Re: '97 740i - Experiencing a squealing engine noise??
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I have a 1998 740il which had the same noise from in between the engine and tranny.My mechanic showed me that it was coming from the tranny and proved it by spraying water into a hole on the bottom of the tranny and suddenly the noise dissapeared but came back when the water was dried out.He told me it was my torque converter but I will take it to the dealer for a second opinion.I'll update!My car also blows white smoke and idles poorly with 126,00 miles after one week of purchase.It seems that all 740il cars have these symptoms.I found a leak under my intake and it is problably causing the poor idle.