Metric Mechanic Inc – BMW Performance Engines, Transmissions, Differentials & Custom Parts

Over 30 years experience modernizing the drivetrain through innovation, design & engineering, has earned us the reputation of being the BMW Drivetrain Experts

Office Hours 9-12 & 2-5 CST Mon-Fri
International Hours also available

Metric Mechanic, a machine shop dedicated to enhancing the BMW drivetrain, powered by admiration for the BMW Brand, same as you!

MM customers are BMW enthusiasts seeking greater performance & reliability for the BMW they relate to so strongly. Our normally aspirated engine rebuilds provide 25% – 50% more HP & twice the longevity. We also build engines dedicated for boosting. MM 5 & 6 Speed Manual transmissions take harder shifting. Variable Limited Slip Differentials increase cornering speed plus last longer.