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Old August 29th 06, 01:50 PM posted to alt.autos.bmw
Cords
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Posts: 7
Default Reboring /sleeving 740 4.4 engine


wrote:
> Cords wrote:
> > I had unfortunate incident at a BMW dealership. Whilst sevicing My 1997
> > 740 4.4 litre the technician accidently dropped the screw top of the
> > spark plug into one bore. Needless to say on start up destroyed the
> > head and scored the cylinder. The dealership now wants to machine the
> > bore and put in a metal liner.
> > Is this possible on a aluminium alusil engine?
> > I would have thought the correct thing to do would be to replace the
> > block or the entire engine!
> >
> > Any advice would be appreciated
> > Cords

>
> I would have thought that the replacement option would be easier and
> just as cost effective. I would guess that the piston and maybe the
> con-rod is damaged too.


Thanks...will follow up on the rod and piston!

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