Castrol gtx.

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The M62 is a decent engine, most BMW engines are excellent, all I'm saying is in this application the Rover V8 was probably more suited to towing and off-roading, the Thor Rover V8 4.6 has far, far more torque under 3K revs – night and day - not even close. The later Jag engine was lighter, had more torque and power and was more fuel efficient than the beemer lump – but then it should be, it's a more modern engine.

Many of the BMW nikasil problems were actually not nikasil problems at all, they were due to incorrectly honed bores. (i.e. a manufacturing fault) the same fault appeared in the all alloy six. The nikasil problems which affected early Jag engines (97-99) were genuine nikasil problems, a reaction with sulphur caused the nikasil to flake. BMW used the nikasil excuse to hide the fact that they mismanufactured hundreds of thousands of engines before they realised. BMW also replaced many engines without telling the owners, my mates brand new 328 started burning oil, BMW said there's a fault with the anti-emissions system and the parts are on back order, a month later he got his car back, when he went to sell the car on to buy an M3 the AA man spotted the engine numbers do not match, BMW bought my friends 328 off him to keep him quiet and sold him the M3 cheap – which then blew up but that's another story...

Yes we do get mugged by the oil companies, “our” oil (the finest and lowest sulphur crude in the world) gets shipped off to the US while we refine Saudi crap for our use.

We need the Saudi crude for the plastics industry. North sea crude is best for motor fuel, but as useful as tits on a Mars bar for making plastic.
 
3000 miles??! Some people just get carried away with their oil changes. That's just wasteful.

I change the oil & filter on my little used classic once every 12-18 months regardless of it's low mileage, sometimes less than 2k. For what 5ltrs. of a decent mineral oil & a filter costs I figure it's worth it.
 
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