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BMW Performance Engine Internals

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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
13% off MSRP

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

$135.99

This product was last offered at the strikethrough price on
09-25-2026

$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MMX Crank Hub Kit

ES#4429936 - MMR20-1003FK - MMX Crank Hub Kit - Install MMX's One-Piece Crank Hub as a Solution to Hub Slippage! Includes a Capture Plate for Extra Security against parts Loosening. - MMX Performance - BMW

Install MMX's One-Piece Crank Hub as a Solution to Hub Slippage! Includes a Capture Plate for Extra Security against parts Loosening.

Brand:
MMX Performance - Corporate Logo
ES#:
4429936
Mfg#:
MMR20-1003FK
Ships in 2 Business Days
$849.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N55/S55 37cc Platinum Series Dish Piston Set

ES#4685603 - 647000C-6 - N55/S55 37cc Platinum Series Dish Piston Set - Upgrade to Manley's Platinum Series Pistons for increased performance! Stock 10.2:1 Compression Ratio - MANLEY - BMW

Upgrade to Manley's Platinum Series Pistons for increased performance! Stock 10.2:1 Compression Ratio Std. Size

Brand:
MANLEY - Corporate Logo
ES#:
4685603
Mfg#:
647000C-6
In Stock at Vendor
7% off MSRP

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

$1208.99

This product was last offered at the strikethrough price on
09-25-2026

$1121.99 USD
Free Shipping
on orders $49 and up

Spline Lock Crank Hub Solution With Complete Package - N54

ES#4696162 - VTT-CRANKHUB-3 - Spline Lock Crank Hub Solution With Complete Package - N54 - 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 Into Our F80 M3 Sweepstakes

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4696162
Mfg#:
VTT-CRANKHUB-3
Ships in 9 Business Days
$939.99 USD
Free Shipping

Engine Main Bearing Kit - Std. Size

ES#4375434 - MB5801SM - Engine Main Bearing Kit - Std. Size - Replace those Worn Out Main Bearings! - King - BMW

Replace those Worn Out Main Bearings!

Brand:
King - Corporate Logo
ES#:
4375434
Mfg#:
MB5801SM
In Stock
13% off MSRP

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

$326.99

This product was last offered at the strikethrough price on
09-08-2026

$283.99 USD
Free Shipping
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 3 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 Oct 26, 2026
$2315.99 USD
Free Shipping

ARP Cylinder Head Stud Kit - Custom Age 625+

ES#4752955 - B58-CA-203-4706 - ARP Cylinder Head Stud Kit - Custom Age 625+ - Upgrade to ARP high tensile strength Custom Age 625+ Head Studs - ARP - BMW

Upgrade to ARP high tensile strength Custom Age 625+ Head Studs

Brand:
ARP - Corporate Logo
ES#:
4752955
Mfg#:
B58-CA-203-4706
Back Ordered
20% off MSRP

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

$1027.99

This product was last offered at the strikethrough price on
09-25-2026

$822.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Manley Performance TurboTuff Rods - N54

ES#4759320 - 14448-6 - Manley Performance TurboTuff Rods - N54 - Forged from 4340 aircraft-quality alloy for maximum performance - MANLEY - BMW

Forged from 4340 aircraft-quality alloy for maximum performance

Brand:
MANLEY - Corporate Logo
ES#:
4759320
Mfg#:
14448-6
In Stock at Vendor
$1641.99 USD
Free Shipping

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

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 3 Business Days
$1049.99 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 at Vendor
$182.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54B30 32cc Platinum Series Dish Piston Set - 84.5mm Bore

ES#4685590 - 646005C-6 - N54B30 32cc Platinum Series Dish Piston Set - 84.5mm Bore - Upgrade to Manley's Platinum Series Pistons for increased performance! Stock 10.2:1 Compression Ratio - MANLEY - BMW

Upgrade to Manley's Platinum Series Pistons for increased performance! Stock 10.2:1 Compression Ratio .50mm Oversize

Brand:
MANLEY - Corporate Logo
ES#:
4685590
Mfg#:
646005C-6
In Stock at Vendor
8% off MSRP

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

$1208.99

This product was last offered at the strikethrough price on
09-25-2026

$1111.99 USD
Free Shipping
on orders $49 and up

Connecting Rod Bearing Set - Standard Size

ES#4056399 - CR8050SV - Connecting Rod Bearing Set - Standard Size - Replace those Worn Out Rod Bearings! - King - BMW

Replace those Worn Out Rod Bearings! Standard Size

Brand:
King - Corporate Logo
ES#:
4056399
Mfg#:
CR8050SV
In Stock
13% off MSRP

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

$375.99

This product was last offered at the strikethrough price on
09-25-2026

$325.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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.

Other BMW Performance Engine Internals

Let us help you find the parts that fit your BMW

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