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  1. S

    Help with 91 BMW M5 - S38B36.

    I have been running M1 TDT in just about everything. Would it be a good fit here?
  2. S

    Help with 91 BMW M5 - S38B36.

    Hi all - I have a 91 M5 with the S38 engine. Anyone suggest a good oil? The engine is a detuned race engine from the factory... I was thinking about the good ol' GC, but wasn't sure. I live in Atlanta and the engine was rebuilt about 60k ago. Your opinion is appreciated!
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    Amsoil SS 0W30 in a 98 M3?

    The 10w-60 is only called for in the S54 and other more recent M engines. This engine is the S52 NA-version, and the dealer specified oil for this car is BMW's 5w-30 synthetic. Thanks!
  4. S

    Amsoil SS 0W30 in a 98 M3?

    Great info, Lazaro. Thanks for posting
  5. S

    Amsoil SS 0W30 in a 98 M3?

    Thanks for your input, folks. I dropped it out this AM. lbraim - The last fill was the BMW Synth 5w30 (per the dealership's suggestion..), and it made a little more valvetrain noise than I liked after a long, hard run so that's why I decided to give the TDT a shot. Also, I am not concerned with...
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    Amsoil SS 0W30 in a 98 M3?

    Bought some M1 TDT and feel content dumping that in. Like I said - I've been running it in my turbo Volvo for a long time and it's been flawless. I'll chalk this up to a weak moment with an Amsoil salesman and swallow the $70 loss.
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    Amsoil SS 0W30 in a 98 M3?

    The S52 doesn't require the unobtanium 60-wt stuff, so we're in good shape as far as that goes. Interestingly enough - it's running cooler and has a higher idle with the current 0W30 in there... I decided on the oil after reading this page; convincing, but I should have taken it with a grain of...
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    Amsoil SS 0W30 in a 98 M3?

    I just dumped a load of this stuff in yesterday, but today I noticed ( specs) that it's HTHS is low for this engine. I live in Atlanta and it's currently between 30 and 60 degrees, and will undoubtedly get much warmer in the spring and summer. An expensive mistake to learn, but I'd rather spend...
  9. S

    BMW S52 Supercharged - Oil Suggestions?

    Note - I also have a line on some Elf Excellium 5w40
  10. S

    BMW S52 Supercharged - Oil Suggestions?

    Hello all - I have a 1993 BMW 525iT (station wagon). I've dropped in an engine from a 97 M3 (S52), and also have recently installed a supercharger. The engine I installed had 80k+ on it. I live in Atlanta, so it doesn't get too cold.... I've been running Royal Purple since the last change...
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