Hello all, wondering if anyone can point me in the right direction !!! Ive had the 118 sport for about 2years,its done 50k serviced etc...on starting the car there is a fume smell comming from the vents?.... It comes and goes but seams tobe there when sat in traffic?.... Its been in the local garage twice and sods law doesnt do it when they have it!!!!... Popped the bonnet the other day and could see smoke coming from the bottom of the engine.drivers side near ????... There is no oil leaks or oil loss, no oil pools on the floor

Any help would be apprieciated !!