Stertman Motorsport is a Swedish performance automotive retailer focused on quality parts and upgrades for BMW and other sports and high-performance cars. Its range is presented for drivers who want dependable performance on both road and track, with products described as tested and proven, and supported by enthusiast expertise and advice. The company also promotes fast, secure delivery from stock in Sweden.

The online store offers parts and accessories across categories including engine, intake and drivetrain components, turbo-related products, and vehicle fluids. Examples include performance motor oils from Motul, BMC air-filter cleaning kits, and Forge Motorsport intake hoses, carbon-fiber intake kits, turbo blankets, short shifters, and boost-pressure fittings. Products are listed for specific vehicles and engine configurations, including models from Abarth, Audi, and BMW, so compatibility details are important when choosing parts.

Stertman also offers services including car tuning, turbo solutions, and software tuning. Its site features collaborations and motorsport-related stories, reflecting a brand centered on performance, practical expertise, and equipment for demanding driving.