Standard Size
Standard Size
Replace those Worn Out Main Bearings!
Standard Size
The strongest & smoothest bearings for your BMW - featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and added durability.
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
King BMW (Size STD) Coated Performance Main Bearing Set for B58B30A
Replace those Worn Out Main Bearings!
Std. Size
Replace those Worn Out Main Bearings!
+0.25mm
Red 50mm. Standard bore
This product was last offered at the strikethrough price on
08-10-2026
Stronger & smoother, with less friction!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
King BMW (Size STDX) Coated Performance Main Bearing Set for B58B30A
Replace those Worn Out Main Bearings!
+0.25mm
Performance Coated Main Bearing Set for the N55 Engine - Std. Size
Performance Coated Main Bearing Set for the N55 Engine - Std. Size
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
09-05-2026
Violet, 50.00mm
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
09-05-2026
Includes upper and lower bearing shells for a complete main bearing replacement.
Yellow. 56mm Standard bore
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
09-05-2026