Jesus H Christ Bimmerlife. WTF.
In regards to Calico:
"a mechanic said the transmission mounts were cracked, could that be the problem here?" Yes, I would say a mechanic would know this. Secondarily, it could be that you've never changed the fluid in 200K miles.. but I'm just spitballing here.
5 X Red Line Synthetic Automatic Transmission Fluid - 1 Quart. Vehicle requires 3.2 quarts(1 extra just in case)
Part# RLATL- $8.95
Transmission Mount - Left
Part # : 24 70 1 138 427- $22.95
Transmission Mount - Right
Part # : 24 70 1 138 428- $22.95
Automatic Transmission Filter Kit
Part # : 24 11 1 899 KIT- $59.95
Flex Disc - 6 Hole - diameter = 135mm Automatic Transmisson
Part # : 26 11 1 209 168- $ 48.95
Flex Disc Nut - 12mm
Part # : 07 12 9 900 047- $0.95
Buy all of the crap above. Find a good independent BMW mechanic. Tell him to put it in. The end. If the trans fluid has not been changed in a long long time, you will want to rinse, repeat the trans/filter change after 5K miles due to crap floating around.
Just to give you an idea of the proper way to treat any car. The oil and filter are changed every 5-10K miles, assuming synthetic. The transmission and filter are changed every 60K miles. The fuel filters go between 30-50K miles, depending on if you buy 7-11 gas regularly. Microfilter/Cabin filter- 15K miles. Air filter- Variable, but around 20-30K miles depending on environment. Oh, and also don't date psychos. That helps extend the life of the car. And that's about it. Good luck.
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