kick down on switch-able auto

Need technical Q/A then you're in the right place

Moderator: martauto

User avatar
j4gz
E30 Zone Regular
E30 Zone Regular
Posts: 502
Joined: Sat Aug 30, 2008 11:00 pm
Location: avon& somerset

Post Sat Jun 14, 2014 4:08 pm

ok i took the motor out for a good run along the m4 and noticed while driving that when i took my foot of the accelerator at around 80 the kick down automatically started revin up and changing gear down about twice what is this issue i also have a mild chip from here could that be part of the cause as i don't think it is normal it wernt in sports either ?
User avatar
j4gz
E30 Zone Regular
E30 Zone Regular
Posts: 502
Joined: Sat Aug 30, 2008 11:00 pm
Location: avon& somerset

Post Sun Jun 15, 2014 11:51 pm

any advice for me guys on this thread ?
User avatar
j4gz
E30 Zone Regular
E30 Zone Regular
Posts: 502
Joined: Sat Aug 30, 2008 11:00 pm
Location: avon& somerset

Post Mon Jun 16, 2014 12:45 am

diable wrote:Is in D and is the SEM switch ok as if its "loose" it can switch unnecessarily.
yeah always in D and what is the SEM switch ? is that the switch-able selector ?
User avatar
mark_i
E30 Zone Regular
E30 Zone Regular
Posts: 972
Joined: Thu Aug 10, 2006 11:00 pm
Location: Widnes

Post Mon Jun 23, 2014 5:47 am

I had the same problem with an EH auto...
replaced the soggy gearbox mounts and correctly adjusted the shifting linkage and all sorted :D