Bob Harper, Author at crankandpiston.com

Bob Harper

New 2018 BMW M3 CS review – hottest ever M3 hits the road

May 21, 2018 Bob Harper

Car paint protection film – what is it and does it work?

Feb 19, 2018 Bob Harper

BMW M1: history, reviews and specs of an icon

Jan 29, 2018 Bob Harper

Gemballa GT Concept introduced at SEMA

Nov 1, 2017 Bob Harper

BMW 6-series GT review – a high-class 5-series or a cut price 7-series?

Oct 18, 2017 Bob Harper