CHOOSE A LOCAL AUTO REPAIR SHOP CALL FM PERFORMANCE PARTS DIESEL & AUTO REPAIR IN BILLINGS, MT FM Performance Parts Diesel & Auto Repair is a locally owned and operated auto repair shop in Billings, MT. We service cars of all makes and models. We also work on diesel pickup trucks. Whether you need a quick repair or a performance upgrade, you can turn to us for great service. Bring your truck to our diesel repair shop in Billings, MT. Our owner opened FM Performance Parts Diesel & Auto Repair to fulfill a promise he made to his sister before she passed away from cancer. Now, he honors her memory every day while running his business with pride.