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BMW - "Would you accept these discs?" in Cars


Old 05-11-2006   #11
.... ..
 
Default Re: Would you accept these discs?


<adder1969@yahoo.co.uk> wrote in message
news:1147340337.323726.286740@g10g2000cwb.googlegr oups.com...

Mike G wrote:
>
> They certainly don't look thay way to me. To me they look like well worn
> discs that need replacing. Unless the camera is lying, the second from
> last
> pic clearly shows the inner flange considerably thinner than the outer,
> and
> the last shot appears to show that side to be well worn with grooves..
>
> My advice would be for the OP to send them back, and buy a new pair. Good
> make 740 pattern discs can be baught for around £35 each.
> I'd certainly rather fit new discs rather than the s/h and well worn ones
> he's baught. No matter how good they are supposed to be.
> Mike.


These were 40+vat which is pretty much the same as everywhere. I guess
the discs were cast then turned down on one side, badly, to make them
the required thickness.

No way. Both sides should be the same for even heat distribution.
The ones you have have worn that way.
The price I gave was for new Bremtech discs from
http://www.brakeparts.co.uk/
Mike.

 
Old 05-11-2006   #12
.... ..
 
Default Re: Would you accept these discs?


<adder1969@yahoo.co.uk> wrote in message
news:1147340337.323726.286740@g10g2000cwb.googlegr oups.com...

Mike G wrote:
>
> They certainly don't look thay way to me. To me they look like well worn
> discs that need replacing. Unless the camera is lying, the second from
> last
> pic clearly shows the inner flange considerably thinner than the outer,
> and
> the last shot appears to show that side to be well worn with grooves..
>
> My advice would be for the OP to send them back, and buy a new pair. Good
> make 740 pattern discs can be baught for around £35 each.
> I'd certainly rather fit new discs rather than the s/h and well worn ones
> he's baught. No matter how good they are supposed to be.
> Mike.


These were 40+vat which is pretty much the same as everywhere. I guess
the discs were cast then turned down on one side, badly, to make them
the required thickness.

Just to add to my earlier post. New discs are never turned. They're always
ground.
It's the best way to get a smooth and true surface.
The marks on the ones you've baught are certainly caused by wear.
Mike.

 
Old 05-11-2006   #13
..der19.. ..hoo.co...
 
Default Re: Would you accept these discs?


Mike G wrote:
> These were 40+vat which is pretty much the same as everywhere. I guess
> the discs were cast then turned down on one side, badly, to make them
> the required thickness.
>
> No way. Both sides should be the same for even heat distribution.
> The ones you have have worn that way.
> The price I gave was for new Bremtech discs from
> http://www.brakeparts.co.uk/
> Mike.


The discs are more or less the 30mm nominal width but I agree it
doesn't seem ideal to have one thick side and one thin one.

 
Old 05-11-2006   #14
.... ..
 
Default Re: Would you accept these discs?

adder1969@yahoo.co.uk wrote:
> Dave Plowman (News) wrote:
>
>>In article <p3z8g.608$Lh.212@trnddc01>,
>> Jack <grampajackremove@thisverizon.net> wrote:
>>
>>>It certainly appears that these discs have been installed and used
>>>briefly before they were sold to you. It's hard to know exactly what
>>>cir***stances led to this situation but the reality of it is that these
>>>discs look exactly like they would one day after you installed them
>>>whether they were 'new' or not. Certainly its not worth the wait and
>>>the shipping expense of returning them just to have them be pristine
>>>for that one day. Your old discs belong in the recycling yard; put
>>>these on the car.

>>
>>But *why* would anyone remove part used discs and return them to the
>>supplier? Warped, perhaps?
>>
>>You pay for new discs - that's what you get.
>>
>>

>
>
> These were from buypartsby or auto spares group or some other name they
> trade under and were the "expensive" delphi discs. They look like
> they've been turned by a ham fisted blind man.
>
> I'm concerned that they'll wear funny (like the old ones) if I put them
> on the car as is and liek you say I paid for new ones so I should get
> new ones. It loosk like someone else has returned them previously.
>
> When I've put new discs on other cars the proper finish on them has
> certainly lasted more than a day.
>


The kicker is that one side is thicker than the other. Those disks are
going to warp like a potato chip is no time. Ditch them...

--
-Fred W
 
Old 05-11-2006   #15
..ifffreeli.. ..hoo.c..
 
Default Re: Would you accept these discs?


adder1969@yahoo.co.uk wrote:
> Further to my brake disc upgrade my new discs came but they don't look
> much better than the ones that came off!
>
> C**** on the photo here and look at the latter photos...


I wouldn't install them on my car. They certainly don't look new.

--
Cliff

 
Old 05-11-2006   #16
....
 
Default Re: Would you accept these discs?

So put them on to see if they spin true. If they are warped you have a real
reason to return them.



"Dave Plowman (News)" <dave@davenoise.co.uk> wrote in message
news:4e2540fc65dave@davenoise.co.uk...
> In article <p3z8g.608$Lh.212@trnddc01>,
> Jack <grampajackremove@thisverizon.net> wrote:
>> It certainly appears that these discs have been installed and used
>> briefly before they were sold to you. It's hard to know exactly what
>> cir***stances led to this situation but the reality of it is that these
>> discs look exactly like they would one day after you installed them
>> whether they were 'new' or not. Certainly its not worth the wait and
>> the shipping expense of returning them just to have them be pristine
>> for that one day. Your old discs belong in the recycling yard; put
>> these on the car.

>
> But *why* would anyone remove part used discs and return them to the
> supplier? Warped, perhaps?
>
> You pay for new discs - that's what you get.
>
> --
> *See no evil, Hear no evil, Date no evil.
>
> Dave Plowman dave@davenoise.co.uk London SW
> To e-mail, change noise into sound.



 
Old 05-11-2006   #17
....
 
Default Re: Would you accept these discs?

The thickness difference apparent in the last photo can not be the result of
wear because the pads do not extend all the way to the edge. They were
manufactured this way.
"Mike G" <metier@lycos.co.uk> wrote in message
news:44630818$0$9269$ed2619ec@ptn-nntp-reader01.plus.net...
>
> <adder1969@yahoo.co.uk> wrote in message
> news:1147340337.323726.286740@g10g2000cwb.googlegr oups.com...
>
> Mike G wrote:
>>
>> They certainly don't look thay way to me. To me they look like well worn
>> discs that need replacing. Unless the camera is lying, the second from
>> last
>> pic clearly shows the inner flange considerably thinner than the outer,
>> and
>> the last shot appears to show that side to be well worn with grooves..
>>
>> My advice would be for the OP to send them back, and buy a new pair. Good
>> make 740 pattern discs can be baught for around £35 each.
>> I'd certainly rather fit new discs rather than the s/h and well worn ones
>> he's baught. No matter how good they are supposed to be.
>> Mike.

>
> These were 40+vat which is pretty much the same as everywhere. I guess
> the discs were cast then turned down on one side, badly, to make them
> the required thickness.
>
> No way. Both sides should be the same for even heat distribution.
> The ones you have have worn that way.
> The price I gave was for new Bremtech discs from
> http://www.brakeparts.co.uk/
> Mike.
>



 
Old 05-11-2006   #18
.... ..owm.. ..ew..
 
Default Re: Would you accept these discs?

In article <B8I8g.41000$yU6.19369@trnddc05>,
Jack <grampajackremove@thisverizon.net> wrote:
> So put them on to see if they spin true. If they are warped you have a
> real reason to return them.


You might be happy with returned used goods at full price. I doubt many
others would be. Certainly not me.

--
*Wrinkled was not one of the things I wanted to be when I grew up

Dave Plowman dave@davenoise.co.uk London SW
To e-mail, change noise into sound.
 
Old 05-11-2006   #19
.... ..
 
Default Re: Would you accept these discs?


"Jack" <grampajackremove@thisverizon.net> wrote in message
news:GdI8g.41002$yU6.37142@trnddc05...
> The thickness difference apparent in the last photo can not be the result
> of wear because the pads do not extend all the way to the edge. They were
> manufactured this way.


I don't think you can make that ***umption.
Sure the pads don't extend over the inner and outer edge of a disc, but
having the facilities at work, on occasion I've just machined the ridges
off, before fitting new pads. I'd suspect that has been done to the ones
shown. Either that or they are ones made for a different car, that have been
machined on one side to achieve the correct mounting flange to disc centre
dimension. IOW they've been bodged to fit.
I wouldn't be happy fitting them to my car,especially when brand new good
quality Bremtech ones can be baught for less money.
I have Bremtech front discs on my Toyota Celica GT4 turbo, and they're fine.
I'll certainly not worry about putting them on my E34 when they need
replacing in a few months time.
Mike.

 
Old 05-11-2006   #20
....
 
Default Re: Would you accept these discs?

I just think that being overly fussy about the cosmetic appearance of
something like a brake disc is silly and just raises the prices for
everyone.


"Dave Plowman (News)" <dave@davenoise.co.uk> wrote in message
news:4e256cbb13dave@davenoise.co.uk...
> In article <B8I8g.41000$yU6.19369@trnddc05>,
> Jack <grampajackremove@thisverizon.net> wrote:
>> So put them on to see if they spin true. If they are warped you have a
>> real reason to return them.

>
> You might be happy with returned used goods at full price. I doubt many
> others would be. Certainly not me.
>
> --
> *Wrinkled was not one of the things I wanted to be when I grew up
>
> Dave Plowman dave@davenoise.co.uk London SW
> To e-mail, change noise into sound.



 

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