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BMW E46 325Ci M54 2.5L

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BMW E46 325Ci M54 2.5L Performance Engine Parts

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Performance Air Intake System

ES#11537 - 57-1002 - Performance Air Intake System - Great sound and increase power with this K&N intake kit - K&N - BMW

Great sound and increase power with this K&N intake kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CARB certified for sale in all 50 states

Brand:
K&N - Corporate Logo
ES#:
11537
Mfg#:
57-1002
EO#:
D-269-31
Back Ordered
ON SALE! SAVE 14%
$367.99

This product was last offered at the strikethrough price on
05-15-2026

$317.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mach Force XP Cat Back Exhaust System

ES#2574631 - 4946309 - Mach Force XP Cat Back Exhaust System - Bolt on performance plus great looks for your vehicle - AFE - BMW

Bolt on performance plus great looks for your vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
2574631
Mfg#:
4946309
In Stock at Vendor
20% off MSRP

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

$1915.00

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

$1532.00 USD
This product is lifetime replacement eligible Lifetime Replacement

3.5" Universal Exhaust Tip w/ Chrome Finish - Priced Each

ES#4039312 - 026374TMS02-01 - 3.5" Universal Exhaust Tip w/ Chrome Finish - Priced Each - Stainless Steel exhaust tip featuring a 2.5" Inlet & a 3.5" Double Wall, Angle Cut Outlet - Turner Motorsport - BMW MINI

Stainless Steel exhaust tip featuring a 2.5" Inlet & a 3.5" Double Wall, Angle 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#:
4039312
Mfg#:
026374TMS02-01
In Stock
ON SALE!
$89.99

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

$87.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VC-30 Water Methanol Controller (Boost)

ES#4623922 - SN0-60400 - VC-30 Water Methanol Controller (Boost) - Proportionally injects more or less water/methanol according to boost pressure - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Proportionally injects more or less water/methanol according to boost pressure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4623922
Mfg#:
SN0-60400
In Stock at Vendor
$184.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Stepped Left - Mirror

ES#4146840 - 026732TMS02-01 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Stepped Left - Mirror - Left - Mirror Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Turner Motorsport - BMW MINI

Left - Mirror Slash 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#:
4146840
Mfg#:
026732TMS02-01
In Stock
ON SALE! SAVE 15%
$123.99

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

$105.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Exact-Fit High Flow Air Filter - Dry

ES#4461002 - 012054LA10-DRY - ECS Exact-Fit High Flow Air Filter - Dry - High flow filter replacement to get your engine breathing better than new! - ECS - BMW

High flow filter replacement to get your engine breathing better than new! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4461002
Mfg#:
012054LA10-DRY
In Stock
ON SALE! SAVE 25%
$69.99

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

$52.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Stepped Right - Mirror

ES#4146843 - 026732TMS02-17 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Stepped Right - Mirror - Right - Mirror Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Turner Motorsport - BMW MINI

Right - Mirror Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 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#:
4146843
Mfg#:
026732TMS02-17
In Stock
ON SALE! SAVE 10%
$130.99

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

$117.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat Back Exhaust

ES#2102408 - 16748 - Cat Back Exhaust - 2.5" stainless steel with dual 3" polished stainless tips - Magnaflow - BMW

2.5" stainless steel with dual 3" polished stainless tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Magnaflow - Corporate Logo
ES#:
2102408
Mfg#:
16748
Ships in 1 Business Day
$1396.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Turner Baffled Oil Catch Can - Standard Flow 10oz

ES#4369816 - 022798TMS01-03 - Turner Baffled Oil Catch Can - Standard Flow 10oz - A 4 chamber, baffled oil catch can with a bottom drain option - Turner Motorsport - BMW

A 4 chamber, baffled oil catch can with a bottom drain option affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4369816
Mfg#:
022798TMS01-03
In Stock
ON SALE! SAVE 25%
$203.99

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

$152.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Valved Catback Exhaust & ECS Luft-Technik Intake System - E46 330i/Ci

ES#4876695 - 023536LA02EB2KT - Turner Motorsport Valved Catback Exhaust & ECS Luft-Technik Intake System - E46 330i/Ci - The ULTIMATE auditory upgrade - featuring a valved muffler for sound control and a free-flowing intake for increased performance. - Enthusiast Bundles - BMW

The ULTIMATE auditory upgrade - featuring a valved muffler for sound control and a free-flowing intake for increased performance. 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

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876695
Mfg#:
023536LA02EB2KT
Back Ordered
Auto Notify
ON SALE! SAVE 16%
$1627.98

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

$1369.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Pro Dry S Air Filter

ES#518824 - 31-10015 - 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#:
518824
Mfg#:
31-10015
In Stock
20% off MSRP

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

$121.99

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

$97.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supersprint Section 1 Mid Pipes - Straight Pipe

ES#3024755 - 787412 - Supersprint Section 1 Mid Pipes - Straight Pipe - Unrestricted power and sound - Supersprint - BMW

Unrestricted power and sound affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3024755
Mfg#:
787412
Ships in 3 Business Days
$676.99 USD
Free Shipping

Powerflex Tuneable Hybrid Urethane Engine Mounts - Street

ES#4666704 - PFF5-4650 - Powerflex Tuneable Hybrid Urethane Engine Mounts - Street - "Tuneable" to multiple performance settings! - Powerflex - BMW

"Tuneable" to multiple performance settings! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
4666704
Mfg#:
PFF5-4650
In Stock
$431.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Shark Injector Performance Software

Performance software designed to unlock your BMW's potential. Removes top speed limiter, raises rev limit to 7,000rpm, improves throttle response, and improves power output: +7HP +7LB/FT gains! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with a production date up to 02/2003

Brand:
Shark Injector - Corporate Logo
ES#:
3138969
Mfg#:
N4MS4325
In Stock
ON SALE! SAVE 10%
$349.00

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

$314.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Shark Injector Performance Software

Performance software designed to unlock your BMW's potential. Removes top speed limiter, raises rev limit to 7,000rpm, improves throttle response, and improves power output: +7HP +7LB/FT gains! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with a production date from 03/2003

Brand:
Shark Injector - Corporate Logo
ES#:
3138996
Mfg#:
N745325
Ships on Aug 11, 2026
ON SALE! SAVE 10%
$349.00

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

$314.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

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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