29-06-2013, 08:26 PM
Right, problem with the beemer and I know its a long shot but someone might be able to help.
When accelerating hard I get a noise like the exhaust is blowing for a slight second and sometimes get a high piched wistle and I think it down on power. Any ideas as I know knob all about derv burners.
It a 525d e39.
When accelerating hard I get a noise like the exhaust is blowing for a slight second and sometimes get a high piched wistle and I think it down on power. Any ideas as I know knob all about derv burners.
It a 525d e39.