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| D2 - Wheels and Tyres Refurbing, center caps, tyre brands, tyrefitters - discuss it here |
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#1
21st March 2011, 08:24 PM
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Is 245/40/18 a no go?
The S8 i bought recently came with 245.40.18 and not 245.45.18 tires like its supposed to have.
They look a bit small as they dont fill out the arches as much.. Should i change them asap or is it ok to keep them on until they are on the wear indicators? Thanks. Bo 
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#2
21st March 2011, 08:33 PM
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see the attached image
if they are all the same size then your speedo will just indicate you are doing faster than you actually are by 2.2mph and you can just wait until they are worn down to renew with a new size but again you will need to do all 4 if you have different sizes on front or back and quattro then you may get more of an issue!!
__________________
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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#3
21st March 2011, 08:40 PM
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Thank you that's very useful info.
They are all the same size but the spare is 45. Would it damage the diff to use one 45 on a set of 40s for a short period of time should i have a blow out? Cheers. Bo Last edited by s2_bo; 21st March 2011 at 08:44 PM.
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#4
22nd March 2011, 10:05 AM
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I don't think it would damage the diff but the car would sense the differing wheel speeds and think you were encountering a slipping wheel situation so not sure what the electronics would make of that.
__________________
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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#8
23rd March 2011, 03:11 PM
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I ran 225x40x18's for well over 12 months before the 2 fronts were worn enough for me to warrant replacing them with 245x45x18. The only difference’s being she accelerated quicker and the speedo told lies, so I cocked up more miles than I had actually driven. Oh and the ride was terrible.
I wouldn't want to run one odd size tyre though.
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