What would you guys recommend for an upgrade to keep my n55 335i AT transmission as cool as possible? I went to the 1/4 mile and after a couple pulls I feel that my tranny didn't react to my shift points anymore from 2-3. I wonder if it has to do with overheating it or being very close to it. Probably wouldn't be that much of an issue on the track as there's a little more constant airflow but who knows, I've never been at a real track before...
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