BMW X5 E53 4.4 EU version help needed with Engine failsafe (Motornotprogramm)

[gadden]

Hi all,

as the title says, after spending a nice amount of money on replacing the valve covers gaskets (leaky) + other various bits (back end suspension + coil connectors, some coolant hoses) I know have a random Motornotprogramm error

I found a broken vacuum line (now fixed) but that wasn't it.
As my brother drove the car initially after the gasket repair and the problem happened after he went through some water (not too big according to him), 1000 km after im still getting it randomly, although still drivable. Initially it was not, car went off at every stop, now a lot better but still...

One time it starts and goes off right after, next its driving normal, but mainly i have a bit of delay in the cars response when driving at low speeds. Almost feels sluggish when i tap the gas, a sec later it rockets as if I've pressed it halfway. Sometimes the rpm is steady sometimes not. Im totally lost now..

I can't find anything related to that error, any advice/tips where to look at are very much appreciated.

Inpa shows :

Variant: ME72KWP1 1 Error in error memory Error registration 1 : 0x0087: DK-controller Error to Amplifiers adjustment <<<<!!! Error accurances: 1 Logistic counter : 40
Error accure 1st time at:
Supply voltage 11.96 V Intake air temperature 33.00 Grd C voltage DK-Potentiometer 1 0.80 V udkp1a_u 0.72 V
Error currently available Error tested -- -- -- -- -- -- -- -- -- DK-controller Amplifier adjustment faulty current, -- -- -- DK-controller Amplifier adjustment faulty Initial, E-Flag debounce CARB debounce

2.:

Error registration 2 : 0x0087: DK-controller Error to Amplifiers adjustment <<<<!!! Error accurances: 3 Logistic counter : 40
Error accure 1st time at:
Supply voltage 12.15 V Intake air temperature 44.25 Grd C voltage DK-Potentiometer 1 0.82 V udkp1a_u 0.74 V
Error accure 2nd time at:
Supply voltage 12.15 V Intake air temperature 46.50 Grd C voltage DK-Potentiometer 1 0.82 V udkp1a_u 0.74 V
Error accure last time at::
Supply voltage 12.15 V Intake air temperature 54.00 Grd C voltage DK-Potentiometer 1 0.80 V udkp1a_u 0.72 V
Error currently available Error tested -- -- -- -- -- -- -- -- -- DK-controller Amplifier adjustment faulty current, -- -- -- DK-controller Amplifier adjustment faulty Initial, E-Flag debounce CARB debounce -- -- -- Fault sporadic

Thanks in advance and BR