[SuperBeastSteven]

Hi all; Due to state of the world, I can't order a new M3 so I'm going to buy my 2019 M550i at the end of the lease in a couple months. I want to A) change the exhaust so it sounds much more aggressive and/or B) tune the car so it goes faster, although its pretty fast as it is.

Can anyone suggest the best options or companies I can look at for value vs. performance or thoughts?

Thanks in advance!

[Ron1n]

Tunes:
bm3 (if you don't mind OTS)
Cary Jordan (custom tune that can be requested through bm3)
Jordan @ RKTunes (also a custom tune, but through his website)
Dinan (if you don't mind spending the extra money)

Exhaust:
Just get downpipes and delete your resonators, and you will probably be happy with that (note that any Stage 2 tune, no matter which tune/tuner you go with, is going to require you to have catless downpipes). Else, you could go Dinan or Remus, but I'm hearing about massive delays coming from both. A resonator delete is easy, and downpipes can be had much more quickly (ARM, VRSF (although VRSF has seen some delays).

Personal setup:
ARM downpipes
Currently Stage 2 E30 OTS bm3 tune (this is the first tune I got for my car, btw)
Going Stage 2 E50 this week (waiting on my first revision as we speak) through RK.

Experience: Current setup has been 100% solid. I've tuned several of my BMWs in the past (550i, 335is, M3, 335d, to name a few), so didn't go into this with my eyes closed.

[mike@x-ph.com]

You can do tune (my favorite is bm3) + ARM downpipe + resonator delete. The car will sound nice and it's not an expensive setup

or for an even better sound, you can do tune + a catted downpipe + REMUS exhaust

[SuperBeastSteven]

Thank you both but as a layman who doesn't know jack about car mechanics;

1. Where do I go for ARM downpipes & to delete my resonator? Midas type shop or a special import type mechanic place? How much should that run approx?

2. The bm3 tune; Same questions I guess, where do I get, how much should it be & do you know the hp & torque gains on it?

Thank you very much; really helpful so far!

[Ron1n]

Originally Posted by SuperBeastSteven

Thank you both but as a layman who doesn't know jack about car mechanics;

1. Where do I go for ARM downpipes & to delete my resonator? Midas type shop or a special import type mechanic place? How much should that run approx?

2. The bm3 tune; Same questions I guess, where do I get, how much should it be & do you know the hp & torque gains on it?

Thank you very much; really helpful so far!

https://www.armmotorsports.com/colle...less-downpipes

Resonator delete can be done by most any muffler shop, so wherever you're comfortable.

https://www.protuningfreaks.com/coll...m550-750i-tune

It will require some additional hardware to connect your car to a device (PC, iPhone, Android). That's all listed in the above link. The %'s for gains are also listed in the above link.