[coM5ition]

Hey guys,
Anyone running stock engine with catless secondaries and opf delete exhaust on EU spec 2020 model?
I currently installed Akrapovic evolution line and I'm curious if I remove the second cats I will get some pops.
Will appreciate any experience on getting pops without ECU tune on 2020+ EU models.

[Info@mad-us.com]

Originally Posted by coM5ition

Hey guys,
Anyone running stock engine with catless secondaries and opf delete exhaust on EU spec 2020 model?
I currently installed Akrapovic evolution line and I'm curious if I remove the second cats I will get some pops.
Will appreciate any experience on getting pops without ECU tune on 2020+ EU models.

You do on the U.S models Not 100% sure with the opf situation though.

[coM5ition]

Originally Posted by Info@mad-us.com

You do on the U.S models Not 100% sure with the opf situation though.

The US spec has pop and bangs even on stock exhaust unlike our EU cars 😕

[Info@mad-us.com]

Originally Posted by coM5ition

The US spec has pop and bangs even on stock exhaust unlike our EU cars 😕

No fun

[maximking]

here you have /opf delete and resonator delete

[Info@mad-us.com]

Originally Posted by maximking

here you have /opf delete and resonator delete

Sounds great!

[maximking]

Originally Posted by Info@mad-us.com

Sounds great!

like a beast !

[maximking]

Thought share another M5 with oem exhausts .
Comparisson between non burbles / with burbles software
https://www.youtube.com/watch?v=Qoid1xkvi08

[pbonsalb]

I assume you are testing in sport plus for engine response and transmission level 3?

[325_bucks]

Originally Posted by maximking

Thought share another M5 with oem exhausts .
Comparisson between non burbles / with burbles software
https://www.youtube.com/watch?v=Qoid1xkvi08

Can you tell me, is it JUST an OPF delete on this? late 2019+ cars in EU/UK had the pops and bangs removed so is it just a case of removing the OPF to bring it back? I'm not looking for crazy shotgun sounds, just a nice burble and I am considering an OPF delete but don't want to have to map the car to put a map on just with burbles re-added.
Thanks

[Boosted_8]

This is a sound clip of an EU spec N63 (LCI 2021) with OPF removed. Comfort then sport. No gunshots! https://1drv.ms/u/s!ArbApzx4z9M5hVTt...6Qv8v?e=87M3PH

[325_bucks]

That sounds quite good, what is the OPFs replaced with? Any specific pipes? I need to get this done!

[Boosted_8]

X-pipe custom made and some kit from: https://www.leib-engineering.de/leib.../bmw-m5-f90-en

[325_bucks]

Wow, that X pipe looks nice, are you anywhere near South East England? And those OPF deleters are much cheaper than the others I've seen elsewhere. Thanks for that

So just to confirm, no other changes, no mapping changes, just the OPF section cut out and replaced with the X pipe and the OPF delete modules?

[Boosted_8]

I'm in Cheshire Your understanding is correct.

[325_bucks]

Thanks, shame you’re so far away. I will need to find a local exhaust fabricator to make an X pipe

[coM5ition]

Originally Posted by 325_bucks

Wow, that X pipe looks nice, are you anywhere near South East England? And those OPF deleters are much cheaper than the others I've seen elsewhere. Thanks for that

So just to confirm, no other changes, no mapping changes, just the OPF section cut out and replaced with the X pipe and the OPF delete modules?

I have OPF removed and pops. Just casual burbles from time to time on low rpm

[Boosted_8]

Just a side note, I also disabled the active sound from the speakers with bimmerlink. 1) The natural sound was now better than the fake. 2) The synthetic sound was at odds with the new frequencies from the X-pipe, it seemed to create a drone at 2k RPM.