For more than 25 years, informed BMW owners have relied upon the Roundel, the magazine of the BMW Car Club of America, to make their "Ultimate Driving Machines" more ultimate. Now a selection of articles on driving, performance, service & tech tips have been collected in a single book. No matter what BMW you drive or desire, this book will serve as a valuable maintenance guide, performance handbook & technical reference source, to help you understand & care for your BMW. BMW owners & BMW CCA members provide specific information for your BMW: * Valuable insights & technical information ranging from basic service tips to advanced driving theory * Inside secrets on maintaining & preserving your BMW, from properly washing & waxing your car, to how to reset the service indicator lights * Driving techniques ranging from basic car control to choosing apexes on the track * Discover whether your car oversteers or understeers, & how weight transfer affects traction & vehicle performance * Learn the difference between torque & horsepower, & how to select the right tires for your BMW * Find out which performance modifications work, which ones don't & why