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BMW E88 135i N54 3.0L

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BMW E88 135i N54 3.0L Engine Parts & Accessories

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Front Oxygen Sensor - Bank 1 Pre-Cat

ES#2580855 - 11787558055 - Front Oxygen Sensor - Bank 1 Pre-Cat - Fuel control and emissions control sensor - Bosch - BMW
ECS Tuning recommends this product.

Fuel control and emissions control sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2580855
Mfg#:
11787558055
In Stock
$203.99

This product was last offered at the strikethrough price on
07-14-2026

$136.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VRSF 3" Stainless Steel Catted Downpipes

ES#3984909 - 10902011 - VRSF 3" Stainless Steel Catted Downpipes - 3" Stainless Steel Downpipes with High Flow Catalytic Converter - VRSF - BMW

3" Stainless Steel Downpipes with High Flow Catalytic Converter We Price Match - Give Us A Call or Chat!

Brand:
VRSF - Corporate Logo
ES#:
3984909
Mfg#:
10902011
In Stock
$529.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Bolt - Priced Each

ES#254037 - 11247589671 - Connecting Rod Bolt - Priced Each - Measurements: M9x47mm - Genuine BMW - BMW MINI

Measurements: M9x47mm

Brand:
Genuine BMW - Corporate Logo
ES#:
254037
Mfg#:
11247589671
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector (Index 12) - Priced Each - N54 N63 S63 N74

ES#2611291 - 13538616079 - Fuel Injector (Index 12) - Priced Each - N54 N63 S63 N74 - High pressure fuel injector supplies fuel from the rail to the cylinder - Genuine BMW - BMW

High pressure fuel injector supplies fuel from the rail to the cylinder

Brand:
Genuine BMW - Corporate Logo
ES#:
2611291
Mfg#:
13538616079
In Stock
1% off MSRP

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

$930.04

This product was last offered at the strikethrough price on
08-16-2026

$923.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMW TwinPower Turbo LL-01 5W-30 Engine Oil - 5 Liter

ES#4506982 - 83215A78F80 - BMW TwinPower Turbo LL-01 5W-30 Engine Oil - 5 Liter - The same advanced, fully synthetic Longlife-01 SAE 5w-30 Genuine BMW oil that your BMW dealer uses, just in a 5L container! This saves you the hassle of poking open 5 separate containers as you do your oil service. - Genuine BMW - BMW

The same advanced, fully synthetic Longlife-01 SAE 5w-30 Genuine BMW oil that your BMW dealer uses, just in a 5L container! This saves you the hassle of poking open 5 separate containers as you do your oil service.

Brand:
Genuine BMW - Corporate Logo
ES#:
4506982
Mfg#:
83215A78F80
In Stock
$74.99 USD
Free Shipping
on orders $49 and up

Mosselman Billet Oil Thermostat With Installation Kit

ES#4772311 - otn54.t85KT - Mosselman Billet Oil Thermostat With Installation Kit - The MSL thermostat ensures a cooler oil temperature which will result in more stable performance - Mosselman Turbosystems - BMW

The MSL thermostat ensures a cooler oil temperature which will result in more stable performance

Brand:
Mosselman Turbosystems - Corporate Logo
ES#:
4772311
Mfg#:
OTN54.T85KT
In Stock
$434.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Special Tec B FE 0W-30 Motor Oil - 5 L

ES#4839664 - 22261 - Special Tec B FE 0W-30 Motor Oil - 5 L - High-tech low-viscosity motor oil based on synthetic technology with newest rating - Liqui-Moly - BMW Mercedes Benz MINI

High-tech low-viscosity motor oil based on synthetic technology with newest rating 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4839664
Mfg#:
22261
In Stock
28% off MSRP

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

$84.99

This product was last offered at the strikethrough price on
08-19-2026

$60.95 USD
Free Shipping
on orders $49 and up

N54 Performance Silicone Radiator Hose Kit - With OE Connectors

ES#4707593 - 008640LA02 - N54 Performance Silicone Radiator Hose Kit - With OE Connectors - Upper and lower radiator silicone coolant hose kit to upgrade from your stock rubber hoses. Includes stainless steel hose clamps and pre-installed factory style connectors. - ECS - BMW

Upper and lower radiator silicone coolant hose kit to upgrade from your stock rubber hoses. Includes stainless steel hose clamps and pre-installed factory style connectors. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4707593
Mfg#:
008640LA02
In Stock
ON SALE! SAVE 20%
$189.99

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

$151.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

WPC-Treated Race Series Rod Bearing Set - N52/N54/N55/S55

ES#4845639 - N5X-WPC-RB - WPC-Treated Race Series Rod Bearing Set - N52/N54/N55/S55 - The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. - Turner Motorsport - BMW

The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845639
Mfg#:
N5X-WPC-RB
In Stock
ON SALE! SAVE 20%
$519.99

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

$415.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Oil Line Kit

ES#3557348 - 11427563713KT2 - Turbo Oil Line Kit - Replace leaking or damaged lines to ensure your turbos are well lubricated for long lasting life! - Assembled By ECS - BMW

Replace leaking or damaged lines to ensure your turbos are well lubricated for long lasting life! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3557348
Mfg#:
11427563713KT2
In Stock
ON SALE! SAVE 18%
$275.99

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

$226.84 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Liqui Moly Longtime High Tech Oil Change Kit

ES#3424299 - N54OCIlmKT - Liqui Moly Longtime High Tech Oil Change Kit - Includes seven quarts of Liqui Moly Longtime High Tech LL 5w-30 synthetic engine oil, Hengst oil filter and new drain plug - Assembled By ECS - BMW

Includes seven quarts of Liqui Moly Longtime High Tech LL 5w-30 synthetic engine oil, Hengst oil filter and new drain plug 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3424299
Mfg#:
N54OCILMKT
In Stock
ON SALE!
$115.49

This product was last offered at the strikethrough price on
08-19-2026

$113.00 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

N54/N55 Muffler Delete - E82/E88 135

ES#4789482 - 039172LA01 - N54/N55 Muffler Delete - E82/E88 135 - Arguably THE BEST modification for your 135. No cutting necessary, Direct bolt-on for a complete transformation! - ECS - BMW

Arguably THE BEST modification for your 135. No cutting necessary, Direct bolt-on for a complete transformation! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4789482
Mfg#:
039172LA01
In Stock
ON SALE!
Starting at $263.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Oil Filter Cap

ES#2762321 - 003296ECS01 - Billet Aluminum Oil Filter Cap - Aluminum upgrade for OE plastic cap. No more damaged threads or rounded heads - plus a crisp design worth showing off. - ECS - BMW

Aluminum upgrade for OE plastic cap. No more damaged threads or rounded heads - plus a crisp design worth showing off. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2762321
Mfg#:
003296ECS01
Ships on Sep 29, 2026
Auto Notify
ON SALE! SAVE 25%
$152.99

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

$114.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54/N55 Billet Oil Cooler Thermostat

ES#4809843 - 008731la01KT - N54/N55 Billet Oil Cooler Thermostat - Reduce oil temperatures with an upgraded billet housing and low-temp thermostat! Allows you to add an oil cooler to your vehicle that didn't have the factory option. - Turner Motorsport - BMW

Reduce oil temperatures with an upgraded billet housing and low-temp thermostat! Allows you to add an oil cooler to your vehicle that didn't have the factory option. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4809843
Mfg#:
008731LA01KT
In Stock
ON SALE! SAVE 25%
$343.99

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

$257.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spool Performance Helix HPFP Overdrive Unit

ES#4365382 - SP-54HX-1 - Spool Performance Helix HPFP Overdrive Unit - Safely get more from your HPFP without causing it to fail prematurely! - Spool Performance - BMW

Safely get more from your HPFP without causing it to fail prematurely!

Brand:
Spool Performance - Corporate Logo
ES#:
4365382
Mfg#:
SP-54HX-1
In Stock
$849.00 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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