All of 22RPD's tunes are comprehensively developed in-house to provide the most refined tune and the highest output possible per platform available anywhere. We spend the time to be the expert so you can rely on us to take your street or race BMW to the next level. We take a comprehensive approach to tuning; this means we work with the whole system to find the most power, best throttle response, and highest drive-ability around. We are pleased to provide these packages for your BMW.Possible Injector/Maf Combinations: - 22RPD 3" MAF and 60# injectors - 22RPD 3.5" MAF and 80# injectors - Bosch 803 Maf and 42# injectors (RMS Supercharger Kits) - Bosch 803 Maf and 60# injectors - Bosch 803 Maf and 80# injectorsLooking for more configuration options? Email Us!Need help deciding which options? Check out our Glossary!