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Cold start rattles / chattering Printed From: Bavarian-Board.co.uk - BMW Owners Discussion Forum Category: Technical & Model Specific Forums Forum Name: BMW 5 Series Forum Discription: This forum will deal with any issues on the BMW 5 Series (E12, E28, E34, E39, E60 & E61) URL: http://www.bavarian-board.co.uk/forum_posts.asp?TID=32232 Printed Date: 28-April-2024 at 20:35 Topic: Cold start rattles / chattering Posted By: laskasasha Subject: Cold start rattles / chattering Date Posted: 23-July-2006 at 15:55 My E34 525 24V M52 engine which is carrying 163K which has developed a rattle or chattering on a cold start. The rattle passes as the oil pressure builds and doesn't return on start up until the car has been left for more than 6 to 8 hours. I guess its something to do with a loss of oil to the cam shaft followers which as the oil pressure builds then perform normally?? Other than that the engine runs really well and sounds fine. I'm keen to keep the car going as long as possible and so any ideas on how to repair would be appreciated. Regards, Adrian ------------- Regards Adrian

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