[rajesh4444]

Hello, i recently did a motor swap on a n63 bmw 550i engine
i am getting the following codes in which i cannot seem to find why i am getting this error
120408 charging pressure control swith off pressure build up blocked
121002 charge air pressure sensor electric short to ground
i cannot seem to find any resources on where the air pressure scontrol system is
the car runs in limp mode
check engine light is on
runs horrible please help me with this

[Hornet-01]

Originally Posted by rajesh4444

Hello, i recently did a motor swap on a n63 bmw 550i engine
i am getting the following codes in which i cannot seem to find why i am getting this error
120408 charging pressure control swith off pressure build up blocked
121002 charge air pressure sensor electric short to ground
i cannot seem to find any resources on where the air pressure scontrol system is
the car runs in limp mode
check engine light is on
runs horrible please help me with this

check the bypasses, they are located on the left and right on the chargepipes, it’s also worth checking the inflation valves, there are 4 of them, the top 2 usually fail.

it's easy) if you have any questions write to me)