berrymans b-12 chemtool August 7, 2014 Solutions Central › Category: Fuel Additives / Treatments > Gasoline › berrymans b-12 chemtool 0 Vote Up Vote Down BPfan Staff asked 10 years ago is berryman's harmful to new cars??? 1 Answers 0 Vote Up Vote Down chemtooler Staff answered 10 years ago No, not at all. Berryman B-12 Chemtool fuel additives are completely safe for use on new automobiles when used as directed. Please login or Register to submit your answer Username or Email Address Password Remember Me