BMW / Mercedes diesel performance injector upgrade

Description These injector(s) are upgraded to work with many different stage builds. Ordering and installation Product includes upgrade to your own injectors only. Make sure that the injector mounting surface is clean, use steel brush with drill if needed Make sure that the injector seal is correct spec. We have best experience with stock seals (1,3mm/Mercedes) Do not over-tighten the injectors, the stock spec. is 7Nm 90deg 90deg(For Mercedes!) Always use new bolts and new seals/washers To utilize these injectors fully, car has to be remapped, this can happen in two ways, we send the remap file to you by email or you send your ecu to us for remapping If you have questions, please don’t hesitate to contact us, we answer emails fast.