General Category > ABS related issues
Measure the pressure sensor...
			Jughead:
			
			Yoh!  Difficult question.  Unfortunately with these pumps it is very much a matter of trial and error.  I would replace the sensor to start with.
		
			knappen:
			
			i replaced the whole ABS unit/pump i hade a used one... 
But now i wonder how does the Bleeding work with the GS-911?  I run the software... right? But do i have to open any nipple to let the air out... if so... witch one? The ones on the wheels or on the ABS unit( witch one of the 6 ? )
		
			mike d:
			
			The GS-911 Bleed test is just that. A test to see if you have any trapped air in the system AFTER you performed the physical bleed operation.
The following is just one of a number of explanations on how to perform the actual bleed sequence. 
https://www.ukgser.com/technical/nick/Brake%20bleeding%20(All%20BMW%20EVO%20systems,%20%2704-%2707).pdf 
Mike
		
			Jughead:
			
			
--- Quote from: mike d on May 23, 2020, 11:15:49 AM ---The GS-911 Bleed test is just that. A test to see if you have any trapped air in the system AFTER you performed the physical bleed operation.
The following is just one of a number of explanations on how to perform the actual bleed sequence. 
https://www.ukgser.com/technical/nick/Brake%20bleeding%20(All%20BMW%20EVO%20systems,%20%2704-%2707).pdf 
Mike
--- End quote ---
Agreed.  This is one of the best write-ups for bleeding these systems.
		
			knappen:
			
			okay thanks guys for the help :) 
		
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