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

Camshaft Bearing Bridge - Intake

ES#18370 - 11121740428 - Camshaft Bearing Bridge - Intake - Used to encase the camshaft in the cylinder head - Genuine BMW - BMW

Used to encase the camshaft in the cylinder head

Brand:
Genuine BMW - Corporate Logo
ES#:
18370
Mfg#:
11121740428
Ships in 3 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.

$456.99

This product was last offered at the strikethrough price on
11-02-2026

$430.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump - With O-Ring

ES#2714593 - 11517509985 - Water Pump - With O-Ring - Featuring advanced composite impeller - Genuine BMW - BMW

Featuring advanced composite impeller

Brand:
Genuine BMW - Corporate Logo
ES#:
2714593
Mfg#:
11517509985
In Stock
11% off MSRP

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

$192.54

This product was last offered at the strikethrough price on
11-02-2026

$172.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cometic "MLS" Multi Layer Steel Head Gasket - .070 Inch

ES#3177687 - C4328-070 - Cometic "MLS" Multi Layer Steel Head Gasket - .070 Inch - Improve your head gasket strength and reliability for performance NA and forced induction applications! - Cometic - BMW

Improve your head gasket strength and reliability for performance NA and forced induction applications!

Brand:
Cometic - Corporate Logo
ES#:
3177687
Mfg#:
C4328-070
Ships on Nov 19, 2026
$245.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Pump Control Valve (EGR)

ES#26817 - 11727553063 - Air Pump Control Valve (EGR) - Attached to the secondary air pump - Genuine BMW - BMW

Attached to the secondary air pump

Brand:
Genuine BMW - Corporate Logo
ES#:
26817
Mfg#:
11727553063
In Stock
2% off MSRP

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

$194.99

This product was last offered at the strikethrough price on
11-02-2026

$190.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2777575 - 17117639022 - Expansion Tank Cap - Replace worn or missing pieces. - Genuine BMW - BMW

Replace worn or missing pieces.

Brand:
Genuine BMW - Corporate Logo
ES#:
2777575
Mfg#:
17117639022
In Stock
21% off MSRP

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

$34.96

This product was last offered at the strikethrough price on
11-02-2026

$27.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Relay - 4 Prong

ES#3024042 - 61311373585 - Fuel Pump Relay - 4 Prong - A failed fuel pump relay will prevent your BMW from running - Bosch - BMW

A failed fuel pump relay will prevent your BMW from running We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3024042
Mfg#:
61311373585
In Stock
$11.99 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 Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4305458
Mfg#:
11421719855KT1
Ships on Nov 19, 2026
ON SALE!
$301.99

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

$285.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Brass Coolant Bleeder Screw - Priced Each

ES#4017796 - 17111712788PRM - Brass Coolant Bleeder Screw - Priced Each - Comes with O-Ring - URO Premium - BMW MINI

Comes with O-Ring 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO Premium - Corporate Logo
ES#:
4017796
Mfg#:
17111712788PRM
In Stock
$5.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

WPC-Treated Race Series Main Bearing Set - M20/M50/M52/M54/S54

ES#4845662 - M5X-WPC-MB - WPC-Treated Race Series Main Bearing Set - M20/M50/M52/M54/S54 - The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. - Turner Motorsport - BMW

The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845662
Mfg#:
M5X-WPC-MB
In Stock
Limited Qty Sale
$520.99

This product was last offered at the strikethrough price on
06-13-2026

$425.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

6mm Single Groove Valve Keeper - Priced Each

ES#2598482 - KPR-6S-7 - 6mm Single Groove Valve Keeper - Priced Each - Two required per valve, necessary for use with certain supertech valves - Supertech - BMW

Two required per valve, necessary for use with certain supertech valves

Brand:
Supertech - Corporate Logo
ES#:
2598482
Mfg#:
KPR-6S-7
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount - Priced Each

ES#1848515 - 22116779970 - Engine Mount - Priced Each - Keep your engine securely mounted - Corteco - BMW

Keep your engine securely mounted

Brand:
Corteco - Corporate Logo
ES#:
1848515
Mfg#:
22116779970
In Stock
$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Oil Filter Housing Gasket Replacement Kit - With Billet Drain-Back Valve

ES#5491779 - 060233LA01KT - Complete Oil Filter Housing Gasket Replacement Kit - With Billet Drain-Back Valve - Everything you need to reseal & upgrade your oil filter housing! Includes a new gasket, hardware, VANOS line, billet check valve, oil pressure switch, and oil service kit. - Assembled By ECS - BMW

Everything you need to reseal & upgrade your oil filter housing! Includes a new gasket, hardware, VANOS line, billet check valve, oil pressure switch, and oil service kit. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5491779
Mfg#:
060233LA01KT
Ships on Nov 19, 2026
ON SALE!
$348.99

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

$330.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Cat Cams M52TU B28 Hot Street Camshaft Set

ES#3672195 - 1304406 - Cat Cams M52TU B28 Hot Street Camshaft Set - 258/257 - 224/215 - Cat Cams - BMW

258°/257° - 224°/215°

Brand:
Cat Cams - Corporate Logo
ES#:
3672195
Mfg#:
1304406
Special Order: No Guaranteed ETA
$1642.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat Cams M52TU B28 Sport Camshaft Set

ES#3672194 - 1304405 - Cat Cams M52TU B28 Sport Camshaft Set - 257/247 - 215/208 - Cat Cams - BMW

257°/247° - 215°/208°

Brand:
Cat Cams - Corporate Logo
ES#:
3672194
Mfg#:
1304405
Special Order: No Guaranteed ETA
$1642.99 USD
Free Shipping
on orders $49 and up

Spark Plug "High Power" - Bosch FGR-7-DQP+ , NGK BKR6EQUP (3199)

ES#1884755 - 12120037607 - Spark Plug "High Power" - Bosch FGR-7-DQP+ , NGK BKR6EQUP (3199) - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
1884755
Mfg#:
12120037607
Ships in 1-2 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.

$38.02

This product was last offered at the strikethrough price on
11-02-2026

$36.99 USD
Free Shipping
on orders $49 and up
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 Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings