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Estorilblue340i · 07-25-2018, 02:47 PM

Some people say Jb4 clears the catless down pipe code and some people say it doesn’t, can anyone give me a clear explanation on this ?
I have a b58 340i

07-25-2018, 02:47 PM	#1
Estorilblue340i Private First Class 23 Rep 155 Posts Drives: 2021 M3 competition Join Date: Feb 2018 Location: San Diego iTrader: (0)	Does JB4 clear catless downpipe code ? Some people say Jb4 clears the catless down pipe code and some people say it doesn’t, can anyone give me a clear explanation on this ? I have a b58 340i
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