[2013m5]

Banjo bolt.
M10 => 22Nm
M12 => 35Nm

[ivanp]

Thank you, it is a M12 ... i was close ...
However, next time when i need to touch such a bolt ... I wouldn't do it until i have a spare one available and a good set of taps around...
did a short trip 100km, no errors and no air leaks around the exhaust manifold - i have reused the gaskets.

[ivanp]

going crazy - after months the errors are back:
4933 Air system, air to EGR mass flow, plausibility
497D Pressure sensor, plausibility while afterrunning: Exhaust pressure before turbocharger not plausible with ambient pressure

It seems to be related to warmer weather - it started once the temperature were over 10 degrees celsius...
no idea what else to check - egr is new, cooler, intake manifold are clean clean, just a tiny level of dust. backpressure at idle again is unexptectedly low at 200k km ...regenerations seems to be done in time, the pressure sensor before turbocharger is new - only if it is broken as new, i have changed this evening back to the another old one - to see if the behaviour is the same...

[ivanp]

My saga continues ... I have replaced the pressure sensor from intake manifold and also the temp sensor from before throttle valve ... lets see if something will change.
If not - with egr new - it remains just the MAF sensor ...

[bellphegorus]

what Error Codes have it now?

[Node]

Have you tried running air mass system test in ISTA?

[ivanp]

what Error Codes have it now?

Helllo,

The ones which appears from time to time, more often lately 
4933 DDE: Air system, air to EGR mass flow, plausibility
497D Pressure sensor, plausibility while afterrunning: Exhau st pressure before turbocharger not plausible with amb ient pressure

Regeneration is done correctly, backpressure at idle is 6mbars something.
It is manifesting just when driving in the city when staying in lines - the DDE led is on on dashboard and the car cant accelerate as usualu. After a while (2-3 km), DDE led still on - but the cars accelerate just fine. The DDE led becomes off once i start to run at a higher speed - 40-50km/h for 2-3 mins.
It started to manifest more often once the weather became sunny.

I think I have executed that air mass system test in ista but i will try it again.

Thank you  for help!