When you are modifying your BMW to make more power, you need to consider an injector that will support enough fuel flow for your desired power goal. 42 Lb/hr injectors are a great upgrade for many boosted applications.
Read: Thirst of Power - Understanding larger injectors
Our fuel injectors are flow matched in sets of 6 injectors. These injectors are matched within 2.5% or less. We also guarantee our injectors for 1 year from the purchase date. If you have any problems with your injectors we will test them and replace any defective injectors free of charge.*
*Customers are responsible for shipping costs on warranty or exchange shipments*