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      12-04-2019, 11:09 AM   #16
Kief
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Drives: '24 iX50; '23 i4 M50
Join Date: Dec 2009
Location: Vereinigte Staaten von Amerika

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Quote:
Originally Posted by TXPearl View Post
Quote:
Originally Posted by Kief View Post
I'm a nut, and manually check the psi on all my tires weekly!! Haha
Another issue I have with the recommended 39/45 psi, is bc that's for five passengers and/or luggage. What's the recommended psi for just a driver and passenger?
I just took delivery of my 2020 X5 M5.0i. I have the 22" wheels with non-RF tires. Delivery tire pressures were set at 44/49 (F/R) and the ride feels harsh. When I check the tire pressure levels in iDrive, it also show the 'recommended tire pressure' which matched what the dealer used. From that same iDrive screen, I can 'set' the tire type and speed rating. It was set to all-season tires, and I changed it to summer and set the speed to 100mph+ (why not?). After making these adjustments, the recommended pressures went up to 49/52.

For comfort, I'll probably play with some lower pressure levels, but I don't like to deviate too far from recommended (although I recognize the recommendations are probably biased toward safety/liability avoidance).

FYI, I keep the tire pressure screen as one of my 8 preset buttons so I can easily check it.
Those numbers seem crazy high. Here's a pic of the owners manual up to 100
And doesn't 52psi exceed the max psi on the tire itself, be careful!
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'24-I20 iX 50; '23-G26 i4 M50; '22-G82 M4Cx*;20-G05 M50i*; '20-F82 M4CS*; '18-F80 M3CS*; '18-F80 M3CS*; '18-F85 X5M*; '18-G01 X3M40i*; '18-F80 M3ZCP*; '17-F80 M3ZCP*; '15-F15 X5*; '15-F82 M4*; '12-E92 335is*; '11-E70 X5d; '11-E89 Z435is*;'09-E89 Z435i*; '08-E92 335i*; '06-E90 330i*; '05-E83 X3*; '04-E83 X3*; '03-E46 325Ci* *retired
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