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      07-05-2022, 06:44 PM   #13
dradernh
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Drives: 2017 M240i
Join Date: Aug 2013
Location: SW Ohio

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Quote:
Originally Posted by F87source View Post
I just looked, you have an m240i. In that case I am not sure who the oem supplier is.
I'll report here what I discover.

Your statement regarding degradation due to ozone exposure is what caught my attention. Do you have any knowledge or thoughts about how the different manufacturers' serpentine belts might be constructed in terms of their susceptibility to ozone?

FWIW, I live in a part of the country where ozone concentrations, while not as high as in some other places, is generally above the 50th percentile during the warmer months. This is what caused me to think that five years after the car's being built, it might be time to take the belt off and examine it. Since the dealer's going to be doing the work, I'm going to have him replace it with a fresh unit.
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2017 M240i: 23.8K, 28.9 mpg, MT, Sunroof Delete, 3,432#, EB, Leather, Driving Assistance Package, Heated Front Seats | Sold: E12 530i, E24 M635CSi, E39 520i, E30 325is, E36 M3 (2)
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