E36 95' 318i conv knocking & whinning noise
Hi all, I a newb, and I need help on diagnosis...I hear car knocking.. after starter was changed, the knocking got louder..more when cold started then gets mild knocking while driving. Im also hearing a whinning noise as I accelerate to shange gears
1. motor mounts have collapsed...I was told not to change them because I have a blown head gasket, causing the knocking. Well I had another BMW Indep. read message which stated that knock sensors were bad....I purchased the sensors,,but then he said I could be getting a miss read signal if something else is causing the knocking. So I am so confused...sometime I hear a clanging when down shift to 2nd or first....I read somewhere that maybe bolts are just loose holding the gearbox which could cause engine knock... Most important...if you take your hand and gently press down on the top of the engine, the knock gets louder...So Could it be the collapsed motor mounts after all? or something else
Please any advice will help..i have 180K on car .I can not afford a dealer and seems like everyone is guessing.