Quote:
Originally Posted by Snax
... didn't go any lower than 30 psi because the BMW spec is 33f /40r and it was already complaining about 35 /35. Regardless, it seems pretty clear that exceeding the maximum spec of 50 psi for the tires is likely not productive. Much over 45 may or may not be of measurable benefit. Dropping below 40 however seems to have a clear penalty based upon the averages.
|
3-4% over OEM pressure specs is significant. That's measurable extra range.
Quote:
Originally Posted by Snax
Even so, I have decided to keep pressures at 45 / 50 for now as I like the way the car feels there. Lower pressures just feel mushy.
|
That's exactly what I thought looked ideal in your data. Roughly 10 psi over recommended as the ceiling.