Quote:
Originally Posted by Flay
Hmm, tomorrow my R1200S is going into the shop because of poor idling and occasional stalling issues.
Anything besides this causing similar symptoms?
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Fast problem tracking (after checking coils, plugs, TPS, sync state etc etc) :
1. remove the rubber air intake trumpets (and Rapidbike L micro chips if installed - that is: go for the OEM L sensors). Put the ADORI module and deactivate Rabidbike, if installed.
2. plug in some throttle bodies sync device (digital read out a must).
3. unscrew both idle actuators and check (turn ignition on/off) that the pistons extend and retract (although this is only a rough indication of what's going on). Note: special tool is required (torx with hole).
4. start testing and use an infra red gun to measure exhaust header temperature (should be in a 5 oC max difference - a greater value indicates rich/lean difference due to differences in idle piston position).
5. if necessary use your finger to "disturb" the idle piston up-down movement (if it doesn't reset chances are that this is the faulty thing).
6. ....
PS1 :
Throttle Body Sync using GS-911 - BMWSportTouring Forums
PS2: see Don Eilenberger reply