It's not for the faint of heart, especially if you have limited tools in your box. If the boot is ripped, most likely, the joint is bad or on its way out. Replace the entire half-shaft axle on that side just to be sure. Find a trusted independent mechanic who charges about $85/hour and you'll save a TON of money. Let us know how things work out!

__________________
2022 X6///M - Toronto Red, Silverstone Full Merino Leather, Executive Package w/Remote Engine Start, Soft-close doors, Heated & Cooled Cupholders, Front Ventilated Seats, Front & Rear Heated Seats, Front Massaging Seats, Carbon Fiber Trim.

2002 X5 3.0i, Sport Premium, Titanium Silver, Grey Dakota, Cold Weather Pkg, Xenons, DICE, LED Tails, just a winter vehicle...

2007 550i, Sport Premium, Silver Grey Metallic, Grey Dakota, Nav, Cold Weather Pkg, Comfort Access, HD Radio, Xenons.