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      11-04-2007, 11:44 AM   #1
chris5252
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Spots on tyre wall

Whats with the orange and white spots on the tyre wall?
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      11-04-2007, 12:25 PM   #2
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Dunno - I only had white ones and they have gradually rubbed off with cleaning/tyre blackener.
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      11-04-2007, 06:10 PM   #3
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Quote:
Originally Posted by chris5252 View Post
Whats with the orange and white spots on the tyre wall?
When the tyres spin it spells out your engine size
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      11-05-2007, 06:21 AM   #4
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Quote:
Originally Posted by needforspeed View Post
When the tyres spin it spells out your engine size
thats pretty cool, sorta made my L.E.D vavle caps redundant, as i have got them to also say 3.0 Twin Turbo... so i must look stupid with it being duplicated as i travel down the motorway
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      11-05-2007, 06:25 AM   #5
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Quote:
Originally Posted by dxb335d View Post
thats pretty cool, sorta made my L.E.D vavle caps redundant, as i have got them to also say 3.0 Twin Turbo... so i must look stupid with it being duplicated
Sequential turbo
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      11-05-2007, 06:27 AM   #6
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Quote:
Originally Posted by needforspeed View Post
Sequential turbo
oh yeah. i do remember posting sequential turbo before and someone saying that was wrong!!!!

sequential means? one small, one large or just two?
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      11-05-2007, 06:30 AM   #7
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In this context does sequential not actually mean 'one after the other', as opposed to 'side by side'?
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      11-05-2007, 06:31 AM   #8
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As far as I remember,it's to tell the tyre fitted the point to line up with the valve.
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      11-05-2007, 06:39 AM   #9
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Quote:
Originally Posted by dxb335d View Post
oh yeah. i do remember posting sequential turbo before and someone saying that was wrong!!!!

sequential means? one small, one large or just two?
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Originally Posted by Z4 Beemer View Post
In this context does sequential not actually mean 'one after the other', as opposed to 'side by side'?
Twin-turbo or Bi-Turbo implies to turbo's of the same size operating at the same time. This designation applies to the 335i. Turbo lag is reduced because the 2 turbos are smaller than an equivalent single unit.

The 335d has two differently sized turbos, which operate sequentially. Turbo lag is reduced because the smaller unit spools up earlier reducing the step in power output when the larger one cuts in.

EVO recently got this wrong in their comparison between the 335i and VXR8, wrongly stating that the 335i had a sequential arrangement.
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      11-05-2007, 06:44 AM   #10
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Quote:
Originally Posted by needforspeed View Post
Twin-turbo or Bi-Turbo implies to turbo's of the same size operating at the same time. This designation applies to the 335i. Turbo lag is reduced because the 2 turbos are smaller than an equivalent single unit.

The 335d has two differently sized turbos, which operate sequentially. Turbo lag is reduced because the smaller unit spools up earlier reducing the step in power output when the larger one cuts in.

EVO recently got this wrong in their comparison between the 335i and VXR8, wrongly stating that the 335i had a sequential arrangement.
I did know that the 335 had two indentical turbos, and the 335d has two diff sized ones.. but got confused what is called what
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      11-05-2007, 06:53 AM   #11
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Quote:
Originally Posted by creepy coupe View Post
As far as I remember,it's to tell the tyre fitted the point to line up with the valve.
That is correct
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      11-05-2007, 12:03 PM   #12
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Quote:
Originally Posted by OliH View Post
That is correct
When I used to fit tyres this was allways the case, nowadays nobody seems to do it anymore. Strange.

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