The factory bolts are simply not sufficient for those planning to run above factory power levels

In testing

0 GPM flow range

and 4x 9mm Nuts

BMW S63 Injector Dynamics 7506 The factory bolts are simplyID1050 The ID1050x is the most recent offering from the partnership of Injector Dynamics and Bosch Motorsport, and is the result of lessons learned during development of the ID1300x, and ID1700x. Like the ID1300x and ID1700x, the ID1050x is not a modified production component. It is a built to spec motorsport injector, offering optimization of critical operating parameters important to you, the motorsport tuner. Compared to the original ID1000, the