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      11-02-2019, 02:45 PM   #1
charlis777
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F10 M5 Running rich 118011

Hello everyone.

So recently bought this M5 and I have EML light coming on with code:
118011 Mixture control, Across bank mixture too Rich.

Car seems to drive fine no misfires, might be a little low on power but not sure as haven't driven any other ones.

have done the following recently trying to fix it.
New spark plugs, new air filters, new pcv vent hoses. Did a smoke test but didn't find any leaks in intake system.

Also it's kinda high mileage 120k miles.

If anyone could help would help would highly appreciate it.
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      11-02-2019, 03:37 PM   #2
rickyf10
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Are u running on stock injectors?
I got same code and it turns out to be leaky injectors
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      11-02-2019, 03:49 PM   #3
charlis777
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Quote:
Originally Posted by rickyf10 View Post
Are u running on stock injectors?
I got same code and it turns out to be leaky injectors
I think they are stock this is the part number off one of the injectors 0261500136
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      11-02-2019, 05:25 PM   #4
azndrunk74
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Do you have stock or aftermarket intakes? I had that code with aftermarket intakes which went away when I went back to stock.
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      11-02-2019, 06:29 PM   #5
rickyf10
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Quote:
Originally Posted by charlis777 View Post
I think they are stock this is the part number off one of the injectors 0261500136
Yep. Same EU5 injectors Iím going to replace. Have it diagnosed by professionals to make sure. Sometimes aftermarket intake could cause it as well
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      11-02-2019, 07:08 PM   #6
charlis777
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Quote:
Originally Posted by rickyf10 View Post
Yep. Same EU5 injectors Iím going to replace. Have it diagnosed by professionals to make sure. Sometimes aftermarket intake could cause it as well
I have stock intakes.

Had a look on ebay same part number bosh injectors are about $80 where BMW ones from dealership are over $400.
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      11-02-2019, 07:39 PM   #7
rickyf10
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Quote:
Originally Posted by charlis777 View Post
I have stock intakes.

Had a look on ebay same part number bosh injectors are about $80 where BMW ones from dealership are over $400.
lol my local dealer quoted 500 cad each which is absolutely crazy. Yes, you can buy it directly from Bosch retailer. I bought mine from fcp at 100 usd each.
https://f10.m5post.com/forums/showthread.php?t=1642277
Genuine bmw and Bosch parts are no difference other than a bmw logo
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      11-02-2019, 08:13 PM   #8
charlis777
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Quote:
Originally Posted by rickyf10 View Post
lol my local dealer quoted 500 cad each which is absolutely crazy. Yes, you can buy it directly from Bosch retailer. I bought mine from fcp at 100 usd each.
https://f10.m5post.com/forums/showthread.php?t=1642277
Genuine bmw and Bosch parts are no difference other than a bmw logo
is there any way to diagnose it that it's definitely leaky injectors?
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      11-02-2019, 08:31 PM   #9
rickyf10
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Quote:
Originally Posted by charlis777 View Post
is there any way to diagnose it that it's definitely leaky injectors?
From my knowledge, no. My friend at shop looked at the some pressure data and got conclusion.
Or mechanically you just pull injection rail out and do a test. I donít bother do this cuz the labor costs too much to diagnose
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      11-03-2019, 07:21 AM   #10
charlis777
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Quote:
Originally Posted by rickyf10 View Post
From my knowledge, no. My friend at shop looked at the some pressure data and got conclusion.
Or mechanically you just pull injection rail out and do a test. I donít bother do this cuz the labor costs too much to diagnose
I guess I'll just order all new ones since they aren't too expensive and have them replaced.
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