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 E90 Performance Parts & Upgrades

Sort By
Filter By
Return to Top

Performance Caliper Guide Bushing Set

ES#2723829 - 003326ECS01 - Performance Caliper Guide Bushing Set - Reduced caliper deflection, enhanced pedal feel, and improved pad wear. An excellent way to improve braking performance. Priced per axle. - ECS - BMW MINI

Reduced caliper deflection, enhanced pedal feel, and improved pad wear. An excellent way to improve braking performance. Priced per axle. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE
Industry leading design for maximum performance with minimal maintenance!

Brand:
ECS - Corporate Logo
ES#:
2723829
Mfg#:
003326ECS01
In Stock
$169.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Bearing Set of 2 Pairs - Std. Size

ES#4069250 - CR222SV - Connecting Rod Bearing Set of 2 Pairs - Std. Size - Replace those Worn Out Rod Bearings! - King - BMW

Replace those Worn Out Rod Bearings! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Standard Size

Brand:
King - Corporate Logo
ES#:
4069250
Mfg#:
CR222SV
In Stock
$52.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 15mm

ES#205206 - ECS#255KTWB - Wheel Spacer & Bolt Kit - 15mm - Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW - ECS - BMW

Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
205206
Mfg#:
ECS#255KTWB
In Stock
$201.93 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mosselman Billet Oil Thermostat - N54 & E8x E9x N55

ES#4446095 - OTN54.T85 - Mosselman Billet Oil Thermostat - N54 & E8x E9x N55 - 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mosselman Turbosystems - Corporate Logo
ES#:
4446095
Mfg#:
OTN54.T85
In Stock
$379.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbosmart Kompact EM Plumb Back Valve VR9

ES#4049607 - TS-0223-1292 - Turbosmart Kompact EM Plumb Back Valve VR9 - Plug and play diverter valve upgrade with plumb back design - TurboSmart - BMW

Plug and play diverter valve upgrade with plumb back design affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TurboSmart - Corporate Logo
ES#:
4049607
Mfg#:
TS-0223-1292
In Stock
10% off MSRP

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

$309.99

This product was last offered at the strikethrough price on
06-12-2026

$278.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

Brand:
Mosselman Turbosystems - Corporate Logo
ES#:
4772311
Mfg#:
OTN54.T85KT
In Stock
$433.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

N54 2 PIN One-Piece CRANK HUB

ES#4423403 - CH-N54 - N54 2 PIN One-Piece CRANK HUB - This one-piece hub kit includes all the necessary components to successfully replace the stock OEM crank hub with the single-piece crank hub. The kit now includes Hardened crankshaft damper bolts at no additional charge. - Insane Performance - BMW

This one-piece hub kit includes all the necessary components to successfully replace the stock OEM crank hub with the single-piece crank hub. The kit now includes Hardened crankshaft damper bolts at no additional charge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Insane Performance - Corporate Logo
ES#:
4423403
Mfg#:
CH-N54
Ships in 1 Business Day
$999.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Clutch Pedal

ES#2971409 - UCP301 - Ultimate Clutch Pedal - A must have for modern manual BMW's. Three different levels of adjustment and a crisp, solid pedal feel - Ultimate Clutch Pedal - BMW

A must have for modern manual BMW's. Three different levels of adjustment and a crisp, solid pedal feel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For LHD vehicles only

Brand:
Ultimate Clutch Pedal - Corporate Logo
ES#:
2971409
Mfg#:
UCP301
Back Ordered
$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Kohlefaser Luft-Technik Twin Cone Intake

ES#2953951 - 004531ECS02A - Kohlefaser Luft-Technik Twin Cone Intake - In-house engineered for maximum efficiency, optimum air flow, and exquisite style. - ECS - BMW

In-house engineered for maximum efficiency, optimum air flow, and exquisite style. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE
Durable performance twin cone intakes constructed of hand-laid carbon fiber for exceptional performance.

Brand:
ECS - Corporate Logo
ES#:
2953951
Mfg#:
004531ECS02A
In Stock
$621.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Polyurethane Transmission Mount Set - Street

ES#2859359 - 002705ECS02A - Polyurethane Transmission Mount Set - Street - 70A durometer rating - slightly stiffer than stock for improved shifting quality and driveline performance. Constructed of 304 stainless steel with bonded and constrained polyurethane. - ECS - BMW

70A durometer rating - slightly stiffer than stock for improved shifting quality and driveline performance. Constructed of 304 stainless steel with bonded and constrained polyurethane. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
2859359
Mfg#:
002705ECS02A
In Stock
$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Motiv ReFlex+ Control Unit

ES#4810266 - 900.1001 - Motiv ReFlex+ Control Unit - Enables precise control of aftermarket performance components like fuel pumps, meth injection kits, boost controllers, port injection kits - Motiv Motorsports - BMW

Enables precise control of aftermarket performance components like fuel pumps, meth injection kits, boost controllers, port injection kits affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Motiv Motorsports - Corporate Logo
ES#:
4810266
Mfg#:
900.1001
In Stock
$729.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport E9X M3 Skid Plate

ES#3221133 - 021807TMS03 - Turner Motorsport E9X M3 Skid Plate - The ultimate upgrade for belly pan replacement is here! - Turner Motorsport - BMW
ECS Tuning recommends this product.

The ultimate upgrade for belly pan replacement is here! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE TMS20 IN CART FOR BEST PRICE

Brand:
Turner Motorsport - Corporate Logo
ES#:
3221133
Mfg#:
021807TMS03
Ships on Aug 26, 2026
Auto Notify
$895.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Generation 2 Supercharger Kit - Level 3

700HP/480TQ - a complete power solution for your M3 - includes front-mount air-to-air intercooler! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Active Autowerke - Corporate Logo
ES#:
3438855
Mfg#:
12-030
Ships in 10 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.

$18749.00

This product was last offered at the strikethrough price on
06-12-2026

$17811.99 USD
Free Shipping

Performance Dual Cone Intake - Red

ES#3603607 - BMS-N54-DCI-R - Performance Dual Cone Intake - Red - Replace your restrictive air box with these dual high flow cone filters for the highest possible air flow! - Burger Motorsports - BMW

Replace your restrictive air box with these dual high flow cone filters for the highest possible air flow! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CARB certified for sale in all 50 states

Brand:
Burger Motorsports - Corporate Logo
ES#:
3603607
Mfg#:
BMS-N54-DCI-R
EO#:
D-744-2
In Stock
$99.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 20mm

ES#205208 - ECS#257KTWB - Wheel Spacer & Bolt Kit - 20mm - Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW - ECS - BMW

Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
205208
Mfg#:
ECS#257KTWB
In Stock
$183.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 12.5mm

ES#205205 - ECS#254KTWB - Wheel Spacer & Bolt Kit - 12.5mm - Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW - ECS - BMW

Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
205205
Mfg#:
ECS#254KTWB
In Stock
$178.99 USD
Free Shipping
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 ECS Tuning is part of Enthusiast Auto Holdings