Hitman0187

while changing the oil this weekend I noticed a tiny drop of oil on the o2 sensor wire that crosses over the transmission and no where else. I wiped it down drove until today put it on ramps and its back again. I can not see any place it could be coming from. Any ideas?

MarcusF

I'm guessing its the passenger side O2 sensor and possibly the valve cover gasket is leaking.

Hitman0187

I will run my hands around the valve cover on the passenger side and see what happens, the driver side is def. dry
thanks!

jserio

If it's not the V Cover gasket my second guess would be the rear main seal. Mine is leaking a tiny bit. Dang German cars. A zillion innovations and not one very reliable . They make a nice car though.