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| D2 - Wheels and Tyres Refurbing, center caps, tyre brands, tyrefitters - discuss it here |
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#1
17th May 2014, 06:01 PM
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20" wheel tyre pressures
Hi all
When I was hunting for tyres recently and ended up on the Michelin web site looking at Super Sports, I noticed that they quote tyre pressures for the vehicle. They looked a little different to what's on the label in the fuel flap so thought I'd double check them. The Michelin site quotes 34.8psi for normal use and 46.4 for fully laden. I looked at the car and it quotes 36psi or 2.4bar - tried a quick conversion and 2.4 bar equates to 34.8, not 36! The full laden pressures make sense - 46 is quoted on the car and that's just under 3.2 bar, whereas 46.4 is bang on 3.2bar. I think I'll be setting my tyre pressures in bar in future, given that's the units the Germans will have used originally! Just surprised they've got the conversion wrong 
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===SOLD===2002 Audi S8 D2 Final Edition (yes, really) in Avus Silver with purple extended leather===SOLD=== 2011 S5 Sportback in Phantom Black with black Super Sports leather, 9x20s, tech pack high, adaptive xenon plus, intelligent key, memory seats pack, sunroof, B&O, Audi Drive Select & quattro Sports Diff, DAB, parking system plus 2015 VW Golf GTI Performance Pack in Carbon Grey with black Vienna leather, tech pack (Discovery Pro nav & Dynaudio), DCC, factory towbar and retrofit RVC 
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#2
18th May 2014, 06:39 AM
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Is a 3% error going to make any difference? I'd doubt if pressure gauges were that accurate anyway. But I am surprised the conversion is incorrect.
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2002 Final Edition S8. Ebony black with Silver Grey leather and myrtle wood trim. Current mods: solar sun roof, 20mm rear spacers, 15 mm on front, red brembo callipers, 6k headlights, rear view camera, engine remap, alloy dash dial rings, alloy navi rings, tt/phaeton pedal upgrade, (and custom matching foot rest) dension ipod interface & parrot hands free kit (both fully hidden), av input, tv in motion switched thro' PF switch in blanking plug right of steering column, Audi 'quattro' sill covers, repositioned centre console switches, radio clock, .Planned mods: auto-dimming rear view mirror, dash cam (as steamship's), fit the ski hatch, refit philips drl's (or maybe not - nope, definitely not - horrible botch!).
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#3
18th May 2014, 09:23 AM
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It's a rounding error.. should be 2.48 bar, and someone has been lazy, just dropping the 8 rather than rounding to 2.5, or erring on the side of caution.
I tend to run mine about 40psi all round, seems to be fine.
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2010 Jag XF 3.0D Portfolio S I know.. I know.. 
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#4
19th May 2014, 03:40 PM
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I'm on 40 all round....mixed driving, but regularly have 2 kids and wife in car, and tanking up and down M1 at least once a week. Any less always seemed to accentuate shoulder wear, but then again, I don't hang around...
Just had the 2 pilot super sports fitted this morning....nice looking tyre. Zip
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 2002 D2 S8: Ebony Black over Platinum. A8L Comfort front seats in black (  ), heated rear seats, extended Leather Pack 3, blinds, glass sunroof, MFSW, Dension Gateway 100 for iPod, ski-hatch, xenon plus, auto dimming mirrors, 20" FE wheels, billet aluminium 'brake block', gunmetal Brembo calipers  2005 B6 S4 Cabriolet: Ebony Black Pearl over Silver. RNS-E, Bose, heated seats, cruise control, retrofit aux-in, centre armrest, Milltek resonated exhaust
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#5
19th May 2014, 05:05 PM
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I'm not known for my sedate driving either - maybe I should try slighter higher pressures now the alignment is spot on and see what it's like
 I'm usually one extreme of town driving on my own or loaded to the roof with racing clobber for toy cars as I was on Sunday! Had an interesting drive back on country roads with limited opportunities to clear slower traffic 
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===SOLD===2002 Audi S8 D2 Final Edition (yes, really) in Avus Silver with purple extended leather===SOLD=== 2011 S5 Sportback in Phantom Black with black Super Sports leather, 9x20s, tech pack high, adaptive xenon plus, intelligent key, memory seats pack, sunroof, B&O, Audi Drive Select & quattro Sports Diff, DAB, parking system plus 2015 VW Golf GTI Performance Pack in Carbon Grey with black Vienna leather, tech pack (Discovery Pro nav & Dynaudio), DCC, factory towbar and retrofit RVC
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#6
20th May 2014, 08:34 PM
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On my 20" final editions I'm on 40 all around too, seems to work best like zip for general use
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Confidence is the feeling you have before you know better . . . . Audi A8 D2 3.7 Quattro Sport 1999 FL - Melange 2nd Place Winner - A8-Freunde Annual German Meet 2012 at Edersee 20" x 9" Bentley GTC Wheels with 385mm W12 Front Discs & Bentley Caliper Covers, Front Lowered on Coilovers, Xenons, Combined DRLs and LED Foglights to modified OEM front fog lamp position, Alcantara/Leather, Full Black Alcantara headlining + pillars and blind shelf, Bespoke Flat Bottomed Sports Steering Wheel, Dark Myrtle Wood, Autodim Mirrors, Bose, Blinds, Digital TV, Ski Hatch, Modified rear exhaust section for extra V8 Burble  Audi S8 D2 Final Edition 2002, Avus Silver with Red Leather Interior Tiptronic with Sport mode button, Sony rear entertainment package, Bose sound system, Audi Navigation Plus, 20 inch Final Edition alloys, Full Cat Back Stainless Milltek exhaust, giving a great V8 burble Audi A8L D2 4.2 Petrol with LPG - Ebony Black Audi A8L D4 FL 4.0T Petrol twin turbo - Havana Black Audi A2 1.6 FSi Sport - Dolphin Grey with Votex body kit and Red Leather Interior and some other A8's A8L's and Mercs
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