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BMW E83 X3 M54 2.5L

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BMW E83 X3 M54 2.5L Performance Engine Internals

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King Performance BMW Rod Bearings - Std.

ES#4757010 - CR6640SM - King Performance BMW Rod Bearings - Std. - King Rod Bearings Std. Size - King - BMW

King Rod Bearings Std. Size

Brand:
King - Corporate Logo
ES#:
4757010
Mfg#:
CR6640SM
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.

$207.99

This product was last offered at the strikethrough price on
09-22-2026

$179.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime 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

Camshaft Alignment Tool Set

ES#2778117 - 003304SCH01A - Camshaft Alignment Tool Set - Locks your Camshaft in place, making performing VANOS or cylinder head work more convenient - Schwaben - BMW
ECS Tuning recommends this product.

Locks your Camshaft in place, making performing VANOS or cylinder head work more convenient 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
2778117
Mfg#:
003304SCH01A
In Stock
ON SALE! SAVE 10%
$112.99

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

$101.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

King Performance BMW S54 Main Bearings - Std.

ES#4756551 - MB7039AM - King Performance BMW S54 Main Bearings - Std. - Standard Size - King - BMW

Standard Size

Brand:
King - Corporate Logo
ES#:
4756551
Mfg#:
MB7039AM
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.

$207.00

This product was last offered at the strikethrough price on
09-22-2026

$179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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
13% off MSRP

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

$236.99

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

$205.99 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

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

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 - complete

ES#2918698 - 11127514540-3 - Cylinder Head - complete - Complete cylinder head with guides, seats, valves, springs, and all neccesary hardware for installation - AMC - BMW

Complete cylinder head with guides, seats, valves, springs, and all neccesary hardware for installation Includes all neccesary hardware for installation

Brand:
AMC - Corporate Logo
ES#:
2918698
Mfg#:
11127514540-3
Ships on Oct 15, 2026
$1562.99 USD

Performance Rod Bearing Set - Standard Set

ES#4364526 - CR6640XP - Performance Rod Bearing Set - Standard Set - Upgrade your Rod Bearings to a performance oriented option! - King - BMW

Upgrade your Rod Bearings to a performance oriented option!

Brand:
King - Corporate Logo
ES#:
4364526
Mfg#:
CR6640XP
In Stock at Vendor
17% off MSRP

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

$179.99

This product was last offered at the strikethrough price on
05-21-2026

$148.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Main Bearing Set - M54

ES#4758963 - 5150-HPMBS-M54 - Performance Main Bearing Set - M54 - Performance Coated Main Bearing Set for the M54 Engine - Std. Size - 5150 Autosport - BMW

Performance Coated Main Bearing Set for the M54 Engine - Std. Size

Brand:
5150 Autosport - Corporate Logo
ES#:
4758963
Mfg#:
5150-HPMBS-M54
Ships in 4 Business Days
$342.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Rod Bearing Set - M54

ES#4758964 - 5150-HPRBS-M54 - Performance Rod Bearing Set - M54 - Performance Coated Rod Bearing Set for the M54 Engine - Std. Size - 5150 Autosport - BMW

Performance Coated Rod Bearing Set for the M54 Engine - Std. Size

Brand:
5150 Autosport - Corporate Logo
ES#:
4758964
Mfg#:
5150-HPRBS-M54
Ships in 4 Business Days
$251.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

6mm Single Groove Valve Keeper - Set Of 24

ES#4716124 - KPR-6S-7-24 - 6mm Single Groove Valve Keeper - Set Of 24 - 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#:
4716124
Mfg#:
KPR-6S-7-24
Ships in 6 Business Days
$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supertech BMW S52 Steel Spring Retainer - Set Of 24

ES#4675741 - RET-HBK-ST-24 - Supertech BMW S52 Steel Spring Retainer - Set Of 24 - Rev higher and drive faster with confidence. - Supertech - BMW

Rev higher and drive faster with confidence.

Brand:
Supertech - Corporate Logo
ES#:
4675741
Mfg#:
RET-HBK-ST-24
In Stock at Vendor
20% off MSRP

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

$352.99

This product was last offered at the strikethrough price on
09-22-2026

$281.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

King Performance BMW S54 Main Bearings - .25 Oversize

ES#4756556 - MB7039AM0.25 - King Performance BMW S54 Main Bearings - .25 Oversize - .25+ Oversize - King - BMW

.25+ Oversize

Brand:
King - Corporate Logo
ES#:
4756556
Mfg#:
MB7039AM0.25
Ships in 7 Business Days
13% off MSRP

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

$207.00

This product was last offered at the strikethrough price on
09-22-2026

$179.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Internals

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