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BMW M3 Performance Engine Internals

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ARP Head Stud Kit, BMW N55/S55 - Custom Age 625+

ES#4736733 - ARP-HSK-S56-CA - ARP Head Stud Kit, BMW N55/S55 - Custom Age 625+ - Upgrade to 5150's Custom Age 625+ Head Stud Kit Built by ARP! - 5150 Autosport - BMW

Upgrade to 5150's Custom Age 625+ Head Stud Kit Built by ARP!

Brand:
5150 Autosport - Corporate Logo
ES#:
4736733
Mfg#:
ARP-HSK-S56-CA
In Stock
$999.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

One Piece Crank Hub Solution

ES#4000824 - GS55CHV1 - One Piece Crank Hub Solution - Put an end to your S55 crank hub woes once and for all - Gintani - BMW

Put an end to your S55 crank hub woes once and for all

Brand:
Gintani - Corporate Logo
ES#:
4000824
Mfg#:
GS55CHV1
In Stock
$1495.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pro-Series 1500 Turbo Build Kit - BMW S58

ES#4727644 - 5150-TBK-1500-S5 - Pro-Series 1500 Turbo Build Kit - BMW S58 - The Ultimate Solution to Increasing Your S58's Capabilities! - 5150 Autosport - BMW

The Ultimate Solution to Increasing Your S58's Capabilities!

Brand:
5150 Autosport - Corporate Logo
ES#:
4727644
Mfg#:
5150-TBK-1500-S5
Ships in 4 Business Days
$7222.99 USD

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 Aug 17, 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

WPC-Treated Race Series Rod Bearing Set - S65

ES#4845625 - S65-WPC-RB - WPC-Treated Race Series Rod Bearing Set - S65 - 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 For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845625
Mfg#:
S65-WPC-RB
In Stock
ON SALE! SAVE 15%
$564.99

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

$480.24 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 For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3023516
Mfg#:
OILPUMPNUT
Ships on Aug 11, 2026
Auto Notify
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

Supertech Forged Pistons - Set Of 6

ES#4716143 - P6-BMN55-84-T-6 - Supertech Forged Pistons - Set Of 6 - Supertech 84mm 2618 forged pistons - Supertech - BMW

Supertech 84mm 2618 forged pistons

Brand:
Supertech - Corporate Logo
ES#:
4716143
Mfg#:
P6-BMN55-84-T-6
In Stock
Limited Qty Sale
$984.99

This product was last offered at the strikethrough price on
05-20-2026

$904.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SCHRICK CAMSHAFT SET, BMW M50/M52/S50/S52 276/270

ES#4447289 - SCH-CSS-S52-276/ - SCHRICK CAMSHAFT SET, BMW M50/M52/S50/S52 276/270 - A more aggressive option for street use and an upgrade from stock Recommended to Use With Vanos Limiters and Upgraded Valve Springs - VAC Motorsports - BMW

A more aggressive option for street use and an upgrade from stock Recommended to Use With Vanos Limiters and Upgraded Valve Springs

Brand:
VAC Motorsports - Corporate Logo
ES#:
4447289
Mfg#:
SCH-CSS-S52-276/
Ships in 3 Business Days
$2640.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ferrea High Performance Valve Spring Kit, BMW N55/S55

ES#4736723 - FER-HPVSK-N55 - Ferrea High Performance Valve Spring Kit, BMW N55/S55 - Pair Your High Performance Valves with a Set of Upgraded Springs and Retainers! - 5150 Autosport - BMW

Pair Your High Performance Valves with a Set of Upgraded Springs and Retainers!

Brand:
5150 Autosport - Corporate Logo
ES#:
4736723
Mfg#:
FER-HPVSK-N55
Ships in 4 Business Days
$1049.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MMX One-Piece Crank Hub

ES#4429934 - MMR20-1001 - MMX One-Piece Crank Hub - Install MMX's One-Piece Crank Hub as a Solution to Hub Slippage! - MMX Performance - BMW

Install MMX's One-Piece Crank Hub as a Solution to Hub Slippage!

Brand:
MMX Performance - Corporate Logo
ES#:
4429934
Mfg#:
MMR20-1001
Ships in 2 Business Days
$730.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spline Lock Crank Hub Solution W/ Complete Package - N55 S55

ES#4696168 - VTT-CRANKHUB-6 - Spline Lock Crank Hub Solution W/ Complete Package - N55 S55 - A truly remarkable solution from Vargas that will eliminate the risk of a spun crank hub. Spline Lock Crank Hub with Crank Bolt Capture, OEM bolt, OEM Oil pump sprocket, OEM oil sprocket retainer included. - Vargas Turbo Technologies - BMW

A truly remarkable solution from Vargas that will eliminate the risk of a spun crank hub. Spline Lock Crank Hub with Crank Bolt Capture, OEM bolt, OEM Oil pump sprocket, OEM oil sprocket retainer included. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4696168
Mfg#:
VTT-CRANKHUB-6
Ships in 2 Business Days
$986.99

This product was last offered at the strikethrough price on
06-28-2026

$939.99 USD
Free Shipping

CP-Carrillo Connecting Rod Set - S54 Pro-Xtreme

ES#4759052 - CAR-CRS-S54-XT - CP-Carrillo Connecting Rod Set - S54 Pro-Xtreme - Upgrade to CP-Carrillo Connecting Rods in Your S54-Powered BMW - 5150 Autosport - BMW

Upgrade to CP-Carrillo Connecting Rods in Your S54-Powered BMW

Brand:
5150 Autosport - Corporate Logo
ES#:
4759052
Mfg#:
CAR-CRS-S54-XT
Back Ordered
$2299.99 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.

Let us help you find the parts that fit your BMW

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