Nothing Is Cooler Than a BMW E30 M3 in Group A Rally Spec

CSF's Ultimate BMW E30 Group A/DTM Oil Cooler (S14/M20/Swaps)

What caused the sharp increase in E30 M3 values? - Quora

BMW M3: History in Rally

1986 BMW (E30) 325I SE - TRACK PREPARED for sale by auction in Wrexham, United Kingdom

An E30 M3's Road To Vintage Victory At One Lap Of America - BimmerLife

Nothing Is Cooler Than a BMW E30 M3 in Group A Rally Spec