i have removed all wheels to make a decent deep clean, and wash the car too... now its all shining! oil change too, and clean all eletronic conectors, after the oil change the engine run more smoth and stoped the bangs between the gears change and decelerations... but this i dont like, because this pop-pop-pop is a musk to me, now im in anxiety to the new oil become dirt and the pops return to engine... 
