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 Position Sensor

ES#28635 - 12147518628 - Camshaft Position Sensor - Exhaust side - Genuine BMW - BMW

Exhaust side

Brand:
Genuine BMW - Corporate Logo
ES#:
28635
Mfg#:
12147518628
In Stock
17% off MSRP

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

$166.83

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

$138.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 Radiator Hose - Upper

ES#4304688 - 17127510952 - E46 Radiator Hose - Upper - A common source of cooling system failure - Bremmen Parts - BMW
ECS Tuning recommends this product.

A common source of cooling system failure 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4304688
Mfg#:
17127510952
In Stock
ON SALE! SAVE 21%
$34.99

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

$27.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Conversion Kit

ES#517967 - 11287838797 - Hydraulic Alternator Belt Tensioner Conversion Kit - Complete conversion kit for converting alternator tensioner over to the more reliable hydraulic tensioner design - Assembled By ECS - BMW

Complete conversion kit for converting alternator tensioner over to the more reliable hydraulic tensioner design 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
517967
Mfg#:
11287838797
In Stock
ON SALE!
$113.99

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

$110.42 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Density Line Performance Transmission Mount Set

ES#3143399 - 034-509-4050-SD - Density Line Performance Transmission Mount Set - Increase performance and durability without sacrificing comfort - an ECS Tuning exclusive! - 034Motorsport - BMW

Increase performance and durability without sacrificing comfort - an ECS Tuning exclusive!

Brand:
034Motorsport - Corporate Logo
ES#:
3143399
Mfg#:
034-509-4050-SD
In Stock
$66.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Puller Fan Assembly

ES#2814088 - 17117561757 - Auxiliary Puller Fan Assembly - Cooling fan mounted behind the radiator - Hamburg Tech - BMW

Cooling fan mounted behind the radiator We Price Match - Give Us A Call or Chat!
For vehicles with production date from 10/1998

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814088
Mfg#:
17117561757
In Stock
$187.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intake Air Adjustment Unit/DISA Valve

ES#4899520 - 11611440049 - Intake Air Adjustment Unit/DISA Valve - Located on the side of the intake manifold - Rein - BMW

Located on the side of the intake manifold 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4899520
Mfg#:
11611440049
Back Ordered
Auto Notify
$163.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pipe

ES#4069274 - 11537502525 - Water Pipe - Connects return hose to engine block - Rein - BMW

Connects return hose to engine block 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4069274
Mfg#:
11537502525
In Stock
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

WPC Treated Crank Bearing Set

ES#4000006 - 11211706847wpcKT - WPC Treated Crank Bearing Set - Stronger & smoother, with less friction for your BMW! - ECS - BMW
ECS Tuning recommends this product.

Stronger & smoother, with less friction for your BMW! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4000006
Mfg#:
11211706847WPCKT
In Stock
ON SALE!
$250.99

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

$243.46 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator - Automatic

ES#205348 - 17119071519 - Radiator - Automatic - Replace your leaking radiator - Mahle-Behr - BMW

Replace your leaking radiator For vehicles with automatic transmission only

Brand:
Mahle-Behr - Corporate Logo
ES#:
205348
Mfg#:
17119071519
In Stock at Vendor
$271.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount - Priced Each

ES#27517 - 11812283798 - Engine Mount - Priced Each - Keep your engine securely mounted - Genuine BMW - BMW

Keep your engine securely mounted Harder durometer mount from the M3 for improved performance.

Brand:
Genuine BMW - Corporate Logo
ES#:
27517
Mfg#:
11812283798
Ships in 4 Business Days
9% off MSRP

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

$209.24

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

$189.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Idle Control Valve

ES#3559958 - 13411744713 - Idle Control Valve - An integral part of the air intake system - Hamburg Tech - BMW

An integral part of the air intake system We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
3559958
Mfg#:
13411744713
In Stock
$93.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount - Priced Each

ES#248797 - 22316771219 - Transmission Mount - Priced Each - Mounted at the rear of transmission on crossmember - Lemforder - BMW

Mounted at the rear of transmission on crossmember We Price Match - Give Us A Call or Chat!

Brand:
Lemforder - Corporate Logo
ES#:
248797
Mfg#:
22316771219
In Stock at Vendor
$14.99

This product was last offered at the strikethrough price on
07-24-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Kit

ES#10313 - 11427512300 - Oil Filter Kit - Includes filter, O-ring, and copper washer - Hengst - BMW
ECS Tuning recommends this product.

Includes filter, O-ring, and copper washer 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
10313
Mfg#:
11427512300
In Stock
$10.99 USD
Free Shipping
on orders $49 and up

Exhaust Manifold Gasket With Heat Shield - Priced Each

ES#2952051 - 11621732969 - Exhaust Manifold Gasket With Heat Shield - Priced Each - 2 required per vehicle - Elring - BMW

2 required per vehicle 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2952051
Mfg#:
11621732969
In Stock
$42.99

This product was last offered at the strikethrough price on
03-26-2026

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Seal Kit

ES#4879308 - 11141438274 - Crankshaft Seal Kit - Manufactured from high-strength, heat-resistant materials, the URO Crankshaft Seal withstands extreme temperatures, engine vibrations, and constant exposure to oil. - URO - BMW

Manufactured from high-strength, heat-resistant materials, the URO Crankshaft Seal withstands extreme temperatures, engine vibrations, and constant exposure to oil. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4879308
Mfg#:
11141438274
In Stock
$122.02 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 ECS Tuning is part of Enthusiast Auto Holdings