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Re: Scary Flat Spotting (archive)
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Posted by Bigbob 85 745iA on January 13, 2002 at 12:48:05:

In Reply to: Scary Flat Spotting posted by Matt B on January 13, 2002 at 06:09:25:


The most terrible thing (so far) on my 735i happened yesterday. It was a warm day (read 35 - 40C)and I had been driving for about 30 - 40 mins and then the car started to flat at 2000RPM and then ant 3k and 4k and was shuddering all the way up the rev range! Am I right in thinking I need a new set of spark leads? If so what do people recommend. The factory ones are pricey, so I'm thinking about going generic.
If anyone can shed some light on this that would be great.
Oh its a '81 735i manual RHD

Matt,
This can also happen when the in-tank fuel pump begins to start failing. I would pull the in-tank pump from the trunk and see if the filter screen is clogged with sedement. I've found this to be the case with many of these older cars.

Bigbob


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