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.