10-25-2020, 11:26 PM | #2003 | |
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///AVM2529.50 |
10-25-2020, 11:32 PM | #2004 | ||
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I'm not saying it feels "wrong", just very different to what I'm used to. Now that you mention dead center of the electronic steering, it's making more sense to me. That's what it is most likely. |
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10-25-2020, 11:42 PM | #2005 | ||
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10-26-2020, 08:01 AM | #2006 | |
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I just picked up an X3M and wondered about the balance/alignment on some roads but it felt like the pressures were a bit low. 2 psi made all the difference and the car feels fine now.
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10-26-2020, 09:22 AM | #2007 |
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Yes, a couple psi make a huge difference. And 32/33 is low for the M2C. Now that its getting colder, tires need to be adjusted every month.
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///AVM2529.50 |
10-26-2020, 09:34 AM | #2008 |
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Does this throw the warranty out the book? btw, where did you get it installed? local bmw specialty place?
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10-26-2020, 01:12 PM | #2009 |
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Definitely raise the tire temperatures to around 35 cold all around and I promise you'll see a big difference in the "jitteriness" of the car. 32 all around is LOW.
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10-26-2020, 01:38 PM | #2010 |
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Just curious, what steering wheel setting do you utilize? I won't try to describe what I perceive in Sport Plus, other than I do not like it. Drive in Sport steering mode. Wonder if what you are experiencing, and do not appear to like is related to your set steering mode? ///AVM |
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10-26-2020, 03:38 PM | #2011 | |
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Anyone else notice that TPMS seems to read about 2 psi higher? |
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10-26-2020, 03:39 PM | #2012 | |
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///AVM2529.50 |
10-26-2020, 03:45 PM | #2013 |
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I think we discussed on a separate thread that the TPMS is about 0.5-1 psi off from an actual gauge for most of us. 2-3 psi seems off by a lot. Have you tried a different gauge?
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10-26-2020, 06:25 PM | #2014 | |
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This topic is so simple, yet so complex. I want to comment, but it gets very convoluted quickly. So, to make a long story short as possible, my 718 CGTS had some low pressure readings and the Porsche service manager insisted my only point of focus should be on the computer reading . . . NOT the manual tire gauge pressure readings. I have absolutely no expertise in tire psi so, my question is . . . with our Bimmers, is best to focus on the computer reading or the tire gauge pressure reading?? I ask, but will have zero concern about it until my computer pumps out an error message saying the pressure is low in one of my tires. Gracias! ///AVM |
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10-26-2020, 07:59 PM | #2015 | |
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10-26-2020, 08:08 PM | #2016 | |
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I have no expertise, which is why I am asking. For the record, it was the Service Department Manager . . . I am not out to disparage anyone, but it is hard to beat the information offered on this forum. ///AVM Last edited by ///AVM; 10-26-2020 at 08:18 PM.. |
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10-26-2020, 08:24 PM | #2017 | ||
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PS. If you find the tpms is not far off, then you can go with the tpms reading of course. It's just good to know how far off it is, if at all. |
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10-26-2020, 08:45 PM | #2018 |
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I always go by the car computer reading and generally its 1 psi difference between the car and my portable compressor having digital reading. For both my cars i go by my car reading and never had an issue
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10-27-2020, 01:21 AM | #2019 |
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The TPMS is just usefull to get an idea of how the tires are warming up. The TPMS in my car reads 1.5 pounds too low. You can't trust it to set the air pressure.
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10-27-2020, 11:37 AM | #2022 |
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Chiming in per my experience.
I was fortunate to be at a track event with Bridgestone. Their calibrated system measured my best gauge to be < 1 psi off. That is my reference point albeit that test was 2-3 years ago. My other gauges were 2-3 psi off that one so I no longer use them. My TPMS seems to be close maybe also within 1 psi. Keep in mind it only measures once driving and may read a bit higher than the cold pressures. As temps rise, so do pressures. Some iDrive versions recommend a pressure based on the temp. If 35 is recommended cold, it may recommend 37 hot. If you only read 35 psi then, it may be too low. Although I've not see this in my M2C. Only actuals. Also as noted, with temps getting cooler, I often set mine 1-2 psi high to allow for the really cold mornings approaching. PS: With cooler temps now, my tires were reading 32-33 cold. I set them to 35, and quite a difference was felt.
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10-27-2020, 09:12 PM | #2023 |
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No it reads tire temps immediately on driving so tire pressure is still cold when the car reads the temp, i get the tire pressures even before i leave my subdivision , typically you need to drive 2-3 miles before tire temps rise
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10-28-2020, 07:15 AM | #2024 | |
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But I stand by my thought that its within 1 psi.
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2020 X3M non-comp, Alpine White over black : Exec Pkg, ventilated M Sport seats, 20"s
2020 M2 Comp, Sunset Orange/Blk: Orange stitching, DCT, exec pkg, bicolor rims Gone '18 M550i, '16 X4 M40i, '15 M5, '13 X3 35i, '12 335is, '11 X5 50i, '09 Z4 35i, '08 550i, 06 X3, 06 650i, '02 M5, '99 540i |
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