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BMW E21 320i M10 1.8L Performance Parts & Upgrades

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Wheel Stud Conversion Kit - full set

ES#2837113 - 001467ecs30KT4 - Wheel Stud Conversion Kit - full set - Make wheel changes faster and easier, enough to convert both axles - ECS - BMW

Make wheel changes faster and easier, enough to convert both axles affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Ideal for vehicles with 11mm - 20mm wheel spacers. May also be used with smaller spacers or without space

Brand:
ECS - Corporate Logo
ES#:
2837113
Mfg#:
001467ECS30KT4
In Stock
ON SALE! SAVE 10%
$163.99

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

$147.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exact-Fit Stainless Steel Brake Lines - Complete Kit

ES#3464399 - 000021ECSKT - Exact-Fit Stainless Steel Brake Lines - Complete Kit - DOT-compliant 6 line kit to improve pedal feel in your vehicle. - ECS - BMW

DOT-compliant 6 line kit to improve pedal feel in your vehicle. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3464399
Mfg#:
000021ECSKT
In Stock
ON SALE!
$148.99

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

$144.52 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Stud Conversion Kit - full Set

ES#2837114 - 001467ecs30KT5 - Wheel Stud Conversion Kit - full Set - Make wheel changes faster and easier, enough to convert both axles - ECS - BMW

Make wheel changes faster and easier, enough to convert both axles affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Ideal for vehicles with 21mm - 30mm wheel spacers. May also be used with smaller spacers or without space

Brand:
ECS - Corporate Logo
ES#:
2837114
Mfg#:
001467ECS30KT5
In Stock
ON SALE! SAVE 15%
$163.99

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

$139.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

4x100 Wheel Spacers - 12.5mm (1 Pair) - With Bolts

ES#259859 - ECS10166KTWB - 4x100 Wheel Spacers - 12.5mm (1 Pair) - With Bolts - Aluminum wheel spacers & bolt kit made specifically for your BMW - ECS - BMW

Aluminum wheel spacers & bolt kit made specifically for your BMW affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
259859
Mfg#:
ECS10166KTWB
In Stock
$134.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Polyurethane Front Outer Control Arm Bushing Set - Black Series

ES#5445307 - PFF5-1602BLK - Polyurethane Front Outer Control Arm Bushing Set - Black Series - Improve the handling and suspension feel with these polyurethane bushings. - Powerflex Black Series - BMW

Improve the handling and suspension feel with these polyurethane bushings. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For 1978-1983 Model Years

Brand:
Powerflex Black Series - Corporate Logo
ES#:
5445307
Mfg#:
PFF5-1602BLK
In Stock
$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Air Filter

ES#258204 - 33-2005 - Engine Air Filter - Drop-in high performance air filter with a million mile warranty! - K&N - BMW

Drop-in high performance air filter with a million mile warranty! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
K&N - Corporate Logo
ES#:
258204
Mfg#:
33-2005
In Stock
$104.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Polyurethane Front Sway Bar Bushing Set

ES#3218783 - PFF5-1603-22x2 - Performance Polyurethane Front Sway Bar Bushing Set - Stiffer bushings allow sway bars to work at their fullest potential. For 22mm front sway bar. - Powerflex - BMW

Stiffer bushings allow sway bars to work at their fullest potential. For 22mm front sway bar. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
3218783
Mfg#:
PFF5-1603-22X2
Ships in 5 Business Days
$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Damper

ES#27489 - 11811246770 - Engine Damper - Attaches to the engine mount bracket - Genuine BMW - BMW

Attaches to the engine mount bracket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
27489
Mfg#:
11811246770
Ships in 5 Business Days
6% off MSRP

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

$105.99

This product was last offered at the strikethrough price on
07-06-2026

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Stainless Steel Brake Lines - Front

ES#3690899 - 028601TMS01 - Turner Motorsport Stainless Steel Brake Lines - Front - New low profile hardware & zinc-nickel plating for superior corrosion resistance! DOT compliant and MADE IN USA! - Turner Motorsport - BMW

New low profile hardware & zinc-nickel plating for superior corrosion resistance! DOT compliant and MADE IN USA! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3690899
Mfg#:
028601TMS01
In Stock
$96.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Polyurethane Front Outer Control Arm Bushing Set - Street

ES#3218782 - PFF5-1602x2 - Polyurethane Front Outer Control Arm Bushing Set - Street - 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
For vehicles with a model year 1978-1983
For 1978-1983 Model Years

Brand:
Powerflex - Corporate Logo
ES#:
3218782
Mfg#:
PFF5-1602X2
Ships in 1 Business Day
$92.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Powerflex Clutch Fork Pivot Pin

ES#4726457 - PFF5-370 - Powerflex Clutch Fork Pivot Pin - Performance and Reliability with the Powerflex Clutch Fork Pivot Pin - Powerflex - BMW

Performance and Reliability with the Powerflex Clutch Fork Pivot Pin affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
4726457
Mfg#:
PFF5-370
Back Ordered
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Suction hood

ES#33185 - 13511263245 - Fuel Suction hood - A key component to the fuel injection system - Genuine BMW - BMW

A key component to the fuel injection system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
33185
Mfg#:
13511263245
Special Order: No Guaranteed ETA
2% off MSRP

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

$85.99

This product was last offered at the strikethrough price on
07-06-2026

$83.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pro Dry S Air Filter

ES#518843 - 31-10048 - 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#:
518843
Mfg#:
31-10048
Ships in 1 Business Day
ON SALE! SAVE 15%
$97.00

This product was last offered at the strikethrough price on
06-29-2026

$82.45 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner 4" Universal Double Wall Exhaust Tip W/ Brushed Stainless Finish

ES#4464688 - 026374TMS02-12 - Turner 4" Universal Double Wall Exhaust Tip W/ Brushed Stainless Finish - Stainless Steel exhaust tip featuring a 3" Inlet & a 4.0", Slant Cut Outlet - Turner Motorsport - BMW

Stainless Steel exhaust tip featuring a 3" Inlet & a 4.0", Slant 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#:
4464688
Mfg#:
026374TMS02-12
Ships on Aug 17, 2026
Auto Notify
ON SALE!
$83.99

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

$81.47 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Stud Conversion Kit - Half set

ES#2837125 - 001467ecs30KT7 - Wheel Stud Conversion Kit - Half set - Make wheel changes faster and easier, enough to convert one axle - ECS - BMW

Make wheel changes faster and easier, enough to convert one axle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Ideal for vehicles with 11mm - 20mm wheel spacers. May also be used with smaller spacers or without space

Brand:
ECS - Corporate Logo
ES#:
2837125
Mfg#:
001467ECS30KT7
In Stock
ON SALE! SAVE 10%
$88.99

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

$80.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Polyurethane Front Outer Control Arm Bushing Set - Black Series

ES#4715522 - PFF5-1702BLK - Polyurethane Front Outer Control Arm Bushing Set - Black Series - Improve the handling and suspension feel with these polyurethane bushings. - Powerflex Black Series - BMW

Improve the handling and suspension feel with these polyurethane bushings. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For 1975-1978 Model Years

Brand:
Powerflex Black Series - Corporate Logo
ES#:
4715522
Mfg#:
PFF5-1702BLK
In Stock
$79.99 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.

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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