GSTuning is a German auto specialist shop in the north bay, certified and dealer trained with over 40 years of combined experience. They are the best place for maintenance and repair of any German car, specializing in Audi and BMW, and also work on other European makes like Mercedes, VW, Range Rover, and Mini, including select classic automobiles. They repair, service, diagnose, and program all makes and models. The crew is very helpful, knowledgeable, and genuinely nice, providing easy and personable service via call and text. Prices are very reasonable and great. They often accommodate customers right away. Many visits include a free carwash. Customers speak highly of their caring service and are grateful to have them on their team.
Sammy Lopez really knows his stuff. He diagnosed my issue right away and had me back on the road the same afternoon.
September 2025
GSTuning in Santa Rosa California is the best shop I’ve taken my car to. Honest pricing quick turnaround and quality work every time.
September 2025
Mike at GS Tuning has always gone out of his way to care for my vehicle. He is accommodating, fair, and treats me more like family or a friend than just a customer. It is hard to find a mechanics you can trust and who is fair. GS Tuning has been a breath of fresh air! Been taking my 2003 330i as well as my 2015 328i there... read full comment
