I agree with Tykey, 4 degrees is very insignificant, if indeed it is even true. The tool they use is not an exact measurement, and it can be off and vary.
I can’t stress enough that you don't have to worry so much about your ROM. Mine was poor my whole first year and it’s fine now.
I can’t stress enough that you don't have to worry so much about your ROM. Mine was poor my whole first year and it’s fine now.