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BMW M3 Performance Engine Internals

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Performance Main Bearing Set

ES#4364525 - MB7039XP - Performance Main Bearing Set - Performance engine bearing kit - King - BMW

Performance engine bearing kit

Brand:
King - Corporate Logo
ES#:
4364525
Mfg#:
MB7039XP
Back Ordered
Auto Notify
$309.99

This product was last offered at the strikethrough price on
07-08-2026

$203.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CP-Carrillo Connecting Rod Set - S58 Pro-Xtreme

ES#4727617 - CAR-CRS-S58-XT - CP-Carrillo Connecting Rod Set - S58 Pro-Xtreme - Non-Tapered (Only Compatible with Aftermarket Pistons) - 5150 Autosport - BMW

Non-Tapered (Only Compatible with Aftermarket Pistons)

Brand:
5150 Autosport - Corporate Logo
ES#:
4727617
Mfg#:
CAR-CRS-S58-XT
Ships in 3 Business Days
$2299.99 USD
Free Shipping
on orders $49 and up

N55/S55 37cc Platinum Series Dish Piston Set - 84.5mm Bore

ES#4685605 - 647005C-6 - N55/S55 37cc 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#:
4685605
Mfg#:
647005C-6
In Stock
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
09-06-2026

$1111.99 USD
Free Shipping
on orders $49 and up

CP-Carrillo Connecting Rod Set - S54

ES#4758972 - CAR-S54-SCR - CP-Carrillo Connecting Rod Set - S54 - Upgrade to CP-Carrillo's Forged Connecting Rods! - 5150 Autosport - BMW

Upgrade to CP-Carrillo's Forged Connecting Rods! Upgrade Your Connecting Rods in Your High Horsepower S54!

Brand:
5150 Autosport - Corporate Logo
ES#:
4758972
Mfg#:
CAR-S54-SCR
Ships in 3 Business Days
Starting at $1849.99 USD
Customize
Free Shipping
on orders $49 and up

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

Brand:
5150 Autosport - Corporate Logo
ES#:
4759044
Mfg#:
CAR-CRS-S52-XT
Ships in 3 Business Days
$2099.99 USD
Free Shipping
on orders $49 and up

High Performance Rod Bearing Set Std. - S58

ES#4727618 - 5150-HPRBS-S58 - High Performance Rod Bearing Set Std. - S58 - Upgrade to 5150's High Performance Connecting Rod Bearings! - 5150 Autosport - BMW

Upgrade to 5150's High Performance Connecting Rod Bearings!

Brand:
5150 Autosport - Corporate Logo
ES#:
4727618
Mfg#:
5150-HPRBS-S58
Ships in 3 Business Days
$399.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Main Bearing Kit - Std. Size

ES#4686197 - MB5803CA - Engine Main Bearing Kit - Std. Size - Replace those Worn Out Main Bearings! Set of 5 - King - BMW

Replace those Worn Out Main Bearings! Set of 5 Std. Size

Brand:
King - Corporate Logo
ES#:
4686197
Mfg#:
MB5803CA
Ships in 9 Business Days
$312.99 USD
Free Shipping
on orders $49 and up

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

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

Brand:
Supertech - Corporate Logo
ES#:
2598482
Mfg#:
KPR-6S-7
In Stock
$3.99

This product was last offered at the strikethrough price on
04-13-2026

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

Cylinder Head - Bare

ES#2918693 - 11121703637 - Cylinder Head - Bare - Bare head with guides and seats only - AMC - BMW

Bare head with guides and seats only

Brand:
AMC - Corporate Logo
ES#:
2918693
Mfg#:
11121703637
Special Order: No Guaranteed ETA
$1631.99 USD
Free Shipping

Kelford Camshaft Set - S58

Unleash Your S58's Power with Kelford Cams

Brand:
Kelford Cams - Corporate Logo
ES#:
4753443
Mfg#:
KEL-358-S58
Ships in 3 Business Days
Starting at $1399.99 USD
Customize

Spline Lock Crank Hub Solution - Hub Only - N55 S55

ES#4389737 - VTT-N55-CRANKHUB - Spline Lock Crank Hub Solution - Hub Only - N55 S55 - A truly remarkable solution from Vargas that will eliminate the risk of a spun crank hub. - Vargas Turbo Technologies - BMW

A truly remarkable solution from Vargas that will eliminate the risk of a spun crank hub. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4389737
Mfg#:
VTT-N55-CRANKHUB
Ships in 10 Business Days
ON SALE! SAVE 15%
$818.99

This product was last offered at the strikethrough price on
09-03-2026

$696.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Forged Piston Set - S50B30

ES#4176985 - 361346 - Forged Piston Set - S50B30 - Includes rings, wire locks, and 22mm wrist pins - 86.25mm bore, 9:1 CR - JE Piston - BMW

Includes rings, wire locks, and 22mm wrist pins - 86.25mm bore, 9:1 CR

Brand:
JE Piston - Corporate Logo
ES#:
4176985
Mfg#:
361346
Back Ordered
$1349.99 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.

Let us help you find the parts that fit your BMW

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