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A performance build does not have to be defined by one major modification. Sometimes the most effective approach is to improve several areas of the vehicle while keeping the overall build cohesive. Ai … read more

Not every performance build needs the same approach to tuning. A lightly modified daily driver may benefit from a proven off-the-shelf calibration designed around common hardware. A more extensively m … read more

The factory intake system can become an increasingly important part of the airflow equation as a turbocharged engine is modified for higher output. As turbochargers move greater volumes of air, restri … read more

The ignition system becomes increasingly important as BMW engines operate under higher boost, increased cylinder pressure, and elevated combustion temperatures. For enthusiasts modifying their BMW B48 … read more

The clutch is one of the most important components in a manual performance car because it has to perform two very different jobs. It needs to engage smoothly enough for normal driving while also trans … read more