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BMW E90 Performance Engine Internals

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Engine Main Bearing Kit - 0.50mm Oversized

ES#4759947 - MB5803CA0.5 - Engine Main Bearing Kit - 0.50mm Oversized - Replace those Worn Out Main Bearings! Set of 5 - King - BMW

Replace those Worn Out Main Bearings! Set of 5

Brand:
King - Corporate Logo
ES#:
4759947
Mfg#:
MB5803CA0.5
Ships in 4 Business Days
$180.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Silicone Cylinder Head Outlet Adapter - Black

Provides a permanent "install and forget" upgrade that maintains the factory-style fitment while offering the structural integrity of a racing component. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
5446496
Mfg#:
VTTN54CLADOEM
Ships on Aug 4, 2026
$19.99 USD
Free Shipping

Cylinder head

ES#253953 - 11127591617 - Cylinder head - Complete with valves and cams - Genuine BMW - BMW

Complete with valves and cams

Brand:
Genuine BMW - Corporate Logo
ES#:
253953
Mfg#:
11127591617
Ships in 5 Business Days
3% off MSRP

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

$9052.99

This product was last offered at the strikethrough price on
07-20-2026

$8766.99 USD

ACL Engine Main Bearings - 0.25 Oversized

Designed with performance and longevity in mind

Brand:
ACL - Corporate Logo
ES#:
4839654
Mfg#:
5M1581H-.25
Special Order: No Guaranteed ETA
$209.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ACL Engine Main Bearings - 0.50 Oversized

Designed with performance and longevity in mind

Brand:
ACL - Corporate Logo
ES#:
4839655
Mfg#:
5M1581H-.50
Special Order: No Guaranteed ETA
$209.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Scratch and Dent Item

Spline Lock Crank Hub Solution - Hub Only - N55 S55 *Scratch And Dent*

A truly remarkable solution from Vargas that will eliminate the risk of a spun crank hub. ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5481936
Mfg#:
VTTN55CRANKHUB
Back Ordered
$818.99 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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