Quote:
Originally Posted by Nik
...SAE10-60W Castrol Edge Sport. It's an M series Engine oil. Works for Stressed engines. X 4.4 is a big and perfomance engine(540).
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286bhp from 4.4 litres is not stressed !! 56bhp/litre. M engines are over 100bhp/litre.
Quote:
Originally Posted by Patrick-Irish
...I used the Mobil 1 0W-40. And ever since the engine has been making a lot more noise.
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I've only just bought an X5, but I've had a lot of other BMWs (mainly E36s) and never had much luck with 0w oils. They've always seemed happier with 5w30 or 5w40.
Steve.
01-29-2011, 06:56 AM
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