Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle BMW E46 323i M52 2.5L

BMW E46 323i M52 2.5L Engine Parts & Accessories

Sort By
Filter By
Return to Top
ES#2847841 - 12404 -  Euro-Series Engine Oil (5w-40) - 1 Quart - Ideally suited for modern gasoline and diesel engines with multi-valve and turbocharging technology - Redline - Audi BMW Volkswagen

Ideally suited for modern gasoline and diesel engines with multi-valve and turbocharging technology

Brand:
Redline - Corporate Logo
ES#:
2847841
Mfg#:
12404
In Stock
$18.20 USD
Free Shipping
on orders $49 and up
ES#3129598 - 11287838797 - Hydraulic Alternator Belt Tensioner Assembly - Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley - URO - BMW

Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3129598
Mfg#:
11287838797
In Stock
$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4877251 - 11537509227PRM - Thermostat Assembly With Aluminum Housing - Aluminum Housing vs OEM Plastic - includes Thermostat & Gasket - URO Premium - BMW

Aluminum Housing vs OEM Plastic - includes Thermostat & Gasket 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO Premium - Corporate Logo
ES#:
4877251
Mfg#:
11537509227PRM
In Stock
$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4304672 - 11537502525 - Water Pipe - Connects return hose to engine block - Bavarian Autosport - BMW
ECS Tuning recommends this product.

Connects return hose to engine block 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4304672
Mfg#:
11537502525
In Stock
ON SALE!
$40.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
Ships in 2 Business Days
$14.99

This product was last offered at the strikethrough price on
10-31-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2710098 - 11121437395 - Valve Cover Sealing Washer - priced each - Rubber sealing washer underneath valve cover securing nut - URO - BMW

Rubber sealing washer underneath valve cover securing nut 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
12 per valve cover

Brand:
URO - Corporate Logo
ES#:
2710098
Mfg#:
11121437395
In Stock
$1.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4305751 - 11121432928 - Valve Cover - A complete valve cover assembly with gaskets - Bremmen Parts - BMW
ECS Tuning recommends this product.

A complete valve cover assembly with gaskets 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4305751
Mfg#:
11121432928
In Stock
ON SALE!
$208.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5435233 - 30001-10002 - Engine And Transmission Mount Kit  - Keep your engine and transmission securely mounted - Hamburg Tech - BMW

Keep your engine and transmission securely mounted

Brand:
Hamburg Tech - Corporate Logo
ES#:
5435233
Mfg#:
30001-10002
In Stock
$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4304676 - 17111436250 - Expansion Tank Mounting Plate - Mounts to the side of the radiator for retaining the expansion tank - Bavarian Autosport - BMW

Mounts to the side of the radiator for retaining the expansion tank 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with a manual transmission only

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4304676
Mfg#:
17111436250
In Stock
ON SALE!
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4159570 - ke119m845 - Wiseco BMW Piston set - 84.5mm Bore - 2.8L 24V Turbo 84.5mm Bore +.50 Oversized 8.0:1 CR Pistons - Wiseco - BMW

2.8L 24V Turbo 84.5mm Bore +.50 Oversized 8.0:1 CR Pistons

Brand:
Wiseco - Corporate Logo
ES#:
4159570
Mfg#:
KE119M845
In Stock
$1157.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3438875 - 14-010 - Sport Fan Clutch - More efficient cooling! - Active Autowerke - BMW

More efficient cooling!

Brand:
Active Autowerke - Corporate Logo
ES#:
3438875
Mfg#:
14-010
Ships in 1 Business Day
5% off MSRP

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

$259.00

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

$246.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 1-2 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
11-02-2026

$189.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2576279 - 201-5000 - ARP Main Stud Conversion Kit - Build it right the first time, and keep it together longer - ARP - BMW

Build it right the first time, and keep it together longer

Brand:
ARP - Corporate Logo
ES#:
2576279
Mfg#:
201-5000
In Stock
$169.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#25078 - 11537509227 - Thermostat With Housing - A common item to crack causing leaks - Genuine BMW - BMW

A common item to crack causing leaks

Brand:
Genuine BMW - Corporate Logo
ES#:
25078
Mfg#:
11537509227
In Stock
3% off MSRP

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

$174.45

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

$169.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3672423 - 12137571643A - Ignition Coil - Priced Each - Give your engine a new spark. - Bavarian Autosport - BMW MINI

Give your engine a new spark. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
3672423
Mfg#:
12137571643A
In Stock
ON SALE!
$30.39 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