On Thursday, September 3, 2020 at 12:35:52 PM UTC-4, Paul Murphy wrote:
On Saturday, April 20, 2019 at 11:48:12 AM UTC-7, Oren wrote:
On Fri, 19 Apr 2019 14:59:42 -0700 (PDT), Z3 4eva
wrote:
Seems we have a wealth of morons here. Don't post with your f u c k i n g opinion, post with an ANSWER. Opinions are like a s s h o l e s. Everyone's got one, most all of them stink! Idiots...
Thanks for your opinion moron.

What was your answer, I must've missed it.
Another Moron here, I suppose. ... Although I do have a Aeronautical Engineering degree, this is not my specialty and was wondering... I only plan on keeping the car for another year (e60) and I am on my 3rd (and yes, the last one was with a new Behr motor at the same time). I did notice a good deal of carbon on the power lead and did clean that up before reinstall but it still failed again.

My Stupid Question: Is there a speed at which would limit the damage. My intuition says, "Run max so that no resistance is 'required,' but I'm probably missing something.

Thank you,
(signed)
Your Humble Moron.

Faster blower speed is better, for two reasons. One is at the higher speed
there is less voltage drop across the transistors, so less heat is generated.
The other is more air flow over the cooling fins.