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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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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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
2598482
Mfg#:
KPR-6S-7
In Stock
$5.99

This product was last offered at the strikethrough price on
03-04-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wiseco BMW Piston set

ES#4159570 - ke119m845 - Wiseco BMW Piston set - 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wiseco - Corporate Logo
ES#:
4159570
Mfg#:
KE119M845
In Stock at Vendor
$1157.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor O-Ring

ES#3478331 - 12611744292 - Oil Level Sensor O-Ring - Used to seal sensor to the oil pan - Elring - BMW

Used to seal sensor to the oil pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3478331
Mfg#:
12611744292
In Stock at Vendor
$11.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Bolt

ES#2641302 - 11241739729 - Connecting Rod Bolt - The stretch bolt design means these need replaced once removed - Genuine BMW - BMW

The stretch bolt design means these need replaced once removed affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2641302
Mfg#:
11241739729
In Stock
$7.98 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Cometic - Corporate Logo
ES#:
3177687
Mfg#:
C4328-070
Ships in 7 Business Days
$245.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Bearing Set

ES#2996646 - 11241284849 - Connecting Rod Bearing Set - Standard bore - 45mm - Kolbenschmidt - BMW
ECS Tuning recommends this product.

Standard bore - 45mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Kolbenschmidt - Corporate Logo
ES#:
2996646
Mfg#:
11241284849
In Stock
$77.11

This product was last offered at the strikethrough price on
02-20-2026

$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CP-Carrillo Connecting Rod Set M5X Pro-Xtreme

ES#4759044 - CAR-CRS-S52-XT - CP-Carrillo Connecting Rod Set M5X Pro-Xtreme - Upgrade Your M5x Engine With CP-Carrillo Rods Today! 135mm Rods - 5150 Autosport - BMW

Upgrade Your M5x Engine With CP-Carrillo Rods Today! 135mm Rods affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4759044
Mfg#:
CAR-CRS-S52-XT
Ships in 4 Business Days
$2099.99 USD
Free Shipping
on orders $49 and up

Billet Aluminum Oil Dipstick - Black

ES#2973125 - 009424ECS01-02 - Billet Aluminum Oil Dipstick - Black - A beautiful addition and durable upgrade for your engine - ECS - BMW

A beautiful addition and durable upgrade for your engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2973125
Mfg#:
009424ECS01-02
In Stock
ON SALE! SAVE 30%
$98.99

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

$69.29 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803369
Mfg#:
11361705532
Ships in 7 Business Days
Auto Notify
$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

Valve Cover replacement Kit

ES#3136973 - 11121432928KT - Valve Cover replacement Kit - Includes valve cover, valve cover gaskets, and nut gaskets - Assembled By ECS - BMW

Includes valve cover, valve cover gaskets, and nut gaskets affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3136973
Mfg#:
11121432928KT
In Stock
ON SALE! SAVE 23%
$285.99

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

$219.63 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VANOS Oil Feed Line

ES#23138 - 11361705532 - VANOS Oil Feed Line - Supplies oil to the VANOS cam unit - Genuine BMW - BMW

Supplies oil to the VANOS cam unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
23138
Mfg#:
11361705532
In Stock
$81.12 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Gasket

ES#2574626 - 11127501304 - Cylinder Head Gasket - Just the head gasket - Elring - BMW

Just the head gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2574626
Mfg#:
11127501304
In Stock
$85.05

This product was last offered at the strikethrough price on
04-01-2026

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Seal Washer - Priced Each

ES#1876905 - 11121437395 - Valve Cover Seal Washer - Priced Each - Rubber sealing washer underneath valve cover securing nut - Genuine BMW - BMW

Rubber sealing washer underneath valve cover securing nut affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
1876905
Mfg#:
11121437395
In Stock
$2.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor O-Ring

ES#31851 - 12611744292 - Oil Level Sensor O-Ring - Used to seal sensor to the oil pan - Genuine BMW - BMW

Used to seal sensor to the oil pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
31851
Mfg#:
12611744292
In Stock
$9.99

This product was last offered at the strikethrough price on
03-04-2026

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

Main Stud Kit - M50/M52/S50/S52

ES#4758996 - ARP-MSK-M50 - Main Stud Kit - M50/M52/S50/S52 - Prevent Main Cap Walk With ARP's Main Stud Kit for The M5X Engine Platform! - ARP - BMW

Prevent Main Cap Walk With ARP's Main Stud Kit for The M5X Engine Platform! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ARP - Corporate Logo
ES#:
4758996
Mfg#:
ARP-MSK-M50
Back Ordered
Auto Notify
$169.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M52 M54 Cylinder Head - Complete

ES#2918697 - 11127514540-2 - M52 M54 Cylinder Head - Complete - Complete cylinder head with guides, seats, valves, & springs - AMC - BMW
ECS Tuning recommends this product.

Complete cylinder head with guides, seats, valves, & springs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AMC - Corporate Logo
ES#:
2918697
Mfg#:
11127514540-2
Special Order: No Guaranteed ETA
$1864.99 USD

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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