Hi,
try here......
http://www.meeknet.co.uk/E38/Pump/Index.htm
If you need anymore help let me know.
Rich.
Hi Bob,
the links to the repair instructions you require are at the bottom of the repair instructions in the link above for draining the coolant. But it is not entirely necessary to do this.
The tensioner for the air-con belt will be clearly visible once the undertray has been removed. It has a sprung tensioner lower and between the pump and crank pulleys.
Hi Bob
the repair instructions or that website are direct from the dealer network.
It's vitally important that the seals on tubes are replaced, they will leak if you use the old ones. Try to reach them with a long screw driver or pick or anything just to get them out. If you cannot relocate them then you'll have to remove the inlet manifold which is going to open up a whole new world of pain. Replace the seals, clean up the surfaces they locate into best you can and use plenty of silicon spray or lube to get them back in. A small amount of instant gasket will help to seal.
I think the part numbers you need for the seals are on the link.
Other than that I dont know how much more I can help you. I have to say it can be a struggle to get the pipes back in but it is possible, but failing this you'll have to remove the intake manifold meaning replacing all those gaskets too.
Best of luck.
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BMW Technician
5 years main dealer experience.