Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

BMW E46 323i M52 2.5L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle BMW E46 323i M52 2.5L
Your Vehicle BMW E46 323i M52 2.5L
Change Clear

BMW E46 323i M52 2.5L Engine Parts & Accessories

Sort By
Filter By
Return to Top

Crankcase Pressure Regulator Valve

ES#25703 - 11617501566 - Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" or PCV - Genuine BMW - BMW

Commonly referred to as the "oil separator" or PCV

Brand:
Genuine BMW - Corporate Logo
ES#:
25703
Mfg#:
11617501566
Ships in 4 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.

$102.99

This product was last offered at the strikethrough price on
02-18-2026

$96.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 3 plus

ES#3706700 - 17119071519gKT2 - ECS Cooling System Refresh Kit - Level 3 plus - The ultimate cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley, Stewart water pump and Aluminum Radiator - Assembled By ECS - BMW

The <font color='red'> ultimate</font> cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley, Stewart water pump and Aluminum Radiator 10X Entries For Our 25th Anniversary Sweepstakes!
For Automatic Vehicles Only!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3706700
Mfg#:
17119071519GKT2
In Stock
ON SALE!
$1508.99

This product was last offered at the strikethrough price on
06-15-2026

$1454.11 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Fuel Tank Breather Valve

ES#35479 - 13901433603 - Fuel Tank Breather Valve - Valve between charcoal canister and throttle body - Genuine BMW - BMW

Valve between charcoal canister and throttle body

Brand:
Genuine BMW - Corporate Logo
ES#:
35479
Mfg#:
13901433603
Ships in 4 Business Days
$120.88 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sprint Booster Power Converter V3

ES#3184663 - SBBM0003S - Sprint Booster Power Converter V3 - Reduces the delay of your "Drive by Wire" throttle response - All new V3 model provides additional features such as 'valet' and 'pedal lock' modes - Sprint Booster - BMW

Reduces the delay of your "Drive by Wire" throttle response - All new V3 model provides additional features such as 'valet' and 'pedal lock' modes

Brand:
Sprint Booster - Corporate Logo
ES#:
3184663
Mfg#:
SBBM0003S
Ships on Aug 21, 2026
$289.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Race Oil Pan Baffle Kit - M52TU M54

ES#4364724 - 11-AM-OPB-M54 - Race Oil Pan Baffle Kit - M52TU M54 - Keep your oil from sloshing and maintain oil pressure! - Achilles Motorsports - BMW

Keep your oil from sloshing and maintain oil pressure! For Dual Vanos Engines with a production date from 09/1998+

Brand:
Achilles Motorsports - Corporate Logo
ES#:
4364724
Mfg#:
11-AM-OPB-M54
In Stock
$159.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Activated Charcoal Canister

ES#37080 - 16131183906 - Activated Charcoal Canister - Also known as a charcoal filter - Genuine BMW - BMW

Also known as a charcoal filter

Brand:
Genuine BMW - Corporate Logo
ES#:
37080
Mfg#:
16131183906
Ships in 4 Business Days
3% off MSRP

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

$369.99

This product was last offered at the strikethrough price on
07-28-2026

$357.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2588238 - 12131703228IGKT - Ignition Service Kit - Everything you need to service your ignition system - Assembled By ECS - BMW

Everything you need to service your ignition system 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2588238
Mfg#:
12131703228IGKT
In Stock
$353.99

This product was last offered at the strikethrough price on
02-27-2026

$285.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor - Intake

ES#205329 - 12147539165 - Camshaft Position Sensor - Intake - Intake side - Febi - BMW

Intake side 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Includes o-ring.

Brand:
Febi - Corporate Logo
ES#:
205329
Mfg#:
12147539165
Ships in 1-3 days
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete oil filter housing gasket Replacement kit

ES#4305458 - 11421719855KT1 - Complete oil filter housing gasket Replacement kit - Includes everything for a oil filter housing gasket change and oil service - Assembled By ECS - BMW

Includes everything for a oil filter housing gasket change and oil service 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4305458
Mfg#:
11421719855KT1
Ships on Aug 14, 2026
Auto Notify
ON SALE!
$282.99

This product was last offered at the strikethrough price on
06-22-2026

$280.56 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Aluminum water pump & power steering Pulley Kit - With Belts

ES#2863229 - 003042ECS01KT5 - Aluminum water pump & power steering Pulley Kit - With Belts - Finally, a durable pulley kit that won't break! Includes durable ECS Aluminum Power Steering Pulley, Aluminum water pump and Continental belts. - Assembled By ECS - BMW

Finally, a durable pulley kit that won't break! Includes durable ECS Aluminum Power Steering Pulley, Aluminum water pump and Continental belts. 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date before 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
2863229
Mfg#:
003042ECS01KT5
In Stock
ON SALE!
$239.99

This product was last offered at the strikethrough price on
06-23-2026

$233.32 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel tank vent pipe

ES#36264 - 16117176511 - Fuel tank vent pipe - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
36264
Mfg#:
16117176511
In Stock
ON SALE!
$283.99

This product was last offered at the strikethrough price on
06-25-2026

$279.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust

ES#1899401 - 16532 - 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

Brand:
Magnaflow - Corporate Logo
ES#:
1899401
Mfg#:
16532
Ships in 1 Business Day
$1396.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.5 Inlet 3.0 OD - Stepped Right - Brushed Stainless

ES#4146865 - 026732TMS06-02 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.5 Inlet 3.0 OD - Stepped Right - Brushed Stainless - Right - Brushed Stainless Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Turner Motorsport - BMW MINI

Right - Brushed Stainless Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146865
Mfg#:
026732TMS06-02
In Stock
ON SALE! SAVE 26%
$125.99

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

$92.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drain Plug Washer - Priced Each

ES#2580798 - 32411093596 - Drain Plug Washer - Priced Each - 14x20 - Aluminum or Copper - Victor Reinz - BMW MINI

14x20 - Aluminum or Copper Sealing washer for oil line

Brand:
Victor Reinz - Corporate Logo
ES#:
2580798
Mfg#:
32411093596
In Stock
$3.99

This product was last offered at the strikethrough price on
04-21-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose

ES#178073 - 64218376153 - Expansion Tank Hose - Expansion tank to heater core - Genuine BMW - BMW

Expansion tank to heater core

Brand:
Genuine BMW - Corporate Logo
ES#:
178073
Mfg#:
64218376153
In Stock
13% off MSRP

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

$79.29

This product was last offered at the strikethrough price on
07-28-2026

$69.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings