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Old 05-07-2000, 11:12 PM
jeffsr jeffsr is offline
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Join Date: Jan 2000
Location: New Bedford, MA USA
Posts: 1,583
If you had leaks before, you will still have them. Synthetic oil does not produce leaks per se, but due to it's increased flow characteristics, it will make pre-existing leaks seem worse. Changing back and forth will not make leaks go away.

Jeff L
1987 300e
1989 300e
1987 BMW 325
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