BMW 33411095772 Drive Flange Hub

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Raise the car and support it securely. Remove the output half shaft. Remount the control arm with nuts just finger light. Remove the upper and lower attaching bolts and remove the brake caliper. Suspend the brake caliper nearby with wire. Remove the Allen bolt and remove the brake disc. Bolt special Tool No.31 2 090 or equivalent to the knuckle with its 3 bolts. Mount 33 1 307 hooked around the tie rod arm and press the drive flange off. If it is scored, pull the bearing's inner race out of the drive flange with 33 1307 and 00 7 500 or equivalent. Compress the snapring with snapring pliers and remove it. Remove 31 2 090 or the equivalent and replace 33 1307 or its equivalent with a tool such as 312 070. Install and use the combination to press out the bearing. Screw out the spindle of 312 090 and install 33 4 032 or equivalent so it is flush with the surface of 31 2 090. Use 33 4 034 and 33 4 038 to pull in the new bearing. Then, remove 31 2 090. Install the snapring again, with snapring pliers, making sure the open end faces downward. Pull the drive flange into place with 33 4 032 or equivalent, 33 4 038 or equivalent, 33 4 045 or equivalent, and 33 4 048 or equivalent. Install the brake disc, caliper, and the wheel in reverse order.

Specialized tools are crucial because both the hub and bearing are press-fit components. Proper tools ensure safe and efficient removal and installation without damaging the components or the surrounding parts.

The tab on the collar nut needs to be knocked away from the spindle using a chisel. Then, a 1/2 inch drive 46mm socket and a suitable breaker bar can be used to turn the nut counterclockwise and remove it.