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M42 timing



Your best bet is to chip the computer which advances the timing as part of
the upgrade.  It is recommended that you use only premium fuel because of
the advance. Keep in mind that if you are considering sliding the sensor
over to trick the computers ignition function you will also cause the fuel
injector to spray earlier on a closed valve. One thing that a I have heard
of to adlust the power band is to advance the cams to bring on power
earlier or split the cams to provide more overlap.

Patrick Spikes
95 Club Sport
87 325is

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