Excellent vids Q!
Now I want to see a test done at 30* on dry pavement with summers vs. AS. This is the scenario I would see with my summers in the winter maybe two months of the year max. Anything below 40 with moisture I can take my X.

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2001 E53 4.4 Alpine White, Sports Package
2000 E36/7 2.8 5 speed Bright Red w/ a HT!