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E30 16" Alpina wheels: Centre cap question.

Posted: Wed Nov 16, 2011 4:23 pm
by trisman
Hi,

Okay... The 16" four-stud Alpina E30 wheels.

Does anyone know for certain the diameter of the center-cap?

(I'm talking about the genuine ones with the lock & cover).

Also, was there a 15" four stud version for the E30?
Did it take the same center cap?

Finally, the Alpina part number that is cast-into the rear of the cover would be handy too!

Cheers! :D

Re: E30 16" Alpina wheels: Centre cap question.

Posted: Wed Nov 16, 2011 4:48 pm
by Monkey27
I am this in PDF format though I can't remember where I downloaded it from.

PM me your email address and I'll send it to you, its in German but all the Part numbers are in english with pictures. I can't comment on the 15" version of the Alpina wheel.

Re: E30 16" Alpina wheels: Centre cap question.

Posted: Wed Nov 16, 2011 5:02 pm
by Monkey27
PM received email sent :)

Re: E30 16" Alpina wheels: Centre cap question.

Posted: Wed Nov 16, 2011 5:16 pm
by trisman
Thanks, that's very helpful!! :D

It does confirm that the four stud wheel caps are smaller than the 5 stud ones (seems reasonable!) and it looks like they're around 125mm in diameter
(I was told they're around 138mm or so? 5 stud caps are 158mm).

Re: E30 16" Alpina wheels: Centre cap question.

Posted: Wed Nov 16, 2011 5:21 pm
by Monkey27
trisman wrote:Thanks, that's very helpful!! :D

It does confirm that the four stud wheel caps are smaller than the 5 stud ones (seems reasonable!) and it looks like they're around 125mm in diameter
(I was told they're around 138mm or so? 5 stud caps are 158mm).
No probs, glad you found it useful. The four stud caps will be bigger then 125mm as the O ring will need to be tight when it goes on behind the cap. Someone on here who has 16" Alpina 4 studs can confirm the exact dimensions of the Cap.