[Smokey 300 tdi]

Only blue smoke if there is more oil,we are talking about a drop or sweating,it is so little I don't thing you will see this on a compress test.

[Smokey 300 tdi]

If the exhaust billows white smoke for a few seconds when first starting the engine after it has been sitting for a while, such as overnight, and then runs normally, it could mean that the rubber valve stem seals have perished - especially if the vehicle is a few years old

It must be something like this or in a very rare cases one of the valve guide.

had it ones with a 2.5 diesel (78000km) and ones with 300tdi (127000km)

i have seen you list of work done and there is not much left,

[Defender Puma Workshop Manual]

is it still possible to have a copy of the workshop manual and Maintenance Schedule of the 2.4 puma