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BrickSykes
Joined: 05 Jun 2008 Posts: 17
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Posted: Tue Jul 22, 2008 3:32 pm Post subject: Cam Spray Banjo Bolt |
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I've just revived my '85 635CSi after a 4+ year slumber. The M30 runs very well for having basically no tweaking, yet, but I'd like to check out the 'Banjo Bolt' on the valve train before I go much further. I've had no indication that there is anything wrong...no ticking, squealing, smoking...nothing, but I've heard so much about that possibility on these threads that I can't proceed before I check that out. So, will somebody here please read me the drill, and remedy, that will put my mind at ease? Direction to a hands-on website would be appropriate, or just word by word instruction here would be welcome. Thanks,
Brick |
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edjack
Joined: 04 Feb 2002 Posts: 3887 Location: San Jose, CA
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Posted: Wed Jul 23, 2008 7:23 pm Post subject: |
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Well-known problem. The rear bolt is the culprit. It loosens up, and the oil spray is greatly reduced. Just pull the cylinder head cover and check it. The front bolt is just that.
Adjust the valves whilst you're in there.
BMW has issued a Nylock banjo bolt. It has a circle embossed on the head of the bolt. Good idea to fit one.
Get a new gasket, too, whilst you're there. _________________
Ed BMW CCA member since 1987 (Nr. 62319).
'97 540i 6 speed Aspensilber over Aubergine interior. |
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BrickSykes
Joined: 05 Jun 2008 Posts: 17
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Posted: Fri Jul 25, 2008 8:48 am Post subject: Banjo Bolt |
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Thank you very much, edjack.
Brick |
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