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BMW 135i Performance Engine Parts

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AEM V3 Water/Methanol Injector Kit (Qty 2)

ES#4307641 - 30-3313 - AEM V3 Water/Methanol Injector Kit (Qty 2) - Swappable swirl generators for 250/500/1000cc configurations! - AEM Electronics - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Swappable swirl generators for 250/500/1000cc configurations! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AEM Electronics - Corporate Logo
ES#:
4307641
Mfg#:
30-3313
In Stock
$110.99

This product was last offered at the strikethrough price on
06-18-2026

$108.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 2

ES#2597716 - 11510392553RKT - ECS Cooling System Refresh Kit - Level 2 - A more advanced refresh kit - with primary cooling system hoses and accessory belt - Assembled By ECS - BMW

A more advanced refresh kit - with primary cooling system hoses and accessory belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with automatic or DCT transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2597716
Mfg#:
11510392553RKT
Back Ordered
Auto Notify
ON SALE! SAVE 19%
$832.99

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

$672.77 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

ARM FMIC Hose Upgrade

ES#4375373 - E90HU - ARM FMIC Hose Upgrade - 50% larger than stock hose from intercooler to throttle body! - ARM Motorsports - BMW

50% larger than stock hose from intercooler to throttle body! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires ARM Intercooler AND Charge Pipe
Requires ARM Intercooler AND Charge Pipe

Brand:
ARM Motorsports - Corporate Logo
ES#:
4375373
Mfg#:
E90HU
In Stock
$137.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spline Lock Crank Hub Solution - Hub Only - N54

ES#3621960 - VTT-N54-CRANKHUB - Spline Lock Crank Hub Solution - Hub Only - N54 - A truly remarkable solution from Vargas that will eliminate the risk of a spun crank hub. - Vargas Turbo Technologies - BMW

A truly remarkable solution from Vargas that will eliminate the risk of a spun crank hub. 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#:
3621960
Mfg#:
VTT-N54-CRANKHUB
Ships in 10 Business Days
$818.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spline Lock Crank Hub Solution - Hub Only - N55 S55

ES#4389737 - VTT-N55-CRANKHUB - Spline Lock Crank Hub Solution - Hub Only - N55 S55 - A truly remarkable solution from Vargas that will eliminate the risk of a spun crank hub. - Vargas Turbo Technologies - BMW

A truly remarkable solution from Vargas that will eliminate the risk of a spun crank hub. 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#:
4389737
Mfg#:
VTT-N55-CRANKHUB
Ships in 10 Business Days
$818.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54 "Bulletproof" Crank Kit

ES#4642990 - ECSN54BPKRKT - N54 "Bulletproof" Crank Kit - .or at least as "Bulletproof" as your N54 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service. Featuring Kevlar reinforced belt! - Assembled By ECS - BMW

...or at least as "Bulletproof" as your N54 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service. Featuring Kevlar reinforced belt! 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#:
4642990
Mfg#:
ECSN54BPKRKT
In Stock
ON SALE!
$574.99

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

$538.75 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Bucketed Performance Fuel Pump - Stage 2 (Modular)

ES#4465075 - 601-0096 - Bucketed Performance Fuel Pump - Stage 2 (Modular) - Increased fueling for bigger power - supports up to 575whp! - Precision Raceworks - BMW

Increased fueling for bigger power - supports up to 575whp! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4465075
Mfg#:
601-0096
Ships in 7 Business Days
$519.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3.5" Universal Exhaust Tip w/ Brushed Finish - Priced Each

ES#4039313 - 026374TMS04-01 - 3.5" Universal Exhaust Tip w/ Brushed Finish - Priced Each - Stainless Steel exhaust tip featuring a 2.5" Inlet & a 3.5" Single Wall, Straight Cut Outlet - Turner Motorsport - BMW MINI

Stainless Steel exhaust tip featuring a 2.5" Inlet & a 3.5" Single Wall, Straight Cut Outlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4039313
Mfg#:
026374TMS04-01
In Stock
ON SALE! SAVE 10%
$71.99

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

$64.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner 3.5" Brushed Aluminum Swivel Exhaust Tips - Set of 2

ES#4715561 - 049478la03-04KT - Turner 3.5" Brushed Aluminum Swivel Exhaust Tips - Set of 2 - Universal exhaust tips with a swivel adjustability to fine tune your exhaust. 2.5" Inlet & a 3.5" 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 3.5" Double Wall, Angle Cut Outlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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#:
4715561
Mfg#:
049478LA03-04KT
In Stock
ON SALE! SAVE 10%
$113.98

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

$102.58 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

1.75" To 2" Turbo Inlet Flange Adapter Kit

ES#4716168 - 501-0026 - 1.75" To 2" Turbo Inlet Flange Adapter Kit - Adapts stock turbos to 2" inlets! - Precision Raceworks - BMW

Adapts stock turbos to 2" inlets! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4716168
Mfg#:
501-0026
Ships in 9 Business Days
$52.99

This product was last offered at the strikethrough price on
01-22-2026

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Single Turbo Fittings

ES#3616074 - VTT-SINGLE-FITTI - Single Turbo Fittings - One kit contains all the oil and water fittings you will need to swap from twin to single turbo. - Vargas Turbo Technologies - BMW

One kit contains all the oil and water fittings you will need to swap from twin to single turbo. 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#:
3616074
Mfg#:
VTT-SINGLE-FITTI
Ships in 8 Business Days
$129.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N55 Pure Stage 2 Turbo Upgrade - PWG

ES#3660771 - PURE-N55-0001KT - N55 Pure Stage 2 Turbo Upgrade - PWG - Engineered to reach 500+whp and built with durability in mind. Includes refundable $300 core charge. - Pure Turbos - BMW

Engineered to reach 500+whp and built with durability in mind. Includes refundable $300 core charge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with pneumatic waste gate (PWG)

Brand:
Pure Turbos - Corporate Logo
ES#:
3660771
Mfg#:
PURE-N55-0001KT
Ships on Jul 20, 2026
$2906.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 10 Row

ES#2764288 - MM0CU - Universal Oil Cooler - 10 Row - Upgrading cooling for your engine oil - Mishimoto - Audi BMW Volkswagen MINI

Upgrading cooling for your engine oil affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764288
Mfg#:
MM0CU
In Stock
$410.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMW Cobb Tuning AccessPORT Tuner V3

ES#2719257 - AP3-BMW-001 - BMW Cobb Tuning AccessPORT Tuner V3 - Flash your ECU and unleash the power your BMW was meant to have. - CobbTuning - BMW

Flash your ECU and unleash the power your BMW was meant to have. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CobbTuning - Corporate Logo
ES#:
2719257
Mfg#:
AP3-BMW-001
Ships in 2 Business Days
$715.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Phenolic Spacer - BMP Manifold 1/2"

ES#4465271 - 501-0081 - Phenolic Spacer - BMP Manifold 1/2" - A must when swapping to metal manifolds! - Precision Raceworks - BMW

A must when swapping to metal manifolds! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4465271
Mfg#:
501-0081
Ships in 7 Business Days
$149.99 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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