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 Clear

BMW E46 323i M52 2.5L

    • 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 BMW E46 323i M52 2.5L
Your Vehicle BMW E46 323i M52 2.5L
Change Clear

BMW E46 323i M52 2.5L Performance Parts & Upgrades

Sort By
Filter By
Return to Top

Supertech BMW S52 Steel Spring Retainer - Set Of 24

ES#4675741 - RET-HBK-ST-24 - Supertech BMW S52 Steel Spring Retainer - Set Of 24 - Rev higher and drive faster with confidence. - Supertech - BMW

Rev higher and drive faster with confidence. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4675741
Mfg#:
RET-HBK-ST-24
In Stock
Limited Qty Sale
$281.99

This product was last offered at the strikethrough price on
05-18-2026

$261.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear V5 Drilled & Slotted Brake Rotors - Set (294x19)

ES#4668936 - 34216864056-XS - Rear V5 Drilled & Slotted Brake Rotors - Set (294x19) - Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. - ECS - BMW

Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For touring models only

Brand:
ECS - Corporate Logo
ES#:
4668936
Mfg#:
34216864056-XS
Ships in 5 Business Days
ON SALE!
$265.99

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

$258.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Race Polyurethane Rear Sway Bar Bushing Set - Black Series

ES#2650341 - PFR5-504-15BX2 - Race Polyurethane Rear Sway Bar Bushing Set - Black Series - Stiffer bushings allow sway bars to work at their fullest potential. For 15mm sway bar. - Powerflex Black Series - BMW

Stiffer bushings allow sway bars to work at their fullest potential. For 15mm sway bar. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex Black Series - Corporate Logo
ES#:
2650341
Mfg#:
PFR5-504-15BX2
Ships in 1 Business Day
$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Single Wall Straight Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Stepped Right - Brushed

ES#4146839 - 026732TMS01-02 - Turner Motorsport Single Wall Straight Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Stepped Right - Brushed - Right - Brushed Straight Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Turner Motorsport - BMW MINI

Right - Brushed Straight Cut Exhaust Tip - 2.5 Inlet - 3.0 OD 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#:
4146839
Mfg#:
026732TMS01-02
Ships on Oct 29, 2026
Auto Notify
ON SALE! SAVE 20%
$104.99

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

$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

R-9223 Seat mount - Passenger

ES#3426958 - R-9223 - R-9223 Seat mount - Passenger - Fits passenger. Allows mounting of aftermarket seats to OE seat sliders. - Brey-Krause - BMW

Fits passenger. Allows mounting of aftermarket seats to OE seat sliders. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Brey-Krause - Corporate Logo
ES#:
3426958
Mfg#:
R-9223
Special Order: No Guaranteed ETA
$236.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

R-9222 Seat mount - Driver

ES#3426957 - R-9222 - R-9222 Seat mount - Driver - Fits driver. Allows mounting of aftermarket seats to OE seat sliders. - Brey-Krause - BMW

Fits driver. Allows mounting of aftermarket seats to OE seat sliders. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Brey-Krause - Corporate Logo
ES#:
3426957
Mfg#:
R-9222
Special Order: No Guaranteed ETA
$236.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

R-9251 Seat mount - Passenger

ES#3426523 - R-9251 - R-9251 Seat mount - Passenger - Fits passenger side. Allows mounting of aftermarket seats directly to the floor - Brey-Krause - BMW

Fits passenger side. Allows mounting of aftermarket seats directly to the floor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Brey-Krause - Corporate Logo
ES#:
3426523
Mfg#:
R-9251
Special Order: No Guaranteed ETA
$236.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

R-9220 Seat mount - Driver

ES#3426955 - R-9220 - R-9220 Seat mount - Driver - Fits driver. Allows mounting of aftermarket seats to OE seat sliders. - Brey-Krause - BMW

Fits driver. Allows mounting of aftermarket seats to OE seat sliders. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Brey-Krause - Corporate Logo
ES#:
3426955
Mfg#:
R-9220
Special Order: No Guaranteed ETA
$236.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

R-9254 Seat mount - Driver

ES#3426526 - R-9254 - R-9254 Seat mount - Driver - Fits driver side. Allows mounting of aftermarket seats directly to the floor - Brey-Krause - BMW

Fits driver side. Allows mounting of aftermarket seats directly to the floor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Brey-Krause - Corporate Logo
ES#:
3426526
Mfg#:
R-9254
Special Order: No Guaranteed ETA
$236.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

R-9255 Seat mount - Passenger

ES#3426527 - R-9255 - R-9255 Seat mount - Passenger - Fits passenger side. Allows mounting of aftermarket seats directly to the floor - Brey-Krause - BMW

Fits passenger side. Allows mounting of aftermarket seats directly to the floor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Brey-Krause - Corporate Logo
ES#:
3426527
Mfg#:
R-9255
Special Order: No Guaranteed ETA
$236.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

R-9221 Seat mount - passenger

ES#3426956 - R-9221 - R-9221 Seat mount - passenger - Fits passenger. Allows mounting of aftermarket seats to OE seat sliders. - Brey-Krause - BMW

Fits passenger. Allows mounting of aftermarket seats to OE seat sliders. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Brey-Krause - Corporate Logo
ES#:
3426956
Mfg#:
R-9221
Special Order: No Guaranteed ETA
$236.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

R-9256 Seat mount - Driver

ES#3426528 - R-9256 - R-9256 Seat mount - Driver - Fits driver or passenger side. Allows mounting of aftermarket seats directly to the floor - Brey-Krause - BMW

Fits driver or passenger side. Allows mounting of aftermarket seats directly to the floor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Brey-Krause - Corporate Logo
ES#:
3426528
Mfg#:
R-9256
Special Order: No Guaranteed ETA
$236.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

R-9250 Seat mount - driver

ES#3426522 - R-9250 - R-9250 Seat mount - driver - Fits driver side. Allows mounting of aftermarket seats directly to the floor - Brey-Krause - BMW

Fits driver side. Allows mounting of aftermarket seats directly to the floor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Brey-Krause - Corporate Logo
ES#:
3426522
Mfg#:
R-9250
Special Order: No Guaranteed ETA
$236.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Build Your Own Rear Brake Service Kit

ES#4686191 - 34216864056 - Build Your Own Rear Brake Service Kit - Features ECS V5 Performance rotors, your choice of pads, and everything you need for a smooth install! - Assembled By ECS - BMW

Features ECS V5 Performance rotors, your choice of pads, and everything you need for a smooth install! 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#:
4686191
Mfg#:
34216864056
Ships in 5 Business Days
ON SALE!
Starting at $232.69 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Polyurethane Front Control Arm Bushing Set

ES#2959762 - PFF5-5601G-60x2 - Performance Polyurethane Front Control Arm Bushing Set - Improves handling and control upgrade to a more engaging driving experience - Powerflex - BMW

Improves handling and control – upgrade to a more engaging driving experience affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
2959762
Mfg#:
PFF5-5601G-60X2
Ships in 1 Business Day
$232.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rennline 3 Piece Pedal Set - Black

ES#3552602 - P7160BLACK - Rennline 3 Piece Pedal Set - Black - Black finish with rubber grip - includes gas, clutch, and brake pedals - Rennline - BMW

Black finish with rubber grip - includes gas, clutch, and brake pedals affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission

Brand:
Rennline - Corporate Logo
ES#:
3552602
Mfg#:
P7160BLACK
Ships in 3 Business Days
$230.00 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.

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