drinkingparrot
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- Feb 4, 2005
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I have started to feel vibration in my gearbox, particularly in 3rd and 4th gear from around 2600rpm up to 3000rpm. I first noticed it a couple of months ago when I was cruising along in 4th gear and initially put it down to something stuck to a tyre which is what it feels like. I soon realised when I changed up to 5th it disappeared, and so I started to run up and down the box looking for the rumble. I can also feel it in 3rd but it's a higher frequency than 4th, and really does feel like a stone stuck to the tyre or running over a set of road markings close together. It's very light and isn't that obvious, and unless you knew it was there I don't suppose you would feel it straight away, if the road surface is very rough you cant feel it the same it all blends together. I took it to the dealer who's technician took it up the road and returned back into the workshop where I watched him strip out the drive shaft and check the final drive. The keys were returned to me with the report that he could not fault the gearbox and I should take it for a ride to see if anything had changed. I got home and phoned them back to ask if the technician had experienced what I had described, which he admitted he had, but said some of them did that ?. I now have a technical query going on with BMW who up to now have tried to describe it away as gearbox harmonics ?. Anybody else with the same ?, I cant accept it myself, I'm a bit disappointed at the minute