had some 'clunking' issues coming from the rear when shifting gears recently- had a look underneath and it looks like this:



I take it its the seal leaking here and trailing back along the diff? (Though it seems to have splashed up above too)?

None of the oil seems 'freshly leaked' and there's never any oil on the ground underneath, there's no strange noises or feel from the back end apart from changing gears it likes to 'thunk' sometimes- feels like a pulling a plunger off some tiles if that makes sense!!

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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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"music and women I cannot but give way to, whatever my business" -Pepys