Section 1 Z4M Cats with O2 Sensor bungs

rueyme · 06-12-2023, 01:23 PM

BIMMERPOST / Classifieds

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I'm selling my US section 1 cats from my 2008 Z4M I replaced when I put a straight pipe.

ctdriver86 · 06-15-2023, 06:34 PM

Do the monitors clear with this (and catless headers)?

rueyme · 06-15-2023, 10:48 PM

Yes they did I had the CSL headers with them and they worked fine. Only issue is some california exhaust shops will not pass the visual on this if they know the car should have cats in the headers. But it passed tail pipe and MIL lights no problem. I was in CA before I moved to NV where now we don't have tailipes so i put 100 cell cats which probably won't pass tailpipe tests anymore.

06-12-2023, 01:23 PM	#1
rueyme Private First Class 58 Rep 175 Posts Drives: red z4 Join Date: Oct 2018 Location: san francisco iTrader: (1)	Section 1 Z4M Cats with O2 Sensor bungs BIMMERPOST / Classifieds Asking Price: Sold Shipping Costs Included Item Interest I'm selling my US section 1 cats from my 2008 Z4M I replaced when I put a straight pipe. Attached Images Last edited by rueyme; 06-12-2023 at 04:56 PM..
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06-15-2023, 06:34 PM	#2
ctdriver86 Private 14 Rep 64 Posts Drives: e46 m3 Join Date: Apr 2017 Location: Torrance iTrader: (1)	Do the monitors clear with this (and catless headers)?
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06-15-2023, 10:48 PM	#3
rueyme Private First Class 58 Rep 175 Posts Drives: red z4 Join Date: Oct 2018 Location: san francisco iTrader: (1)	Yes they did I had the CSL headers with them and they worked fine. Only issue is some california exhaust shops will not pass the visual on this if they know the car should have cats in the headers. But it passed tail pipe and MIL lights no problem. I was in CA before I moved to NV where now we don't have tailipes so i put 100 cell cats which probably won't pass tailpipe tests anymore.
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