01-04-2020, 01:18 PM | #1 |
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Recommended PSI, hot or cold
Is the recommended psi on the door what it should be after driving for a bit or at undriven. Maybe im a noob here but I was always under the impression you put in the recommended when the tires are cold regardless if they heat up while driving. Pros, fill me in here please. What's the rule of thumb? Also what changes for you you between seasons of warmer and colder months?
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01-04-2020, 01:34 PM | #2 | |
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On my M550, the recommended tire pressures displayed on Idrive will change according to the tire temperatures. I usually go by those numbers. |
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01-04-2020, 01:44 PM | #3 | ||
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01-09-2020, 07:47 AM | #4 |
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Also depends upon the wheel/tire combo so door tag may not take that into affect. PSI on door is for the standard wheel size.
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01-09-2020, 08:02 AM | #5 | |
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But as of late...they have been only putting the "standard" wheel & tire info on the door/door jamb label...making you refer back to the owners manual for the full list of recommendations and wheel/tire options...as well as speed (over/under 100 MPH). So also check your owners manual if the door/door jamb tire pressure label doesn't apply to the wheel/tires you have mounted. {what BMW gives us now on the door jamb...just a single wheel/tire set-up info...with instructions to check your owners manual for additional info} {what BMW used to give us...all the recommendations as the ones found in the onwers manual (pic below is from an X5)}
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Become a BMW CCA member! Click HERE to join and feel free to use my BMW CCA member #191509 as a referral. Last edited by Qsilver7; 01-09-2020 at 08:15 AM.. |
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01-09-2020, 09:32 AM | #6 | |
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As a result, the door is now the "worst case scenario" number (assumes max load over 100MPH etc). https://www.automobilemag.com/news/t...ssure-sticker/ |
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01-09-2020, 03:55 PM | #7 | |
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01-09-2020, 08:24 PM | #8 | ||
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01-10-2020, 07:23 AM | #9 |
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As Virtual Guitar has stated, check the iDrive info. It allows for wheel size, tire size and seasonal-rated tires.
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01-12-2020, 10:40 PM | #10 | |
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01-13-2020, 07:39 AM | #11 |
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Correct, but you do have to be sure you have the IDrive set for your combination and whether under or over 100mph applies. It is possible to have fun with different settings.
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01-13-2020, 06:48 PM | #12 | |
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01-14-2020, 07:37 AM | #13 |
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I also have non runflats and one size bigger than stock. I picked the setting that seems right to me and felt right with a little trial and error.
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