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Old 08-21-2009, 06:21 PM   #22
VonHelm
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Joined: Oct 2007
Location: Grapevine, TX
Oddometer: 3,964
Quote:
Originally Posted by Tantalum Kid
"Get this bypass cable from a fellow forum member,in case you have future issues:
http://www.burnsmoto.com/bmw-fuel-pump-bypass-cable.php"

Thanks for the info on the bypass cable, and thanks to all that replied. It's nice to know that I'm not alone. Also, this may explain the long delivery for the replacement fuel pump controller, i.e. high demand.

The image of the failed controller shown on the page with bypass cable seams to have a lot of electronics inside. How complicated is this device? Especially if can be bypassed by a connection to the battery. Looks like its more than just a relay.

Jim
It's essentially just a big switching transistor.
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