Quote:
Originally Posted by SenorFunkyPants
Seems like there are two issues here:
Baulking into gear - usually there is a "baulk" ring in the gearbox whose purpose is to resist the selection of a gear until the synco ring has matched the speed of the selected gears to provide a smooth engagement.
Grinding into gear - caused by (assuming the clutch is disengaged) - brute force shifting, trying to shift too quickly before the synco ring has speed matched the engaging gears.
In either case the answer is in the timing..there is a speed for every upshift that would give a perfect shift even if you had no syncro mesh at all, you just have to practice until you find it. Similar with baulking on the downshift, you have to add a little throttle, timed so that the engine speed matches the gearbox "speed" when you engage the gear (may need to double declutch if the box is cold or extra reluctant).
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'Baulking' I experienced w/ 2008 M3 was when trying to downshift into 1st gear at certain speeds. It was clearly resisting. Fixed that by going w/ DCT on the next lease.
1st-to-2nd shifts were, however, grinding. In my case, it was always at low-RPM shifts. High-RPM/WOT 1st-to-2nd shifts were always smooth.