For context: B58 gen 1 - 2018 440i
I am looking to purchase an AA catted DP, but will not be getting MHD for a few months (winterizing the car). Is it okay to run this downpipe without a tune and no CEL?
I know the CEL will eventually appear once I switch to a catted DP, so I want to get MHD to clear this and run logs (no tune yet, still can’t handle the power).
If anyone has done this please let me know! Do I need to let the cat warm up more than just the engine to help prevent CEL?
I have an AA catted DP on my 440i. No cel. I got it because there aren’t any exhaust options for the GC. It is louder and a bit more aggressive sounding but not a crazy amount.
Thank you for the input. No smell at all right?
Nope