635 CSi - wont even turnover when hot (archive)

My 88 635 CSi wont even try to start when hot, it doesnt even turn over. Leave it for 90 mins or so and it starts fine. It will usually start ok within 10 mins of stopping whaen hot so getting petrol is ok but if I want to stop somewhere for lunch I have to make it a long one! Strangely jump starting from another car will start it. Its not the battery or alternator, both tested fine and the battery was renewed in March 01. I suspect the imobiliser (Cobra)but the supplier says its fine. Any ideas or suggestions welcome

Follow Ups:

Connections? sixthreethree 09:18 6/18/2001 (1)
- Re: Connections? Matt S 11:59 6/18/2001 (0)
Re: 635 CSi - wont even turnover when hot Carl Henrickson 08:13 6/18/2001 (0)
Re: 635 CSi - wont even turnover when hot Walter OH 84/733i 87/325i 83/635csi Euro 07:22 6/18/2001 (0)
Re: 635 CSi - wont even turnover when hot Bryan HnlEuro635csi, 750il 06:54 6/18/2001 (1)
- same problem with 88 Tom Whaley 14:11 6/18/2001 (0)

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