The S38B36 and B38 engine adjust the tension on the secondary air injection pump and AC belt by this toothed plate. Well, BMW discontinued this part, so we designed and manufactured this replacement. Manufactured from 1018 steel, yellow zinc plated, and to the same dimensions as OEM, this is a perfect replacement for your worn adjusting bar.
The S38B36 and B38 engine adjust the tension on the secondary air injection pump and AC belt by this toothed plate. Well, BMW discontinued this part, so we designed and manufactured this replacement. Manufactured from 1018 steel, yellow zinc plated, and to the same dimensions as OEM, this is a perfect replacement for your worn adjusting bar.
Additional Information
OEM Part Number 11721312815
Manufactured from 1018 steel in the USA
ASTM Type VI SC4 Yellow Zinc Plated
