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F11 525d EGR error code
14-09-2022, 10:32 AM,
Post: #1
XZBMW  F11 525d EGR error code
Hi,
I have 290900 error code
Air system, air to EGR mass flow plausibility: measured air mass too high compared to calculated air mass
Can you tell me what should I do?
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14-09-2022, 16:58 PM,
Post: #2
RE: F11 525d EGR error code
egr cooler internal leak

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14-09-2022, 22:42 PM,
Post: #3
RE: F11 525d EGR error code
(14-09-2022, 16:58 PM)OBDSolutions Wrote:  egr cooler internal leak

could be fixed or should i replace it?
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15-09-2022, 07:44 AM,
Post: #4
RE: F11 525d EGR error code
You should run air mass diagnosis in ISTA. It will give more information to troubleshoot. Unless you want to fire a parts cannon. It's up to you. Could be many things.
Reputation: +1 - al70 [+1]
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15-09-2022, 15:41 PM,
Post: #5
RE: F11 525d EGR error code
(15-09-2022, 07:44 AM)Node Wrote:  You should run air mass diagnosis in ISTA. It will give more information to troubleshoot. Unless you want to fire a parts cannon. It's up to you. Could be many things.


I will go to service,because I can't get that license from sadoy in order to use ista,thank you for your reply !
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15-09-2022, 15:57 PM,
Post: #6
RE: F11 525d EGR error code
You will more than likely need to carry out test on the car, look for leaks on the egr/air intake system and trace any issues, if your not capable or don’t have the equipment it may be better to book into a garage with a mechanic who knows BMWs, the air flow issue is more than likely there is more air than being measured hence maybe a leak
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15-09-2022, 17:16 PM,
Post: #7
RE: F11 525d EGR error code
(15-09-2022, 15:41 PM)iulianno Wrote:  
(15-09-2022, 07:44 AM)Node Wrote:  You should run air mass diagnosis in ISTA. It will give more information to troubleshoot. Unless you want to fire a parts cannon. It's up to you. Could be many things.


I will go to service,because I can't get that license from sadoy in order to use ista,thank you for your reply !

You can find ISTA 4.31.40 or 4.32.15 version , it's last versions without requiring license. So you will be able to install it and check your's car yourself

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15-09-2022, 18:14 PM,
Post: #8
XZBMW  RE: F11 525d EGR error code
(15-09-2022, 17:16 PM)Bagum4uk Wrote:  
(15-09-2022, 15:41 PM)iulianno Wrote:  
(15-09-2022, 07:44 AM)Node Wrote:  You should run air mass diagnosis in ISTA. It will give more information to troubleshoot. Unless you want to fire a parts cannon. It's up to you. Could be many things.


I will go to service,because I can't get that license from sadoy in order to use ista,thank you for your reply !

You can find ISTA 4.31.40 or 4.32.15 version , it's last versions without requiring license. So you will be able to install it and check your's car yourself

Ok, i will,thank you.
Reputation: +1 - al70 [+1]
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02-10-2022, 09:03 AM,
Post: #9
RE: F11 525d EGR error code
Most likely faulty egr valve. Genuine valve is cheap, dont try China made aftermarket. After replacement don't forget to reset air mass values
Reputation: +1 - al70 [+1]
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02-10-2022, 10:11 AM,
Post: #10
RE: F11 525d EGR error code
I would first check boost system for leaks before going into replacing lots of parts...
Reputation: +1 - al70 [+1]
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