I hope you did not damge the synchros. Do you shift IN and OUT out gears with clutch pedal depressed? Or did you shift out of gear WITHOUT using the clutch.
These are driving habits that can kill a particular gear such as 4th.

Time to go over this article by Larry Carley: "The Ins and Outs of Manual Gear Box Repair":

http://www.aa1car.com/library/2004/ic20428.htm

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QUOTE:
"MANUAL TRANSMISSION DIAGNOSIS
A transmission that jumps out of gear may be due to bent, binding or loose shift linkage, a loose transmission or clutch housing, worn or damaged input shaft bearings, broken motor mount, worn tapered gear teeth or synchronizer hub splines, loose shifter fork or rails, interlock hardware that is broken or missing, or excessive end play or runout in the output shaft or countergear......"

HTH

CNN-090 98 528i 5sp 98K

• E39 manual transmission/5 speed - jump from 4th - bazil 2007-12-20 06:28:10 (136 views)
  • First place I'd look - dave535i 2007-12-21 15:23:18 (107 views)
  • Re: E39 manual transmission/5 speed - jump from 4th (url) - CNN-090 2007-12-21 10:54:16 (142 views)
    • Re: E39 manual transmission/5 speed - jump from 4th - bazil 2008-01-08 10:16:55 (90 views)