine from catastrophic damage and upgrade your accessory belt with this Enthusiast Bundle! - Enthusiast Bundles - BMW

Protect your engine from catastrophic damage and upgrade your accessory belt with this Enthusiast Bundle! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876652
Mfg#:
049453LA01-02KT8
In Stock
ON SALE! SAVE 47%
$170.99

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

$91.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Low Pressure Fuel Pump

ES#4338918 - 16147163298 - Low Pressure Fuel Pump - Commonly called in-tank fuel pump includes integrated level sensor - Bremmen Parts - BMW

Commonly called in-tank fuel pump includes integrated level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4338918
Mfg#:
16147163298
In Stock
ON SALE! SAVE 10%
$148.99

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

$134.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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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