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Old 04-18-2000, 01:36 PM
Posts: n/a
I thought I'd read recently that oil such as Pennzoil Long Life 15w-40 is preferred for general use within the specified heat range. The folks at the store expressed that oil is intended only for use in Diesel engines. Any clarification would be appreciated. I looked for previous posts but couldn't find the reference….

'91 300 TE 4-matic
'88 528e
80 928
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