Tire id e n tific a tio n m a rk s
Un ifo rm Tire Qu a lity Gra d in g
Qua lity g ra d e s c a n b e fo und w he re a p p li-
c a b le o n th e tire s id e wa ll b e tw e e n tre a d
s hould e r a nd m a xim um s e c tio n w id th .
Fo r e xa m p le :
Knowle d ge o f th e la b e ling o n th e s id e o f
th e tire m a ke s it e a s ie r to id e ntify a nd
c hoos e th e rig ht tire s .
Tre a d w e a r 2 00 Tra c tio n AA
Te m p e ra tu re A
Tire s ize
e .g .
2
05/60 R 15 91 W
DO T Qu a lity Gra d e s
No m ina l w id th
in m m
Tre a d we a r
As p e c t ra tio in X�
Ra d ia l typ e
Tra c tio n AA A B C
Te m p e ra tu re A B C
Rim d ia m e te r in in c he s
Loa d ra tin g
(not o n ZR tire s )
S p e e d ra tin g
All p a s s e nge r c a r tire s m us t c onform
to Fe d e ra l S a fe ty R e q uire m e nts in
a d d itio n to th e s e g ra d e s .<
(b e fore R on ZR tire s )
Tre a d w e a r
The tre a d we a r g ra d e is a c om p a ra tive ra t-
ing b a s e d o n th e we a r ra te o f th e tire whe n
te s te d u nd e r c ontro lle d c ond itio ns o n a
s p e c ifie d g ove rn m e nt te s t c ours e .
Fo r e xa m p le , a tire gra d e d 150 would we a r
one a nd o ne -ha lf (1 g) tim e s a s we ll on th e
gove rn m e nt c ours e a s a tire g ra d e d 1 00.
The re la tive p e rfo rm a nc e o f tire s d e p e nd s
up on th e a c tu a l c ond itio ns o f th e ir u s e ,
howe ve r, a nd m a y d e p a rt s ignific a ntly fro m
th e norm d ue to va ria tio ns in d rivin g ha b its ,
s e rvic e p ra c tic e s a nd d iffe re nc e s in ro a d
c ha ra c te ris tic s a nd c lim a te .
S p e e d c o d e le tte r
T = u p to 1 18 m p h/190 km /h
H = u p to 1 31 m p h/210 km /h
V = u p to 1 50 m p h/240 km /h
W = u p to 1 67 m p h/270 km /h
Y = u p to 1 86 m p h/300 km /h
Tire Id e n tific a tio n Nu m b e r
Tire s w ith DO T c od e s m e e t th e g uid e line s
of th e U.S . De p a rtm e nt o f Tra ns p ort.
DO T c od e :
Tra c tio n
e .g.
The tra c tio n gra d e s , fro m highe s t to lowe s t,
a re AA, A, B , a nd C .
DOT xxxx xxx 3 603
Ma nufa c tu re r c od e
for tire m a ke
Tire s ize a nd
tire d e s ign
Thos e g ra d e s re p re s e nt th e tire 's a b ility to
s to p o n w e t p a ve m e nt a s m e a s ure d u nd e r
c ontro lle d c ond itio ns o n s p e c ifie d g ove rn -
m e nt te s t s urfa c e s of a s p ha lt a nd c onc re te .
A tire m a rke d C m a y h a ve p oor tra c tio n
p e rfo rm a nc e .
Tire a ge
Tire a g e
The tra c tio n g ra d e a s s igne d to th is
tire is b a s e d o n s tra ight- a he a d b ra k-
ing tra c tio n te s ts , a nd d oe s n ot in c lud e
a c c e le ra tio n, c orn e ring, h yd ro p la ning, o r
p e a k tra c tio n c ha ra c te ris tic s .<
The tire 's d a te o f m a nufa c tu re is in d ic a te d
on th e s id e wa ll:
DO T ... 3 603 ind ic a te s th a t a tire w a s m a n-
ufa c tu re d in w e e k 3 6 o f th e ye a r 2 003.
BMW re c om m e nd s th a t yo u re p la c e a ll
tire s a fte r 6 ye a rs a t th e la te s t, in d e p e n-
d e ntly o f the fa c t th a t tire s c a n re a c h a n a ge
of 1 0 ye a rs .
Te m p e ra tu re
The te m p e ra tu re g ra d e s a re A – th e
highe s t – B , a nd C , re p re s e ntin g th e tire 's
8
8
Online Edition for Part No. 01 41 0 157 631 - © 07/03 BMW AG
| Categories | BMW Manuals, BMW X3 Manuals |
|---|---|
| Tags | BMW E83, BMW X3 2.5i, BMW X3 3.0i |
| Model Year | 2004 |
| Download File |
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| Document File Type | |
| Copyright | Attribution Non-commercial |
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