a quick question about the gauge on my '91 300E- when my car is really warmed up- (after at least 30mins-hour driving) my oil pressure guage at idle and in Drive flickers between 1 & 2. If I shift into neutral it'll be a bit steadier at just under 2. At all times with acceleration it is normal (pegs at 3) and coasting 2.5

I know the oil is circulating better once it warms up but is it normal for the gauge to flicker like this?

I run 15w40.

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1993 320TE M104
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past:

1983 230E W123 M102
1994 E300D S124 OM606 (x2)
1967 250SE W108 M129
1972 280se 3.5 W108 M116
1980 280SE W116 M110
1980 350SE W116 M116
1992 300E W124 M103
1994 E280 W124 M104
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