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2010 2011 BMW 5 Series Forum F10 How does your steering feel? |
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02-18-2011, 10:17 AM | #177 |
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This has been previously and extensively identified as the most likely cause of the problem - great if you have the choice, but no xdrive in the UK.
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02-18-2011, 12:28 PM | #178 |
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Jon,
Could it be the alignment that gave you the improvement? I quote popular mechanics, via google: "With nitrogen, your tire pressures will remain more constant, saving you a small amount in fuel and tire-maintenance costs. There will be less moisture inside your tires, meaning less corrosion on your wheels. You will not be able to feel any difference in the ride or handling or braking, unless your tire pressures were seriously out of spec and changing to nitrogen brought them back to the proper numbers." Did you have the proper tire pressures before? Maybe you 'found' a new PSI that allows greater feel. Or perhaps, more likely it was the alignment that brought about the improvement? The 'feel' aspect of nitrogen is that the pressure varies less with temperature.. |
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02-18-2011, 12:58 PM | #179 | |
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Having spent 43 years in aviation engineering, I'm well acquainted with both the theory and practice of using nitrogen in tyres and that is why I was initially sceptical as to any benefit. I verge on OCD as far as tyre pressures are concerned and check them with a calibrated gauge at least once a week. Through experimentation I have found the F10 to be extremely sensitive to very small changes and I have found the optimum to be 30psi front 33psi rear for a lightly loaded car. I have identical pressures with the nitrogen. I certainly agree with 'Popular Mechanics' from a theoretical standpoint; however, my practical experience tells me otherwise - don't forget that I said I was trying hard to disbelieve it, but after 600 miles and ten days, I have to concede that it works for me. This will not be the first time that actual practice contradicts a theory and to the sceptics I can only reiterate my earlier suggestion - for the sake of £5 give it a try. |
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02-18-2011, 01:11 PM | #180 | |
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02-18-2011, 01:17 PM | #181 | |
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My account is intended primarily for those who have experienced steering problems similar to mine - there are quite a few of us! |
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02-18-2011, 01:19 PM | #182 | |
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Actually, I just got an idea.. jack up the front PSI .. my current settings of 31.2/33 are a habit from a different car, the f10 is so soft, i wonder what would happen if i had the tires harder.. update: increased fronts to match back at 33 (29cold@13celsius) and its more bumpy, with no improvement in feel.. =sucks Last edited by grimlock; 02-18-2011 at 03:46 PM.. |
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02-19-2011, 03:00 AM | #183 | |
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02-19-2011, 03:50 AM | #184 |
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Where can I buy a decent Pressure gauge?, I have three cheap ones and they all vary a Pound or two.
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02-19-2011, 04:05 AM | #185 | |
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Michelin do a digital gauge for £25 with a stated accuracy of ±1psi. Alternatively there's this: http://www.demon-tweeks.co.uk/Produc...ign=Motorsport I believe they use Intercomp gauges for racing. |
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02-19-2011, 04:18 AM | #186 | |
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02-19-2011, 04:29 AM | #188 |
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I am going for the Analogue one(Intercomp Deluxe Tyre Pressure Gauge), I think the accuracy will be better.
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02-19-2011, 04:35 AM | #189 |
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02-19-2011, 04:38 AM | #190 |
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Will Do.
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