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

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
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

BMW 135i Performance Parts & Upgrades

Sort By
Filter By
Return to Top

Turner Solid engine mounts

ES#3177500 - 021445TMS01 - Turner Solid engine mounts - Designed for track use to eliminate deflection and drive line slop - Turner Motorsport - BMW

Designed for track use to eliminate deflection and drive line slop 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
3177500
Mfg#:
021445TMS01
In Stock
$270.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Helical Limited Slip Differential

ES#2795354 - MF-TRS-05E92 - Helical Limited Slip Differential - Allows for traction at all times by providing the most power to the wheel with more grip. Unlike plate differentials (1,1.5,2-way) helical LSDs can supply different spin rates to each axle, like when cornering. - Team MFactory - BMW

Allows for traction at all times by providing the most power to the wheel with more grip. Unlike plate differentials (1,1.5,2-way) helical LSDs can supply different spin rates to each axle, like when cornering. Any defects or warranty clams will have to go directly to Team M Factory

Brand:
Team MFactory - Corporate Logo
ES#:
2795354
Mfg#:
MF-TRS-05E92
Ships in 5 Business Days
5% off MSRP

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

$1049.99

This product was last offered at the strikethrough price on
10-18-2026

$999.99 USD
Free Shipping
on orders $49 and up

LUX H8 189 Angel Eyes - Pure White

ES#5455933 - H8189 - LUX H8 189 Angel Eyes - Pure White - Upgrade your BMW's presence with the LUX H8 189, the industry standard for high-performance LED Angel Eye replacements. - Lux - BMW

Upgrade your BMW's presence with the LUX H8 189, the industry standard for high-performance LED Angel Eye replacements.

Brand:
Lux - Corporate Logo
ES#:
5455933
Mfg#:
H8189
In Stock
$199.00 USD
Free Shipping
on orders $49 and up

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! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3552831
Mfg#:
025216ECS01
In Stock
ON SALE! SAVE 25%
$80.99

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

$60.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Racing Dynamics Front Strut Brace

ES#3023769 - 1969990011 - Racing Dynamics Front Strut Brace - Reduce chassis flexing - quality performance from one of the original BMW tuners! - Racing Dynamics - BMW

Reduce chassis flexing - quality performance from one of the original BMW tuners!

Brand:
Racing Dynamics - Corporate Logo
ES#:
3023769
Mfg#:
1969990011
Ships in 6 Business Days
$245.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Kevlar Reinforced Belt - N54

ES#4485240 - 7pk1855 - Performance Kevlar Reinforced Belt - N54 - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - ECS - BMW
ECS Tuning recommends this product.

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4485240
Mfg#:
7PK1855
Ships on Nov 12, 2026
$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N55/S55 37cc Platinum Series Dish Piston Set

ES#4685603 - 647000C-6 - N55/S55 37cc Platinum Series Dish Piston Set - Upgrade to Manley's Platinum Series Pistons for increased performance! Stock 10.2:1 Compression Ratio - MANLEY - BMW

Upgrade to Manley's Platinum Series Pistons for increased performance! Stock 10.2:1 Compression Ratio Std. Size

Brand:
MANLEY - Corporate Logo
ES#:
4685603
Mfg#:
647000C-6
In Stock at Vendor
7% off MSRP

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

$1208.99

This product was last offered at the strikethrough price on
10-18-2026

$1121.99 USD
Free Shipping
on orders $49 and up

N54B30 32cc Platinum Series Dish Piston Set - 84.5mm Bore

ES#4685590 - 646005C-6 - N54B30 32cc Platinum Series Dish Piston Set - 84.5mm Bore - Upgrade to Manley's Platinum Series Pistons for increased performance! Stock 10.2:1 Compression Ratio - MANLEY - BMW

Upgrade to Manley's Platinum Series Pistons for increased performance! Stock 10.2:1 Compression Ratio .50mm Oversize

Brand:
MANLEY - Corporate Logo
ES#:
4685590
Mfg#:
646005C-6
In Stock at Vendor
8% off MSRP

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

$1208.99

This product was last offered at the strikethrough price on
10-18-2026

$1111.99 USD
Free Shipping
on orders $49 and up

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

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

2-Piece Lightweight Front Brake Rotors - Pair (338x26)

ES#2550968 - 000506ECS01AKT - 2-Piece Lightweight Front Brake Rotors - Pair (338x26) - Direct bolt-on cross-drilled and slotted replacement - 20% less weight. Offers improved braking, handling, and ride quality! - ECS - BMW

Direct bolt-on cross-drilled and slotted replacement - 20% less weight. Offers improved braking, handling, and ride quality! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2550968
Mfg#:
000506ECS01AKT
In Stock
ON SALE! SAVE 10%
$787.99

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

$709.18 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

9" Twin Disc Clutch and Flywheel Kit - Solid Ceramic Discs

ES#4689883 - XKBM23595-2E - 9" Twin Disc Clutch and Flywheel Kit - Solid Ceramic Discs - The twin disc 9 inch with ceramic friction discs is designed for high horsepower motorsport applications where a high heat and torque capacity is required. Rated for 1350 ft-lb! - XClutch - BMW

The twin disc 9 inch with ceramic friction discs is designed for high horsepower motorsport applications where a high heat and torque capacity is required. Rated for 1350 ft-lb! For 8 bolt crank applications only
For vehicles with 8 bolt crank/flywheel only

Brand:
XClutch - Corporate Logo
ES#:
4689883
Mfg#:
XKBM23595-2E
Ships on Nov 10, 2026
$2125.99 USD
Free Shipping

Turner Motorsport Performance Upper Control Arms - Rear

ES#4159358 - 025990TMS014 - Turner Motorsport Performance Upper Control Arms - Rear - Eliminate suspension slop with these performance control arms - Turner Motorsport - BMW

Eliminate suspension slop with these performance control arms 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4159358
Mfg#:
025990TMS014
In Stock
ON SALE! SAVE 22%
$1153.99

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

$903.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ferrea High Performance Valve Spring Kit, BMW N55/S55

ES#4736723 - FER-HPVSK-N55 - Ferrea High Performance Valve Spring Kit, BMW N55/S55 - Pair Your High Performance Valves with a Set of Upgraded Springs and Retainers! - 5150 Autosport - BMW

Pair Your High Performance Valves with a Set of Upgraded Springs and Retainers!

Brand:
5150 Autosport - Corporate Logo
ES#:
4736723
Mfg#:
FER-HPVSK-N55
Ships in 4 Business Days
$1049.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

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 Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings