NHTSA Complaint #10231964 — 1999 BMW R1200C

I'VE GOT A 1999 R1200C. I RECENTLY DID SOME SERVICING ON IT WITH MY FRIEND, AND I THINK I AM EXPERIENCING THE START OF FINAL DRIVE FAILURE... WE DID VALVE ADJUSTMENTS, FUEL FILTER, BRAKE FLUIDS, AIR FILTER, OIL AND OIL FILTER, TRANSMISSION FLUID AND THE FINAL DRIVE FLUID. EACH FLUID LOOKED SURPRISINGLY GOOD TO ME , EXCEPT THE FINAL DRIVE FLUID. I EXPECTED IT TO BE DARK IN COLOR, AS IT WAS OLD, BUT IT CAME OUT A GLITTERING METALLIC OOZE. I'D NEVER SEEN FINAL DRIVE FLUID BEFORE, SO I THOUGHT IT WAS NORMAL UNTIL I OPENED UP THE BOTTLE OF NEW FLUID AND SAW IT WAS YELLOW/CLEAR. SINCE THEN, I'VE NOTICED THAT IF I OPEN THE THROTTLE UP WHILE CLIMBING AN INCLINE, I GET QUITE ALOT OF ENGINE REVS, BUT NO EXTRA TRANSFER OF POWER TO THE WHEEL. :0 IF I BABY THE THROTTLE, I GET MORE FORWARD MOTION.... I'M SCARED OF FINAL DRIVE FAILURE GETTING ME KILLED... PERHAPS I'M LESS LIKELY SINCE I GOT THE METAL CHIPS OUT, BUT NOW THE DRIVE ISN'T TRANSFERRING POWER... I DON'T KNOW, ANY HELP? THANKS! *TR