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05-05-2026LAST POST
However, he did also ādisableā the OPF, and when I pull hard on the throttle the Drivetrain error popped up, less power mode kicked in.
He immediately wiped the error and said I need to remove the OPF filters and there will be no issues. Iāve spoken to my exhaust guy, who thinks removing the OPFās will just cause faults to ping up on the dash.
Thinking of revering to stock.
I have a UK 2021 X5MC.
JNR1 wroteIf he coded out the OPF you wonāt have any faultsā¦ thatās the first mod I did when I got my carā¦ it will increase the exhaust sound ~30%Iāve just had mine done by binmerworks, thought Iād try it. No issues in relation to the burble sounds.
However, he did also ādisableā the OPF, and when I pull hard on the throttle the Drivetrain error popped up, less power mode kicked in.
He immediately wiped the error and said I need to remove the OPF filters and there will be no issues. Iāve spoken to my exhaust guy, who thinks removing the OPFās will just cause faults to ping up on the dash.
Thinking of revering to stock.
I have a UK 2021 X5MC.
Did yours also have the drivetrain fault pop up?
JNR1 wroteMy car is tuned hence the same does not applyā¦ but correct, the software update will wipe any existing coding. I donāt do software updates since tuned my carThanks. But if the has an software update or service will the coding revert to stock? And then the faults pop up?
Did yours also have the drivetrain fault pop up?
But still I donāt understand how OPF is related to drivetrain faultā¦ my story was different, Iāve removed the OPFās without coding and it caused the CEL to pop up
blackoutF15 wroteWhen you say pops are those the gunshot sounding pops ?Just had this tune done by bimmerworks remotely. All worked well. After the process, Cold start almost scared the crap out of me. Burbles on efficient mode, pops on sport and sport plus! Love it. No error code. 2022 model. Secondary cats deleted with full cat back exhaust
ipayincash wroteI havenāt had a chance to take it out on the street. But during the short rev testing on sport plus with valves opened fully (external controlled), yes I heard deep burbles followed by pahpahpahā¦When you say pops are those the gunshot sounding pops ?
My setup is a 2022 with a Dinan catback and stock downpipes. Burbles only in Sport+ mode and cold starts sound the same (I did not want a louder cold start, plus I have the Dinan valve controller to close the flaps).
Sound clip video here:
TTTTTTT wroteDo you have pops/gunshots while driving changing gears etc or just when you are standing without moving.I had this done and I absolutely love it. Wish I had done it sooner. I thought it was going to be a bit too much/too obnoxious for my liking but I find the sound to be perfect. Was told that it would also provide a bit better aggressiveness on acceleration and that indeed is the case.
My setup is a 2022 with a Dinan catback and stock downpipes. Burbles only in Sport+ mode and cold starts sound the same (I did not want a louder cold start, plus I have the Dinan valve controller to close the flaps).
Sound clip video here:
bellabimmer wroteSounds (pops, bangs, burbles) can be heard while driving especially on deceleration.Do you have pops/gunshots while driving changing gears etc or just when you are standing without moving.
bellabimmer wrotedepends a lot on exhaust moodsDo you have pops/gunshots while driving changing gears etc or just when you are standing without moving.
matowi wroteon latest models with i-drive 8 cannot be doneCan this be done in an M60i?
ipayincash wrote95% is burbles only. Only on m2 and under a sudden acceleration you will hear the pop. Not so bad Iād say.Does anybody know if you can get the burbles only ? And make sure there's no gunshot pops ?
BIM_WKS wroteOk. Too bad. Thank you for the honest answer!on latest models with i-drive 8 cannot be done
blackoutF15 wroteI agree with this. I pretty much refer to it as a burbles tune. I have not gotten the āgun popā sound, but that may be because I am running stock downpipes.95% is burbles only. Only on m2 and under a sudden acceleration you will hear the pop. Not so bad Iād say.
Prior to getting this tune I was strongly considering catless secondaries but that is no longer the plan as I thoroughly enjoy the sound as is.
