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      05-05-2021, 03:28 PM   #9
unfoundnemo
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Drives: 2022 i4 M50
Join Date: Oct 2017
Location: Pennsylvania

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2022 BMW i4 M50  [0.00]
2022 BMW X7  [0.00]
Quote:
Originally Posted by RS61 View Post
For tyres, the Michelin Connect app is excellent as it helps you tweak starting pressures to make sure you maximise the time within the optimal range. I found that I was starting on around 26 psi in order to run between 32 and 35 once warmed up for a good 15-20 minutes before they would then go over that pressure and you can start to feel the car sliding around a bit too much (not in a fun way).
Were you getting the low pressure warning in TPMS with M mode set to track? I took a base M8 (so no track M mode, just road and sport) and while it didn't go into limp mode due to pressures like someone in an F32 mentioned, it did give me the warning to stop carefully. I played around with some tire settings, telling it I was using race/other tires, etc., and it still gave me the warning. I performed a reset when I was up to temp in some traffic one session, but it still came back on at the start of the next session. Again, no limp more or any real consequence, but sort of a notification crying wolf type situation.
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Current: 2022 i4 M50 | 2022 G07 X7
Gone: 2020 F92 M8 | 2020 G07 X7 | 2018 F80 M3 | 2017 F15 X5 | 2016 F16 X6 | 2015 F36 4 series GC
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