I've just contacted BMW owner's circle in South Africa re my 1995 328i.
According to them it has the motor with Nikasil coating in the cylinders.
It has done almost 90,000 miles, yet no problems. From what I've heard,
South African fuel contains a lot of sulphur. Can anyone explain why my car
has never had any of the symptoms?
Some vehicles do appear to have been unaffected, even in high sulphur
petrol regions, though it seems to be rare.
How long have you had the car? Could it be the engine had been
previously replaced? (Many owners simply don't know; the engines were
replaced as low as 20,000 miles -- our 328iAT had a new engine at
19.700 miles. There's no easy way of telling with the 6-cylinder
engines.) How do you know it's not affected -- have you had the
To answer the question re how long I've had the car - 3 months. Full
service record BMW only, so BMW South Africa should know if the car has a
Nikasil coated block. If it suffers from leakdown, then it is good for my
fuel consumption. A friend of mine has a 1998 model which is much (25 -
50%) heavier on fuel than mine, and his car does not have the Nikasil block.
Maybe BMW replaced the sleeves with steel many years ago and forgot about
it. Let's hope for my sake!
Oh, something else I noticed when I had the car through road worthy. There
was a small difference between the engine number on the block and the engine
number on my registration papers. I think I should investigate this
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