Quaife diff in a BMW v Sierra housing

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jeffhallifax
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Quaife diff in a BMW v Sierra housing

My car has the BMW box.  Does anyone know if the following fits or is it a different model?

Quaife ATB differential: Ford Sierra 7" diff Caterham 7 spec (QDF15Z/23dg) QUALSD5/23

Jeff

David_Long
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The differential carries the bearings and crown wheel - they are different between the BMW and Ford. So no, it won't fit.

K7 VCT
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Did u mean a Mazda gearbox ? No BMW ones , Ford or Mazda

Orange is my new black

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jeffhallifax
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It's actually a BMW diff housing not gearbox.  As a matter of interest how can I tell if I have a Ford or Mazda gearbox?

oilyhands
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Quaife do an ATB for most BMW diffs, but the Sierra one wont fit.

Oily