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Old 02-20-2007, 12:07 PM   #8
MNBoxster
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Join Date: Sep 2005
Location: Minneapolis/St. Paul, Minnesota, USA
Posts: 3,308
Hi,

The digital gauge is not very accurate at all. It is accurate so far as being full (under the proper circumstances - Cold, 1/2-1 Hr. at rest), other than that it is very inaccurate. Use the Dipstick, this is the most accurate way. Also, the M96 engine, w/ it's quasi-dry sump holds almost 10 Qts. of Oil. Don't obsess about having it Full all the time, this is unecessary as anything between the lowest and second to the top bar on the digital gauge, or between the hash marks on the Dipstick is OK.

If you obsess about keeping it always at the Top, you run a great risk of overfilling the system which leads to foaming of the Oil and increased metal part wear in the engine.

Each Bar on the digi-gauge represents 1 Cup (8oz.) of Oil. Better to allow it to drop two or three bars before topping it up to avoid overfilling, which is quite easy to do. If you overfill, you MUST drain the excess amount for the reasons stated above. The capacity of the system is so large, that there is no risk of Oil starvation, except perhaps on a Track. Everything between the Upper and Lower marks is OK, there is no More OK or Less OK. OK is OK...

Happy Motoring!... Jim'99
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