Marcum Motors — European Auto Repair Specialists in San Rafael, CA Marcum Motors is San Rafael’s trusted independent European auto repair shop, serving BMW, Mercedes-Benz, Audi, Porsche, Volkswagen, Mini Cooper, Volvo, Land Rover, Range Rover, and Lexus owners throughout Marin County. Our ASE-certified master technicians use dealership-grade diagnostic equipment and genuine OEM parts to deliver factory-level service at competitive prices. From routine oil changes and brake service to complex engine, transmission, and electrical repairs — we handle it all under one roof. Family-owned and operated with 15+ years of precision auto repair experience. All repairs backed by a parts and labor warranty. Porsche services backed by an industry-leading 2-year / 24,000-mile warranty. 📍 516 Irwin St #B, San Rafael, CA 94901 | 📞 415-459-2465 | Mon–Fri: 9AM–5PM