ACL Race Series conrod bearing set for BMW M20/M50/M52/M54 engines is listed as a .025mm oversized option for the 1919cc configuration with 80.0mm bore and 66.0mm stroke. The overview presents these as oversized connecting-rod bearings intended for rebuilds requiring a .025mm increase over standard size, giving engine builders explicit oversize and engine-family context for compatibility checks.
ACL BMW M20/M50/M52/M54 - 1919CC 80.0mm Bore 66.0mm Stroke .025mm Oversized Conrod Bearing Set