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BMW 328i Performance Engine Internals

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WPC-Treated Race Series Rod Bearing Set - N52/N54/N55/S55

ES#4845639 - N5X-WPC-RB - WPC-Treated Race Series Rod Bearing Set - N52/N54/N55/S55 - 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

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845639
Mfg#:
N5X-WPC-RB
In Stock
ON SALE! SAVE 20%
$519.99

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

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

Complete Cylinder Head Basic Replacement Kit (Dry)

10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4766708
Mfg#:
11121703637-DKT
Back Ordered
Auto Notify
$2834.46

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

$2720.39 USD
This product is lifetime replacement eligible Partial Replacement

Valvetronic Camshaft Adjuster replacement kit

ES#4056599 - 11377548388KT - Valvetronic Camshaft Adjuster replacement kit - Includes new Valvetronic motor, gasket, and hardware - Assembled By ECS - BMW

Includes new Valvetronic motor, gasket, and hardware 10X Entries Into Our F80 M3 Sweepstakes
For vehicles equipped with a plastic valve cover.

Brand:
Assembled By ECS - Corporate Logo
ES#:
4056599
Mfg#:
11377548388KT
In Stock
ON SALE! SAVE 19%
$220.99

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

$179.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M52 / S52 Cylinder Head - Complete

ES#2918694 - 11121703637-1 - M52 / S52 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

Brand:
AMC - Corporate Logo
ES#:
2918694
Mfg#:
11121703637-1
Ships on Oct 2, 2026
$2315.99 USD
Free Shipping

Engine Main Bearing Kit - Standard Size

ES#3970225 - MB7776SI - Engine Main Bearing Kit - Standard Size - Replace those Worn Out Main Bearings! - King - BMW

Replace those Worn Out Main Bearings! Standard Size

Brand:
King - Corporate Logo
ES#:
3970225
Mfg#:
MB7776SI
In Stock
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drilled Oil Pump Nut

ES#3023516 - OILPUMPNUT - Drilled Oil Pump Nut - Safety-wired nut to alleviate the nut backing off, leaving you with no oil pressure - Turner Motorsport - BMW

Safety-wired nut to alleviate the nut backing off, leaving you with no oil pressure 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
3023516
Mfg#:
OILPUMPNUT
In Stock
ON SALE! SAVE 15%
$30.99

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

$26.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N20/N26 High Performance Rod Bearing Set - Standard

ES#4845490 - 4B1584H-STD - N20/N26 High Performance Rod Bearing Set - Standard - Includes upper and lower bearing shells for a complete rod bearing replacement. - ACL - BMW

Includes upper and lower bearing shells for a complete rod bearing replacement.

Brand:
ACL - Corporate Logo
ES#:
4845490
Mfg#:
4B1584H-STD
In Stock
$182.99

This product was last offered at the strikethrough price on
05-04-2026

$124.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Cylinder Head Ultimate Replacement Kit

ES#2918774 - 11121703637-2KT - Complete Cylinder Head Ultimate Replacement Kit - Everything you will need to do a head service on your BMW, plus a new thermostat, thermostat housing, a magnetic drain plug, a camshaft position sensor, spark plugs, and ignition coils - Assembled By ECS - BMW

Everything you will need to do a head service on your BMW, plus a new thermostat, thermostat housing, a magnetic drain plug, a camshaft position sensor, spark plugs, and ignition coils 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2918774
Mfg#:
11121703637-2KT
Ships on Oct 2, 2026
ON SALE!
$3910.92

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

$3804.82 USD
This product is lifetime replacement eligible Partial Replacement

WPC-Treated Race Series Rod Bearing Set - M20/M50/M52/M54/S50/S52

ES#4845637 - M5X-WPC-RB - WPC-Treated Race Series Rod Bearing Set - M20/M50/M52/M54/S50/S52 - 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

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845637
Mfg#:
M5X-WPC-RB
In Stock
ON SALE! SAVE 25%
$475.99

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

$356.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Schrick Camshaft Set - 252/244 Degree

ES#3027974 - TMS21521 - Schrick Camshaft Set - 252/244 Degree - Perfect for street applications - Schrick - BMW

Perfect for street applications

Brand:
Schrick - Corporate Logo
ES#:
3027974
Mfg#:
TMS21521
Ships on Dec 22, 2026
$3470.66 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport WPC-Treated Race Series Main Bearing Set - N52 N54 N55 S55

ES#4845670 - N5X-WPC-MB - Turner Motorsport WPC-Treated Race Series Main Bearing Set - N52 N54 N55 S55 - The strongest & smoothest bearings for your BMW - featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and added durability. - Turner Motorsport - BMW

The strongest & smoothest bearings for your BMW - featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and added durability. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845670
Mfg#:
N5X-WPC-MB
In Stock
Limited Qty Sale
$607.99

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

$487.99 USD
Free Shipping
on orders $49 and up

More About Performance Engine Internals

Building your dream engine? We have all the bearings, pistons, connecting rods, timing components, and more to help make that dream a reality.

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