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BMW E46 Performance Engine & Drivetrain Parts

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In-Line Micro Regulator - 4 Bar

ES#4883148 - 601-0259 - In-Line Micro Regulator - 4 Bar - The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure! - Precision Raceworks - Audi BMW Volkswagen

The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883148
Mfg#:
601-0259
Ships in 9 Business Days
$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Forged Piston Set - BMW M54B30

84mm bore, 9.0:1 compression ratio. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JE Piston - Corporate Logo
ES#:
4809693
Mfg#:
JE-FPS-M54B30
Ships on Jun 19, 2026
$2654.99 USD
Free Shipping
on orders $49 and up

JE Forged Piston Set - M54 2.5L

84mm, 8.5:1 CR affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
VAC Motorsports - Corporate Logo
ES#:
4758816
Mfg#:
JE-FPS-M54
Ships on Jun 19, 2026
$1399.99 USD
Free Shipping
on orders $49 and up

Aluminum Radiator - Red Hose - E46 M3

ES#4656924 - WC310R - Aluminum Radiator - Red Hose - E46 M3 - Let your engine breathe better with this DO88 Radiator! - DO88 - BMW

Let your engine breathe better with this DO88 Radiator! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DO88 - Corporate Logo
ES#:
4656924
Mfg#:
WC310R
Ships on Jun 23, 2026
$735.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Performance Air Intake System

Replaces your restrictive stock airbox for greater airflow and performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pipercross - Corporate Logo
ES#:
4830020
Mfg#:
PK318
Ships on Jun 25, 2026
$223.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M54 Cylinder Head - Bare

ES#2918696 - 11127514540-1 - M54 Cylinder Head - Bare - Bare head, guides and seats only - AMC - BMW

Bare head, guides and seats only affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AMC - Corporate Logo
ES#:
2918696
Mfg#:
11127514540-1
Ships on Jun 26, 2026
$1869.02 USD

Union Tee - 1/4 Quick Connect

Quick connect union T-fitting for 1/4" Nylon affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
2826282
Mfg#:
82040
Special Order: No Guaranteed ETA
$23.99 USD
Free Shipping
on orders $49 and up

Turner Adjustable Short Shift Kit & 5-Speed Weighted Shift Knob AND 237mm DSSR

ES#4751364 - 026017TMS11EBKT - Turner Adjustable Short Shift Kit & 5-Speed Weighted Shift Knob AND 237mm DSSR - Adjustable throw to fine tune your driving experience! - Enthusiast Bundles - BMW

Adjustable throw to fine tune your driving experience! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
DSSR fits vehicles with a production date up to 03/2003

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751364
Mfg#:
026017TMS11EBKT
Ships on Aug 4, 2026
Auto Notify
$709.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

M54 Power Pack

ES#3618083 - e46330ppKT1 - M54 Power Pack - Improve your cars performance with a power pack that includes effective, easy to do upgrades! - Assembled By ECS - BMW

Improve your cars performance with a power pack that includes effective, easy to do upgrades! 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#:
3618083
Mfg#:
E46330PPKT1
Ships on Aug 11, 2026
ON SALE! SAVE 16%
$788.99

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

$665.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S54 Power Pack - stage 1

ES#3618647 - s54ppKT3 - S54 Power Pack - stage 1 - Improve your cars performance in a afternoon with this effective and simple upgrade kit! - Assembled By ECS - BMW

Improve your cars performance in a afternoon with this effective and simple upgrade kit! 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#:
3618647
Mfg#:
S54PPKT3
Ships on Aug 11, 2026
ON SALE! SAVE 25%
$661.99

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

$496.47 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M54 Power Pack

ES#3618096 - e46330ppKT2 - M54 Power Pack - Improve your cars performance with a power pack that includes effective, easy to do upgrades! - Assembled By ECS - BMW

Improve your cars performance with a power pack that includes effective, easy to do upgrades! 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#:
3618096
Mfg#:
E46330PPKT2
Ships on Aug 11, 2026
ON SALE! SAVE 21%
$788.99

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

$626.55 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S54 Power Pack - stage 2

ES#3618773 - s54ppKT4 - S54 Power Pack - stage 2 - Improve your cars performance in a afternoon with this effective and simple upgrade kit! - Assembled By ECS - BMW

Improve your cars performance in a afternoon with this effective and simple upgrade kit! 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#:
3618773
Mfg#:
S54PPKT4
Ships on Aug 11, 2026
ON SALE! SAVE 25%
$1363.99

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

$1021.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M54 Power Pack

ES#3618097 - e46330ppKT3 - M54 Power Pack - Improve your cars performance with a power pack that includes effective, easy to do upgrades! - Assembled By ECS - BMW

Improve your cars performance with a power pack that includes effective, easy to do upgrades! 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#:
3618097
Mfg#:
E46330PPKT3
Ships on Aug 11, 2026
ON SALE! SAVE 21%
$788.99

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

$626.55 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Schrick Camshaft Set - 288/280 14mm Lift

ES#3032908 - TMS200186 - Schrick Camshaft Set - 288/280 14mm Lift - Ultra aggressive race cams - Schrick - BMW

Ultra aggressive race cams affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Schrick - Corporate Logo
ES#:
3032908
Mfg#:
TMS200186
Ships on Sep 22, 2026
$3261.73 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Schrick Exhaust Camshaft - 280 Degree 14.0mm Lift

A more aggressive option for your track-focused S54 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Schrick - Corporate Logo
ES#:
4743088
Mfg#:
0415A180001
Special Order: No Guaranteed ETA
$1876.99 USD
Free Shipping
on orders $49 and up

Oil Temperature Sensor And Gauge Kit - Green/White

ES#3173689 - oiltempgaugeKT - Oil Temperature Sensor And Gauge Kit - Green/White - The perfect combination for your oil temperature needs, a Turner oil sensor flange with a Prosport gauge! - Assembled By ECS - BMW

The perfect combination for your oil temperature needs, a Turner oil sensor flange with a Prosport gauge! 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#:
3173689
Mfg#:
OILTEMPGAUGEKT
Ships on Oct 13, 2026
ON SALE!
$196.99

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

$190.35 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

Let us help you find the parts that fit your BMW

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