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BMW E90 Performance Parts & Upgrades

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N54/N55 Multi-Port Injection Kit - 750cc

ES#4364612 - 601-0015 - N54/N55 Multi-Port Injection Kit - 750cc - The ultimate supplementary fueling kit for the N54 and N55 engines! - Precision Raceworks - BMW

The ultimate supplementary fueling kit for the N54 and N55 engines! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4364612
Mfg#:
601-0015
Ships in 8 Business Days
$699.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BR Series Coilover Suspension Kit

ES#3509407 - I-13-BR - BR Series Coilover Suspension Kit - Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! - BC Racing - BMW

Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with EDC from factory, requires EDC cancellation kit sold separately
For vehicles originally equipped with EDC

Brand:
BC Racing - Corporate Logo
ES#:
3509407
Mfg#:
I-13-BR
In Stock
$1195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Stud Conversion Kit - Full Set

ES#2836721 - 001467ecs03KT - 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! USE CODE ECS20 IN CART FOR BEST PRICE
Ideal for vehicles with up to 10mm wheel spacers or those without spacers

Brand:
ECS - Corporate Logo
ES#:
2836721
Mfg#:
001467ECS03KT
In Stock
$194.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Helical Limited Slip Differential

ES#2795472 - MF-TRS-05E46A - 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Any defects or warranty claims will have to go directly to Team M Factory

Brand:
Team MFactory - Corporate Logo
ES#:
2795472
Mfg#:
MF-TRS-05E46A
In Stock
$999.99 USD
Free Shipping

Signature Exhaust Muffler - Generation 2

ES#3438804 - 11-021 - Signature Exhaust Muffler - Generation 2 - Higher flow and an aggressive sound to perk up your BMW! - Active Autowerke - BMW

Higher flow and an aggressive sound to perk up your BMW! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Active Autowerke - Corporate Logo
ES#:
3438804
Mfg#:
11-021
Back Ordered
Auto Notify
5% off MSRP

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

$759.00

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

$721.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N52 Exact-Fit Silicone Radiator Hoses

ES#4877083 - 008641LA03 - N52 Exact-Fit Silicone Radiator Hoses - Retains OEM fitment with superior looks and durability. Pre-assembled with factory connectors for easy installation! - ECS - BMW
ECS Tuning recommends this product.

Retains OEM fitment with superior looks and durability. Pre-assembled with factory connectors for easy installation! 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

For Vehicles With Engine Code N52B30 (Non-SULEV w/o Auxiliary Heating)

Brand:
ECS - Corporate Logo
ES#:
4877083
Mfg#:
008641LA03
In Stock
$130.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N54 PCV Valve Upgraded

ES#4428272 - 090745ECS09 - N54 PCV Valve Upgraded - Improve your N54's PCV system reliability! - ECS - BMW

Improve your N54's PCV system reliability! 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#:
4428272
Mfg#:
090745ECS09
Back Ordered
Auto Notify
$105.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Special Active Shock Kit

ES#3569159 - 87451014KT - Special Active Shock Kit - Superior handling without compromising ride quality - Koni - BMW

Superior handling without compromising ride quality affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Koni - Corporate Logo
ES#:
3569159
Mfg#:
87451014KT
In Stock
ON SALE! SAVE 20%
$836.99

This product was last offered at the strikethrough price on
03-02-2026

$669.26 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Fuel Pump Control Module - Noctua Fan - EKPM3

ES#4782782 - EKP-HW05-E-NF - Upgraded Fuel Pump Control Module - Noctua Fan - EKPM3 - Upgrade Your Old EKP to Keep Up With Your Fueling Needs! - Arc Terminator - BMW

Upgrade Your Old EKP to Keep Up With Your Fueling Needs! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires Coding

Brand:
Arc Terminator - Corporate Logo
ES#:
4782782
Mfg#:
EKP-HW05-E-NF
Back Ordered
Auto Notify
$229.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Replacement N55 Performance Filter, No Hardware - Blue (BMS111)

ES#4375527 - Replacement-N55F - Replacement N55 Performance Filter, No Hardware - Blue (BMS111) - Replacement performance filter for the popular N55 BMW Intakes - Burger Motorsports - BMW

Replacement performance filter for the popular N55 BMW Intakes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4375527
Mfg#:
REPLACEMENT-N55F
In Stock
$70.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Limited Slip Differential - 188 (Small Diff Housing)

ES#2917892 - 30309175WKWVT - Limited Slip Differential - 188 (Small Diff Housing) - Put all your power to the ground! *fits ratios of 3.15 and up* - Wavetrac - BMW

Put all your power to the ground! *​fits ratios of 3.15 and up* affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wavetrac - Corporate Logo
ES#:
2917892
Mfg#:
30309175WKWVT
Ships on Sep 17, 2026
$1245.99 USD
Free Shipping
on orders $49 and up

Motiv ReFlex 0-10 Bar Pressure Sensor

ES#4783203 - 101-0216 - Motiv ReFlex 0-10 Bar Pressure Sensor - Add in a 0-10 Bar Pressure Sensor For Your Motiv ReFlex! - Motiv Motorsports - BMW

Add in a 0-10 Bar Pressure Sensor For Your Motiv ReFlex! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Motiv Motorsports - Corporate Logo
ES#:
4783203
Mfg#:
101-0216
In Stock
$105.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Front Sway Bar - 28mm

ES#2769930 - 007278ECS01A - ECS Tuning Front Sway Bar - 28mm - Eliminate excessive body roll, improve handling, and gain a more engaging driving experience. Use alone to reduce oversteer or pair with an upgraded rear bar. - ECS - BMW

Eliminate excessive body roll, improve handling, and gain a more engaging driving experience. Use alone to reduce oversteer or pair with an upgraded rear bar. 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#:
2769930
Mfg#:
007278ECS01A
In Stock
$330.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Glow Plug Service Kit

ES#3183602 - 12237807277KT - Glow Plug Service Kit - Includes every thing needed to replace all six glow plugs for easy starts! - Assembled By ECS - BMW
ECS Tuning recommends this product.

Includes every thing needed to replace all six glow plugs for easy starts! 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#:
3183602
Mfg#:
12237807277KT
In Stock
ON SALE!
$449.29

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

$446.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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