BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST - View Single Post - Challenge 3.5" catless downpipe + BMS Stage 1

Jeff@TopGearSolutions · 06-10-2015, 02:14 PM

O2 spacers and defoulers typically don't work on this platform. It's hit or miss.

I'd sooner sell the BMS Stage 1 and get the JB4. Then you can unlock all the power and get rid of the CEL.

06-10-2015, 02:14 PM	#15
Jeff@TopGearSolutions 3442 Rep 79,211 Posts Drives: C6 Z06, 09 335i, 10 335xi Join Date: Dec 2008 Location: www.TopGearSolutions.com iTrader: (37)	O2 spacers and defoulers typically don't work on this platform. It's hit or miss. I'd sooner sell the BMS Stage 1 and get the JB4. Then you can unlock all the power and get rid of the CEL.
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