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BMW E46 323Ci M52 2.5L

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BMW E46 323Ci M52 2.5L Engine Mechanical Parts

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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! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Cometic - Corporate Logo
ES#:
3177687
Mfg#:
C4328-070
Ships on Nov 12, 2026
$245.99 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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845662
Mfg#:
M5X-WPC-MB
In Stock
ON SALE! SAVE 18%
$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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Supertech - Corporate Logo
ES#:
2598482
Mfg#:
KPR-6S-7
Ships in 2 Business Days
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 10 Row

ES#2764288 - MM0CU - Universal Oil Cooler - 10 Row - Upgrading cooling for your engine oil - Mishimoto - Audi BMW Volkswagen MINI

Upgrading cooling for your engine oil Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764288
Mfg#:
MM0CU
In Stock
$410.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMW S52/M52 6 Cyl. 256-Degree - Exhaust Camshaft

ES#3246308 - 0261A1561-02 - BMW S52/M52 6 Cyl. 256-Degree - Exhaust Camshaft - Street and Track Exhaust Camshaft Setup - Schrick - BMW

Street and Track Exhaust Camshaft Setup Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Schrick - Corporate Logo
ES#:
3246308
Mfg#:
0261A1561-02
Special Order: No Guaranteed ETA
$1619.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head - complete

ES#2918698 - 11127514540-3 - Cylinder Head - complete - Complete cylinder head with guides, seats, valves, springs, and all neccesary hardware for installation - AMC - BMW

Complete cylinder head with guides, seats, valves, springs, and all neccesary hardware for installation Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Includes all neccesary hardware for installation

Brand:
AMC - Corporate Logo
ES#:
2918698
Mfg#:
11127514540-3
Ships on Nov 18, 2026
$1562.99 USD

Front Main Crankshaft Seal

ES#2598716 - 11142249532 - Front Main Crankshaft Seal - Replace your leaking crankshaft seal - Elring - BMW

Replace your leaking crankshaft seal 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2598716
Mfg#:
11142249532
In Stock
$12.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Bolt Set

ES#2697660 - 11121740065 - Cylinder Head Bolt Set - Includes all head bolts in one cylinder head - Elring - BMW

Includes all head bolts in one cylinder head 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2697660
Mfg#:
11121740065
In Stock
$43.56

This product was last offered at the strikethrough price on
08-12-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW M54 Upgrade Head Stud Set - Burnished

ES#4883292 - P102031410 - BMW M54 Upgrade Head Stud Set - Burnished - Wagner Tuning offers these to support big power gains and keep your M54 engine running well. - Wagner Tuning - BMW

Wagner Tuning offers these to support big power gains and keep your M54 engine running well. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Wagner Tuning - Corporate Logo
ES#:
4883292
Mfg#:
P102031410
Ships on Jan 11, 2027
$499.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Drain Plug

ES#19023 - 11137535106 - Engine Oil Drain Plug - Used for an oil change or damaged hex head - Genuine BMW - BMW MINI

Used for an oil change or damaged hex head Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
19023
Mfg#:
11137535106
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.

$8.27

This product was last offered at the strikethrough price on
10-26-2026

$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VANOS Oil Feed Line

ES#2803369 - 11361705532 - VANOS Oil Feed Line - Supplies oil to the VANOS cam unit. Includes sealing washers. Made in Germany! - Rein - BMW

Supplies oil to the VANOS cam unit. Includes sealing washers. Made in Germany! 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803369
Mfg#:
11361705532
Ships on Nov 12, 2026
$61.99

This product was last offered at the strikethrough price on
06-04-2026

$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Piston Ring Set - Priced Each

ES#4147005 - 11251437077 - Piston Ring Set - Priced Each - Standard bore replacement piston rings - Mahle - BMW

Standard bore replacement piston rings Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Mahle - Corporate Logo
ES#:
4147005
Mfg#:
11251437077
In Stock
$38.99

This product was last offered at the strikethrough price on
10-26-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Schrick Exhaust Camshaft 256 Degree/10.6mm Lift

ES#3024584 - 261.A1.561-02.C - Schrick Exhaust Camshaft 256 Degree/10.6mm Lift - Schrick - BMW

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Schrick - Corporate Logo
ES#:
3024584
Mfg#:
261.A1.561-02.C
In Stock
$1401.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMW S52/M52 6 Cyl. 264-Degree - Intake Camshaft

ES#3024586 - 261.E1.641-V2C - BMW S52/M52 6 Cyl. 264-Degree - Intake Camshaft - Street and Track Intake Camshaft Setup - Schrick - BMW

Street and Track Intake Camshaft Setup Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Schrick - Corporate Logo
ES#:
3024586
Mfg#:
261.E1.641-V2C
Ships on Dec 18, 2026
$1398.99 USD
Free Shipping
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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Sealing washer for oil line

Brand:
Victor Reinz - Corporate Logo
ES#:
2580798
Mfg#:
32411093596
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

13 Piece 3/8" Drive Triple Square Driver Set

ES#4829902 - XZN100A - 13 Piece 3/8" Drive Triple Square Driver Set - Make sure you have the essential tools for a German vehicle, like these triple square drivers. - VIM Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Make sure you have the essential tools for a German vehicle, like these triple square drivers. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
VIM Tools - Corporate Logo
ES#:
4829902
Mfg#:
XZN100A
In Stock
$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Mechanical Parts

Whether you're repairing or upgrading your engine, we have engine parts from the most respected suppliers in the business. Purchase engine parts like connecting rods, valves, camshafts, cylinder heads, engine blocks, pistons, and more from ECS Tuning for your next engine repair or overhaul.

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

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