The 2011 BMW 1 Series Convertible and Coupe, available in 128i and 135i variants, represent BMW's commitment to delivering a premium driving experience in a compact, agile package. These vehicles, identified by chassis codes E82 for the Coupe and E88 for the Convertible, offer a rear-wheel-drive platform, balanced chassis, and the brand's signature performance, particularly with the potent inline-six engines. The 128i features a 3.0L naturally aspirated inline-six producing 230 horsepower, while the 135i boasts a 3.0L twin-turbocharged inline-six delivering 300 horsepower. Known for their sporty styling, premium interior materials, and advanced iDrive infotainment system, these models provide a compelling blend of luxury and driving dynamics, competing in the entry-level luxury segment with a focus on driver engagement.

This manual serves as a comprehensive guide for owners and technicians, covering essential aspects of vehicle operation, maintenance, and basic troubleshooting for the 2011 BMW 1 Series Convertible and Coupe. It details vehicle features, safety guidelines, and operational procedures for various systems including the engine, transmission, chassis, and electrical components. The manual also outlines basic maintenance tasks such as checking fluid levels and tire pressure, along with information on interpreting warning lights and performing simple diagnostics. While it provides owner-level information and basic care instructions, it is not intended for in-depth mechanical repair or advanced diagnostics, which typically require a dedicated service manual.

The 2011 BMW 1 Series Convertible and Coupe, available in 128i and 135i variants, represent BMW's commitment to delivering a premium driving experience in a compact, agile package. These vehicles, identified by chassis codes E82 for the Coupe and E88 for the Convertible, offer a rear-wheel-drive platform, balanced chassis, and the brand's signature performance, particularly with the potent inline-six engines. The 128i features a 3.0L naturally aspirated inline-six producing 230 horsepower, while the 135i boasts a 3.0L twin-turbocharged inline-six delivering 300 horsepower. Known for their sporty styling, premium interior materials, and advanced iDrive infotainment system, these models provide a compelling blend of luxury and driving dynamics, competing in the entry-level luxury segment with a focus on driver engagement.

This manual serves as a comprehensive guide for owners and technicians, covering essential aspects of vehicle operation, maintenance, and basic troubleshooting for the 2011 BMW 1 Series Convertible and Coupe. It details vehicle features, safety guidelines, and operational procedures for various systems including the engine, transmission, chassis, and electrical components. The manual also outlines basic maintenance tasks such as checking fluid levels and tire pressure, along with information on interpreting warning lights and performing simple diagnostics. While it provides owner-level information and basic care instructions, it is not intended for in-depth mechanical repair or advanced diagnostics, which typically require a dedicated service manual.