E30 Zone

M42 engine 318is

around 3k horrible whining noise starts at 4k dissapears at 4k any ideas anyone i put this down to thurst bearing on its way out although quite unsure...?

also layshaft bearing,diff or wheel bearing

defiantley not a wheel bearing its coming from engine bay and definately not the diff thank god, is there a possiblity that its something to do wiht the clutch at all though i mean, im having continuou problems with the cluttch hydraulic system, i converted the car to a manual and fitted everything but then when i came to fitting the hydralic pipe to the m42 slave cylinder i accidently screwed the fixings up and fooked the slave cylinder basicly.. so lucky for me or so i thought i had a cylinder kicking about form a m40 1.6 gear box, now the clutch works dont get me wrong, however i cant bleed it..?? and 2nd gear crunches when coming down the gears..

think you have probaly answered your own question there