Philip Slate's (previously Scott Tyler, Arthur Porter and Richard Conway) Gruppe 4 racing CSL. Gorgeous! Photo by R. Harrington Photography. It is a 1972 BMW CS/CSL (IMSA) - Calendar car for 1979. Nearly two decades of IMSA and SCCA racing experience. One of only a hand full of racing BMW's of it's time. Ex-drivers incllude Sam Posey, Steve Earle, Wolfgang Naschel, Sep Grimbald, Alf Gebhardt and many more. Featured in several auto magazines, includes two waterclolor paintings, and two scale models made of this famous IMSA race car.

Photo by Jeremy Walton (?) Not sure if this is the same car as 14/74 or a different one

Philip Slate's spectacular "this one really grabs you" Gruppe IV CS/CSL. Photo credit: Marilyn Wegweiser, Boston, MA, BMW CCA Octoberfest 1994. This car was owned by Arthur Porter when this photo was taken.