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      02-26-2015, 06:32 AM   #1
bmwheath
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Need help with JB4 codes!

Hi guys, ive just done a manual code check on dash through JB4 and came up with these 2 codes, can someone please tell me what they are:
2AF5 & 2AF6
Well it actually read as: 40 160 260 70, & 40 160 260 90, but i think my speedo needle is out a bit on the 70 & 90 readings so i rounded them up
The cars a 335i N54 if thats of any importance

Last edited by bmwheath; 02-26-2015 at 06:44 AM..
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      02-26-2015, 07:56 AM   #2
CashedUpBogan
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Quote:
Originally Posted by bmwheath View Post
Hi guys, ive just done a manual code check on dash through JB4 and came up with these 2 codes, can someone please tell me what they are:
2AF5 & 2AF6
Well it actually read as: 40 160 260 70, & 40 160 260 90, but i think my speedo needle is out a bit on the 70 & 90 readings so i rounded them up
The cars a 335i N54 if thats of any importance
Should be 2AF4 and 2AF5. Catless downpipes. Nothing to worry about.
Read JB4 user manual to re-calibrate the speedo.
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      02-26-2015, 11:26 PM   #3
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Originally Posted by CashedUpBogan View Post
Should be 2AF4 and 2AF5. Catless downpipes. Nothing to worry about.
Read JB4 user manual to re-calibrate the speedo.
Thanks for that (cashedupbogan). I never received a user manual with my JB4 but i suppose i could download one.
Any quick tips on how to delete these codes? I dont have a laptop!

(Also i posted this enquiry in the general forum, so im not sure why my post has been added to the 4 sale section)
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      02-27-2015, 12:20 AM   #4
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Here are the JB4 instructions also has a section on reading and deleting codes

http://www.n54tech.com/forums/showthread.php?p=193708
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      02-27-2015, 03:07 AM   #5
bmwheath
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Thanks guys. Is anyone here using the IOS iphone Jb4 phone app & bluetooth cable for data logging?? I dont have a laptop so this looks like a great option!
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      02-27-2015, 04:10 AM   #6
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29F4 and 29F5 are the catless downpipes codes.

2AF4 NOXsensor, electrical
2AF6 nitric oxide sensor, Lambda binary

I think these are related to your o2 sensors, but I haven't researched.

Last edited by Scotty89; 02-27-2015 at 04:21 AM..
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      02-27-2015, 04:27 AM   #7
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Originally Posted by Scotty89 View Post
29F4 and 29F5 are the catless downpipes codes.

2AF4 NOXsensor, electrical
2AF6 nitric oxide sensor, Lambda binary

I think these are related to your o2 sensors, but I haven't researched.
Anything for me to be concerned about here Scotty89? I did just go catless downpipes the other day. Its the 1st time ive done a code check with the JB4
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      02-27-2015, 04:36 AM   #8
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Originally Posted by bmwheath View Post
Anything for me to be concerned about here Scotty89? I did just go catless downpipes the other day. Its the 1st time ive done a code check with the JB4
.
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      02-27-2015, 05:28 PM   #9
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Bhahaha... Codes now cleared
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