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BMW E46 325i M54 2.5L

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BMW E46 325i M54 2.5L Performance Engine Parts

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FSB WMI Controller - V2 Universal

ES#4715229 - FSB-UNI - FSB WMI Controller - V2 Universal - Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping! - Burgaflex - Audi BMW Volkswagen MINI

Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping! For most JB4 applications.

Brand:
Burgaflex - Corporate Logo
ES#:
4715229
Mfg#:
FSB-UNI
In Stock
ON SALE!
$153.00

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

$141.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Scratch and Dent Item

SnowPerformance Stage 2 Boost Cooler Forced Induction Progressive Engine Mount Water-Methanol Injection Kit *Scratch And Dent*

ES#5491579 - SN0-20010SD2 - SnowPerformance Stage 2 Boost Cooler Forced Induction Progressive Engine Mount Water-Methanol Injection Kit *Scratch And Dent* - ***Please see photos and description prior to ordering, all sales final.*** Red High Temp Nylon Tubing, Quick-Connect Fittings - Scratch & Dent - Audi BMW Volkswagen MINI

***Please see photos and description prior to ordering, all sales final.*** Red High Temp Nylon Tubing, Quick-Connect Fittings ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5491579
Mfg#:
SN0-20010SD2
In Stock
ON SALE! SAVE 12%
$482.99

This product was last offered at the strikethrough price on
10-03-2026

$426.99 USD
Free Shipping
on orders $49 and up

E46 325i/Ci Power Pack

ES#3980996 - 3027882ktKT - E46 325i/Ci Power Pack - Improve your cars performance with this effective and simple upgrade kit! - Assembled By ECS - BMW

Improve your cars performance with this effective and simple upgrade kit! 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date up to 02/2003 with Valeo alternator

Brand:
Assembled By ECS - Corporate Logo
ES#:
3980996
Mfg#:
3027882KTKT
Ships in 3 Business Days
ON SALE!
$1955.99

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

$1955.11 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

E46 325i/Ci Power Pack

ES#3980998 - 3027882kKT1 - E46 325i/Ci Power Pack - Improve your cars performance with this effective and simple upgrade kit! - Assembled By ECS - BMW

Improve your cars performance with this effective and simple upgrade kit! 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date after 02/2003 with Valeo alternator

Brand:
Assembled By ECS - Corporate Logo
ES#:
3980998
Mfg#:
3027882KKT1
Ships in 3 Business Days
ON SALE!
$1955.99

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

$1955.11 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

E46 325i/Ci Power Pack

ES#3980994 - 2532708ktKT - E46 325i/Ci Power Pack - Improve your cars performance with this effective and simple upgrade kit! - Assembled By ECS - BMW

Improve your cars performance with this effective and simple upgrade kit! 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date after 02/2003 with Bosch alternator

Brand:
Assembled By ECS - Corporate Logo
ES#:
3980994
Mfg#:
2532708KTKT
Ships in 3 Business Days
ON SALE!
$1955.99

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

$1955.11 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

E46 325i/Ci Power Pack

ES#3980993 - 787406kKT - E46 325i/Ci Power Pack - Improve your cars performance with this effective and simple upgrade kit! - Assembled By ECS - BMW

Improve your cars performance with this effective and simple upgrade kit! 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date up to 02/2003 with Bosch alternator

Brand:
Assembled By ECS - Corporate Logo
ES#:
3980993
Mfg#:
787406KKT
Ships in 3 Business Days
ON SALE!
$1955.99

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

$1955.11 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

1.25 Gallon Heavy-Duty Universal Methanol Tank - Clear/White

ES#4714702 - 1.25G-UMT-CL - 1.25 Gallon Heavy-Duty Universal Methanol Tank - Clear/White - Heavy-duty yet compact tank that is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk. - Burger Motorsports - Audi BMW Volkswagen MINI

Heavy-duty yet compact tank that is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk.

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714702
Mfg#:
1.25G-UMT-CL
Ships on Oct 28, 2026
$69.00 USD
Free Shipping
on orders $49 and up

CSF Universal Large Single-Pass Cooler

ES#5470103 - 8371 - CSF Universal Large Single-Pass Cooler - Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. - CSF - Audi BMW Volkswagen Mercedes Benz MINI

Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. 2X Entries Into Our F80 M3 Sweepstakes
Universal fitment design - modifications may be necessary to run this cooler

Brand:
CSF - Corporate Logo
ES#:
5470103
Mfg#:
8371
Ships in 4 Business Days
$499.00 USD
Free Shipping

Essentials Bundle

ES#5435255 - MMB-E46-002 - Essentials Bundle - The Mishimoto Essentials Bundle is a comprehensive cooling solution designed to address the notorious "weak points" of the BMW E46 cooling system. - Mishimoto - BMW

The Mishimoto Essentials Bundle is a comprehensive cooling solution designed to address the notorious "weak points" of the BMW E46 cooling system. For vehicles with manual transmission

Brand:
Mishimoto - Corporate Logo
ES#:
5435255
Mfg#:
MMB-E46-002
Ships in 4 Business Days
$1127.99 USD

Corsa TSE3 Axle-Back Sport Mufflers - Black Tips

Transform your sound into a true sports car Includes $75 in gift cards for future purchases!

Brand:
Corsa - Corporate Logo
ES#:
3478461
Mfg#:
COR14559BKT
Ships on Nov 3, 2026
$1119.99 USD
This product is lifetime replacement eligible Lifetime Replacement

LS Swap Engine Mounts - 92-06 BMW E36 And E46

Seamlessly swap LS power into your BMW E36 or E46 chassis.

Brand:
ICT Billet
ES#:
5470912
Mfg#:
EM-LS-E46
Ships in 3 Business Days
17% off MSRP

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

$431.99

This product was last offered at the strikethrough price on
10-13-2026

$359.99 USD
Free Shipping
on orders $49 and up

Hobbs Switch (30 psi)

Engages water-methanol system at 35PSI Adjustable from 25-50psi

Brand:
SnowPerformance - Corporate Logo
ES#:
2826280
Mfg#:
81081
In Stock at Vendor
$74.99 USD
Free Shipping
on orders $49 and up

Turbocharger Inlet Flange - Garrett G40/42/45 V-Band - 86mm ID

Offers a seamless transition from the turbine housing to your custom plumbing, minimizing turbulence and maximizing efficiency for high-horsepower builds. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
5446634
Mfg#:
GARROUTT4G4045
Ships in 10 Business Days
$37.99 USD
Free Shipping

Turner Motorsport Double Wall Slash Cut Exhaust Tips - 2.75 Inlet - 3.5 OD - Stepped Left And Stepped Right- Titanium Black Chrome

ES#5481264 - 026732tms03ktKT - Turner Motorsport Double Wall Slash Cut Exhaust Tips - 2.75 Inlet - 3.5 OD - Stepped Left And Stepped Right- Titanium Black Chrome - Your BMW's factory exhaust tips are fine for getting groceries, but if you've upgraded your valence or just want a rear-end aesthetic that matches your car's performance pedigree, "fine" doesn't cut it. It's time for an attitude adjustment. - Assembled By ECS - BMW MINI

Your BMW's factory exhaust tips are fine for getting groceries, but if you've upgraded your valence or just want a rear-end aesthetic that matches your car's performance pedigree, "fine" doesn't cut it. It's time for an attitude adjustment. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481264
Mfg#:
026732TMS03KTKT
Ships on Oct 29, 2026
$279.99 USD
Free Shipping
on orders $49 and up
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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