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![]() | Home > Wheels & Tyres > New 21" wheels |
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Cymruambyth Member Since: 27 Feb 2017 Location: North Wales Posts: 1533 ![]() ![]() |
Actually looks nice and clean with no fogs |
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Lucifus Member Since: 12 Sep 2017 Location: Herts Posts: 29 ![]() ![]() ![]() |
It’s got full black leather, sat nav etc so I guess the 1st owner ticked a lot of options. Is there a way to confirm exact spec from factory from chassis number or something? |
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Tyrefitter Member Since: 19 Jul 2015 Location: Bridlington East Yorkshire Posts: 3677 ![]() ![]() ![]() |
Yes,,LR Topix will give full spec.
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Lucifus Member Since: 12 Sep 2017 Location: Herts Posts: 29 ![]() ![]() ![]() |
I tried topix a few weeks back. I couldn’t find any of that kind of info though to be honest. |
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aljo Member Since: 13 Jun 2006 Location: West Sussex Posts: 3243 ![]() ![]() ![]() |
@ geoffsnook I use the IID BT TOOL go to settings /car configuration/ instrument pack to change and apply your modified wheel settings
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Lucifus Member Since: 12 Sep 2017 Location: Herts Posts: 29 ![]() ![]() ![]() |
Is it safe to make that confit change? I’m sure I read some horror stories |
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aljo Member Since: 13 Jun 2006 Location: West Sussex Posts: 3243 ![]() ![]() ![]() |
do you have a iid bt tool lucifus ? |
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Lucifus Member Since: 12 Sep 2017 Location: Herts Posts: 29 ![]() ![]() ![]() |
Unfortunately not. I’ve got a lynx evo bt tool but I’m not sure if that can change those settings. |
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aljo Member Since: 13 Jun 2006 Location: West Sussex Posts: 3243 ![]() ![]() ![]() |
have a word with lynx evo support , they should help you out |
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Lucifus Member Since: 12 Sep 2017 Location: Herts Posts: 29 ![]() ![]() ![]() |
I didnt know that. I just bought it for diagnostics really. Thanks for the tip |
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aljo Member Since: 13 Jun 2006 Location: West Sussex Posts: 3243 ![]() ![]() ![]() |
should have gone for the IID BT TOOL , can do lot more than lynx or many other diagnostic brands and the support at gap diagnostics s second to none |
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Col Member Since: 02 Sep 2012 Location: Hawkes Bay NZ Posts: 5041 ![]() ![]() ![]() |
I never reconfigured my wheel/tyre size when I fitted 21" wheels a couple of years or more ago as thought speedo more accurate with the larger rim's, changing wheel/tyre size is easy enough with the IID tool, the bit I'm not sure about is the other tyre size parts, 1. Tyre Size (Rolling Circumference) currently set at 2220mm can be reconfigured any where between 1980mm and 2385mm or set as undefined, but the rolling circumference of a 275/45 x 21 is 2453mm. 2. Tyre Rolling Radius - ABS currently set at 359-275/40 R20 no mention of 21" rims only 18's and 19's not sure on that one as does say ABS and thought some speed signals are taken from ABS sensor these day's. 3. Tyre size MSB-IPC haven't got a clue what that mean's but set at 31 but can be reset any where between 0 and 70. Does anybody have any idea what all the above means or if any of it actualy needs reconfiguring?. ![]() ![]() Cheers Col |
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Tyrefitter Member Since: 19 Jul 2015 Location: Bridlington East Yorkshire Posts: 3677 ![]() ![]() ![]() |
Here you go,try this
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geoffsnook Member Since: 19 Nov 2016 Location: cardiff Posts: 1702 ![]() ![]() ![]() |
Thanks tyrefitter says what i thought the tyre size difference will change my speedo to mean i will be driving faster than i should so if i get the over zealous policeman i could be in trouble so will change it and thanks to everyone else for the info |
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