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Old 02-11-2020, 10:09 AM
Rattlesnake86 Rattlesnake86 is offline
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Multiple fault codes - possible bad intake manifold(?)

Hi guys,

I own a 2016 BMW F36, 420D, B47 engine.
Few days ago I accessed the connected drive, CarData section.
Among other things, I was surprised to see several fault codes stored.

They are the following:

16, CD0487, 97, E14600; 120,8011F9; 120,8011FA, 120.801237;

99 E1C440; 99 E1C448; 28.480134; 28, D014A1; 18,284E00; 18.279000;

18,2C3200; 18,290B00; 18,24CF00; 18,244D00; 18.279100, 18.245700;

114.804840, 114.804842; 64,8041A8; 64,8041BF; 64, D90D26; 64, D90D29;

The car has no symptoms and I have no check engine or any faults in the check control.

Today I made a computerized diagnosis at an Indie service garage and they told me immediately (without even opening the hood) that the intake manifold is most likely bad, the suspicion is that the flaps remain locked and hence cause all kinds of other errors.

I asked if it can be cleaned or repaired, and they said that on this engine (B47), it can't.

As I said, I am surprised to hear this, as the car runs completely normal and there are no symptoms.

PS: 10 days ago I went to an BMW official dealer for an EGR cooler recall.
They checked it and they did not report any problem, therefore it's really odd. Aren't they also supposed to run ISTA+ diagnostics each time they recall vehicles?

What do you think? Is a bad intake manifold symptomatic in any way?

Thanks!

Last edited by Rattlesnake86; 02-11-2020 at 10:10 AM.
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  #2  
Old 02-11-2020, 06:45 PM
Rebound Rebound is offline
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There are all sorts of reasons that codes get stored. Just erase all the codes, drive the car a few times (start/full warm up/cool down) and then look for codes again.

Do you have symptoms or just a bunch of codes?
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Old 02-11-2020, 11:02 PM
Rattlesnake86 Rattlesnake86 is offline
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Mein Auto:
Quote:
Originally Posted by Rebound View Post
There are all sorts of reasons that codes get stored. Just erase all the codes, drive the car a few times (start/full warm up/cool down) and then look for codes again.

Do you have symptoms or just a bunch of codes?
Iíll do this tomorrow with ISTA+

No other symptoms, just those codes...
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