Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply
affirm financing terms & conditions

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
affirm financing terms & conditions
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

BMW 135i Performance Engine & Drivetrain Parts

Sort By
Filter By
Return to Top

King Performance BMW N54/N55 Rod Bearings - 2 Pairs

ES#4755727 - CR222GPC026 - King Performance BMW N54/N55 Rod Bearings - 2 Pairs - .026 Oversize - King - BMW

.026 Oversize affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
King - Corporate Logo
ES#:
4755727
Mfg#:
CR222GPC026
Ships in 6 Business Days
$101.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount - Stage 1 (Pair) - BMW E8X / E9X

Say goodbye to the "slop" in your drivetrain. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
5435093
Mfg#:
BFI-BMW-E9X-M1
Ships on Jul 9, 2026
$302.99 USD
Free Shipping
on orders $49 and up

DO88 Pressure Pipe - N54 E9X E8X

ES#4656918 - TR270S - DO88 Pressure Pipe - N54 E9X E8X - Let your engine breathe better with this DO88 pressure Pipe! - DO88 - BMW

Let your engine breathe better with this DO88 pressure Pipe! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DO88 - Corporate Logo
ES#:
4656918
Mfg#:
TR270S
Ships on Jul 7, 2026
$302.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

FTP N54 PCV Valve Upgraded Replacement

ES#3617984 - sg84036 - FTP N54 PCV Valve Upgraded Replacement - Increase reliability on a stock and upgraded N54 - FTP Motorsport - BMW

Increase reliability on a stock and upgraded N54 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
FTP Motorsport - Corporate Logo
ES#:
3617984
Mfg#:
SG84036
Back Ordered
Auto Notify
$60.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Red High Temp Nylon Tubing - 20ft

ES#4339592 - SN0-8087 - Red High Temp Nylon Tubing - 20ft - Water Methanol Tubing - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Water Methanol Tubing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4339592
Mfg#:
SN0-8087
In Stock
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pro Dry S Air Filter

ES#518910 - 31-10156 - Pro Dry S Air Filter - Higher flow, higher performance - oil-free, washable and reuseable! - AFE - BMW

Higher flow, higher performance - oil-free, washable and reuseable! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
518910
Mfg#:
31-10156
In Stock at Vendor
20% off MSRP

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

$121.25

This product was last offered at the strikethrough price on
01-28-2026

$97.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spal Electric Fan Harness with Relay

ES#4147343 - FRH - Spal Electric Fan Harness with Relay - Electric Fan Relay - 40 amp, 12V, single pole wiring harness kit - Spal - Audi BMW MINI

Electric Fan Relay - 40 amp, 12V, single pole wiring harness kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
4147343
Mfg#:
FRH
Ships in 3 Business Days
11% off MSRP

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

$108.99

This product was last offered at the strikethrough price on
06-16-2026

$96.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Intake Coupler

ES#3603597 - BMS-E-N55-INT-C - Upgraded Intake Coupler - Replace the thin factory boot with a thick silicone upgrade from Burger Motorsport! - Burger Motorsports - BMW

Replace the thin factory boot with a thick silicone upgrade from Burger Motorsport! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
3603597
Mfg#:
BMS-E-N55-INT-C
In Stock
$24.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 16" Electric Fan - Black

ES#4147300 - 30101516 - Universal 16" Electric Fan - Black - 1469 CFM. High performance puller fan with straight blades. - Spal - Audi BMW MINI

1469 CFM. High performance puller fan with straight blades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
4147300
Mfg#:
30101516
Ships in 2 Business Days
11% off MSRP

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

$161.99

This product was last offered at the strikethrough price on
06-16-2026

$143.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Water Methanol Injection Nozzle - 7GPH

ES#4685488 - SN0-N0700 - Snow Performance Water Methanol Injection Nozzle - 7GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Snow Performance Hyper-Sonic water-methanol injection nozzle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4685488
Mfg#:
SN0-N0700
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up

DO88 Pressure Pipe - N55 E9X E8X

ES#4656919 - TR290S - DO88 Pressure Pipe - N55 E9X E8X - Let your engine breathe better with this DO88 Pressure Pipe! - DO88 - BMW

Let your engine breathe better with this DO88 Pressure Pipe! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DO88 - Corporate Logo
ES#:
4656919
Mfg#:
TR290S
Ships on Jul 7, 2026
$281.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DO88 Turbo Inlet Hose - E9X/E8X 135i/335i/35i 59mm

ES#4656894 - do88kit213S59 - DO88 Turbo Inlet Hose - E9X/E8X 135i/335i/35i 59mm - Lets your engine breathe significantly better! - DO88 - BMW

Lets your engine breathe significantly better! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
59mm diameter for vehicles with an upgraded/larger turbocharger only.

Brand:
DO88 - Corporate Logo
ES#:
4656894
Mfg#:
DO88KIT213S59
In Stock
Limited Qty Sale
$325.99

This product was last offered at the strikethrough price on
06-10-2026

$279.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54 JB+ Quick Install Tuner

ES#3508714 - JBPLUS - N54 JB+ Quick Install Tuner - Plug & play power gain up to 40 horsepower in under one minute! 50 state legal performance! - Burger Motorsports - BMW

Plug & play power — gain up to 40 horsepower in under one minute! 50 state legal performance! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CARB Approved - Legal in All 50 States! CARB certified for sale in all 50 states

Brand:
Burger Motorsports - Corporate Logo
ES#:
3508714
Mfg#:
JBPLUS
EO#:
D-744-3
Ships in 3 Business Days
$279.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AGA Tools Performance Clutch Pin - Grooved

ES#4464332 - AGA-CPP-223-328 - AGA Tools Performance Clutch Pin - Grooved - An essential upgrade for every manual transmission equipped BMW! - AGA Tools - BMW

An essential upgrade for every manual transmission equipped BMW! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AGA Tools - Corporate Logo
ES#:
4464332
Mfg#:
AGA-CPP-223-328
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Charge Pipe Kit

ES#5435302 - MMICP-N54-07 - Performance Charge Pipe Kit - This kit replaces the brittle stock unit with mandrel-bent aluminum piping, providing a permanent solution that can handle significantly higher boost levels than stock. - Mishimoto - BMW

This kit replaces the brittle stock unit with mandrel-bent aluminum piping, providing a permanent solution that can handle significantly higher boost levels than stock. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
5435302
Mfg#:
MMICP-N54-07
Ships in 3 Business Days
$263.99 USD
Free Shipping
on orders $49 and up

Inline 6 RACE Series Rod Bearing Shells (0.25 oversized) - Set

ES#4220047 - 6B1584H-.025 - Inline 6 RACE Series Rod Bearing Shells (0.25 oversized) - Set - Upgraded Bearing Shells for you N55/N54/S55B30! - ACL - BMW

Upgraded Bearing Shells for you N55/N54/S55B30! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ACL - Corporate Logo
ES#:
4220047
Mfg#:
6B1584H-.025
Special Order: No Guaranteed ETA
$261.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

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.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings