6Post.com | BMW 6-Series Forum - View Single Post - Engine Problem 12B801: Oxygen Sensor Resistance Too High

Hellboy550i · 09-22-2022, 10:02 PM

Guys am getting 12B801 oxygen sensor heating after catalytic converter 2, function : internal resistance too high ,
I cleared the code 2 weeks back and it came back again , is there a video to do DIY the downstream sensor change ?

09-22-2022, 10:02 PM	#11
Hellboy550i Private First Class 21 Rep 169 Posts Drives: BMW 550i Join Date: Sep 2022 Location: atlanta iTrader: (0)	Guys am getting 12B801 oxygen sensor heating after catalytic converter 2, function : internal resistance too high , I cleared the code 2 weeks back and it came back again , is there a video to do DIY the downstream sensor change ?
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