Well, I got the $217 BMW tool kit from MAX, and the very first time I used it, the adapter broke. I mean, the metal completely ripped apart. Little retainer spring and a ball bearing on the floor. I'm an old man & don't use steroids. Just crap metal, IMHO. So what tools do you guys use when you remove the front wheel, or service the bike? MacParnes tool looks good, but you can't torque with it. Craftsman torque wrench.
I use the $35 A&S Cycle oil filter wrench. It fits to open the filler cap!
Oil Filter Wrench - Multi Tool - BMW Hex-Heads & K Series Bikes - Made by A&S BMW Motorcycles® - - A&S BMW Motorcycle Parts and Accessories