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Re: speedo sender (archive)
[ Follow Ups ] [ 6-series (E24) Message Board ] [ Msg. Board FAQ ]
Posted by Rod... on December 29, 1999 at 11:29:18:

In Reply to: speedo sender posted by Bill D. on December 28, 1999 at 21:23:45:

: my 1984 633 has a electronic speedo sender in the differental. Iit does not appear to be removable. My question is if I change rear end ratio gears will I have to replace a drive gear on the speedo sender? How does it work anyway does it just count axle rotations with a magnet or is it a generator driven by gears?
: Bill D.

The new gears will work with the exsisting pickup. The magnetic speedo pickup uses a segmented disc on the axle shaft and therefore the axle ratio does not effect the speedo pickup.

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