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

ECS M52/M54/S52 Exact-Fit Stainless Steel Vanos Line

ES#4362427 - 000932LA01-01 - ECS M52/M54/S52 Exact-Fit Stainless Steel Vanos Line - Replace your failure prone factory Vanos line with a more durable, easy to install, and cost effective stainless steel line! - ECS - BMW
ECS Tuning recommends this product.

Replace your failure prone factory Vanos line with a more durable, easy to install, and cost effective stainless steel line! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4362427
Mfg#:
000932LA01-01
In Stock
ON SALE! SAVE 10%
$87.99

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

$79.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#28830 - 12147539165 - Camshaft Position Sensor - Intake side - Genuine BMW - BMW

Intake side For M52TU Motors Not For Non TU Engines

Brand:
Genuine BMW - Corporate Logo
ES#:
28830
Mfg#:
12147539165
In Stock
9% off MSRP

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

$228.86

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

$208.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Optima YELLOWTOP High Performance AGM Battery - H6

ES#3639387 - 9048-148 - Optima YELLOWTOP High Performance AGM Battery - H6 - Upgrade to the true dual purpose heavy duty battery with a longer life span - Optima - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade to the true dual purpose heavy duty battery with a longer life span This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi

Brand:
Optima - Corporate Logo
ES#:
3639387
Mfg#:
9048-148
Ships in 3 Business Days
$468.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Magnetic Oil Drain Plug - Priced Each (12x1.5)

ES#251840 - 002201ECS02A - Magnetic Oil Drain Plug - Priced Each (12x1.5) - Featuring 10 copper washers - ECS - BMW MINI

Featuring 10 copper washers 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
251840
Mfg#:
002201ECS02A
In Stock
ON SALE! SAVE 25%
$39.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

New Alternator - AL0703N - 120A

ES#3647573 - 12317501690 - New Alternator - AL0703N - 120A - Brand New Alternator, Not a reman! - Bosch - BMW

Brand New Alternator, Not a reman! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3647573
Mfg#:
12317501690
In Stock
$526.99

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

$415.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Aluminum Radiator

ES#2764251 - MMRADE3692 - Performance Aluminum Radiator - Upgrade your cooling - lifetime warranty! - Mishimoto - BMW

Upgrade your cooling - lifetime warranty!

Brand:
Mishimoto - Corporate Logo
ES#:
2764251
Mfg#:
MMRADE3692
In Stock
$360.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

M52TU/M54 Heavy-Duty Expansion Tank With Mechanical Thermostat Conversion Kit & Silicone Radiator Hoses

ES#4876697 - 008363LA02EB1KT - M52TU/M54 Heavy-Duty Expansion Tank With Mechanical Thermostat Conversion Kit & Silicone Radiator Hoses - The ULTIMATE cooling upgrade for your BMW! Experience increased cooling system capability and durability. - Enthusiast Bundles - BMW

The ULTIMATE cooling upgrade for your BMW! Experience increased cooling system capability and durability. Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876697
Mfg#:
008363LA02EB1KT
Ships on Oct 9, 2026
ON SALE! SAVE 24%
$1055.95

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

$799.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount - 75A Durometer (Priced Each)

ES#4335401 - 11812283798 - Engine Mount - 75A Durometer (Priced Each) - Keep your engine securely mounted with our solid, non-fluid filled mount. Also available as a pair (ES4375397) - ECS - BMW

Keep your engine securely mounted with our solid, non-fluid filled mount. Also available as a pair (ES4375397) 10X Entries For Our 25th Anniversary Sweepstakes!

Harder durometer mount from the M3 for improved performance.

Brand:
ECS - Corporate Logo
ES#:
4335401
Mfg#:
11812283798
Ships on Sep 1, 2026
Auto Notify
ON SALE! SAVE 25%
$98.99

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

$74.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Platinum+4 Spark Plug - Priced Each (FGR7DQP)

ES#240577 - FGR7DQP - Platinum+4 Spark Plug - Priced Each (FGR7DQP) - FGR 7 DQP or 12120037607 - Bosch - Audi BMW

FGR 7 DQP or 12120037607 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
240577
Mfg#:
FGR7DQP
In Stock
$9.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dual Valve Spring Upgrade Kit

ES#4758782 - SPRKH1000DBMST - Dual Valve Spring Upgrade Kit - Eliminate valve-float at high RPMs - 80lbs Seat Pressure at 35.70mm - Featuring steel retainers - Supertech - BMW

Eliminate valve-float at high RPMs - 80lbs Seat Pressure at 35.70mm - Featuring steel retainers

Brand:
Supertech - Corporate Logo
ES#:
4758782
Mfg#:
SPRKH1000DBMST
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.

$1042.99

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

$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Puller Fan Assembly

ES#4818569 - 17117561757 - Auxiliary Puller Fan Assembly - Cooling fan mounted behind the radiator - Bremmen Parts - BMW

Cooling fan mounted behind the radiator 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818569
Mfg#:
17117561757
In Stock
ON SALE! SAVE 15%
$194.99

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

$165.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold Gasket Set

ES#2608158 - 11611436631 - Intake Manifold Gasket Set - Contains both gaskets needed - Elring - BMW
ECS Tuning recommends this product.

Contains both gaskets needed 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2608158
Mfg#:
11611436631
In Stock
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Booster

ES#4624166 - D440-1700 - Throttle Booster - Wireless controlled unit that allows adjustable throttle response control - Dinan - BMW MINI

Wireless controlled unit that allows adjustable throttle response control Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
4624166
Mfg#:
D440-1700
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.

$325.99

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

$288.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Assembly

ES#2535732 - 16146766942 - Fuel Pump Assembly - Located in the fuel tank-includes fuel level sending unit - URO - BMW

Located in the fuel tank-includes fuel level sending unit 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535732
Mfg#:
16146766942
In Stock
$115.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#3691255 - 13621432356 - Mass Air Flow Sensor (MAF) - Complete with housing. - Hella - BMW

Complete with housing.

Brand:
Hella - Corporate Logo
ES#:
3691255
Mfg#:
13621432356
Ships on Aug 17, 2026
Auto Notify
$104.99 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 ECS Tuning is part of Enthusiast Auto Holdings