Thank you for purchasing the VAC Motorsports M50/M52/S50/S52 Single Vanos Elimination Kit
We recommend that this kit is installed by a professional engine builder.
Instructions:
First remove BMW Vanos assembly as per BMW instructions.
Remove the 3 studs from the intake cam and discard.
Remove spacer and trigger.
Remove the toothed shaft from inside the camshaft.
Apply red loctite to the 14mm bolt supplied in the kit and thread this into the center of the intake cam.
Torque the bolt to 50 Ft-lb’s (67Nm)
Apply red loctite to studs supplied in the kit and thread them into camshaft
Install the trigger onto the cam. (See Figure 1)
Then install:
The BMW OEM shim, part #11361735908. (See Figure 2)
Sprocket, part # 11361738470. (See Figure 3)
Shim – Supplied in the kit. (See Figure 4)
Then thread the nuts into studs. (See Figure 5)
Time the camshaft to according to cam manufacturer specifications.
Torque nuts supplied with the kit to 12 ft lbs (15Nm)
Reinstall Vanos unit engaging spline cup in cam sprocket. Please note that the Vanos piston will move in and out as normal but cam will stay timed where set.
Should you have any questions, please call our tech line @ 215.462.4666