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BMW 5-Series (G30) Forum Engine, Exhaust, Drivetrain, Tuning Modifications Installed M5 comp exhaust on M550

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      10-14-2020, 05:53 PM   #1
Dutt1113
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Installed M5 comp exhaust on M550

I just wanted to share a pic of the M5 comp exhaust I just got installed on the m550. It came out pretty awesome. I also used an oem diffuser painted body color and got a plastic m performance style "carbon look" diffuser so I don't lose the truck kick sensor. The honey comb replacement reflectors were the icing on the cake. I am pretty pleased with the way it all came out. It sounds good too. Not too loud, but good. Not counting the diffuser cost and paint, the full exhaust was only $1500 installed, half of a decent aftermarket full exhaust.

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      10-14-2020, 06:17 PM   #2
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Nice!!! Looks good! How's the install? Wondering were you able to hookup active exhaust connectors on to this m5 comp exhaust ?
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      10-14-2020, 06:30 PM   #3
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Quote:
Originally Posted by MLIFEM550 View Post
Nice!!! Looks good! How's the install? Wondering were you able to hookup active exhaust connectors on to this m5 comp exhaust ?
Install went fine. Only modification needed was to add on some additional longer hangers for the mufflers. For some reason the tips/muffler weren't sitting low enough by about 1/2 to 1" as I couldn't get the diffuser on. I'm not sure if something is different on the M5 or if the angle of the piping welded behind mufflers made the tips sit too high. Either way it was an easy fix.
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      10-14-2020, 06:34 PM   #4
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Can you tell the difference in the sound? If you have a sound clip to share that would be great
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      10-14-2020, 06:35 PM   #5
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also, Yes, the exhaust flap modules transferred over just fine.
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      10-14-2020, 08:27 PM   #6
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Quote:
Originally Posted by Dutt1113 View Post
also, Yes, the exhaust flap modules transferred over just fine.
Will it fit with stock M550 diffuser?
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      10-14-2020, 08:53 PM   #7
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Quote:
Originally Posted by MLIFEM550 View Post
Quote:
Originally Posted by Dutt1113 View Post
also, Yes, the exhaust flap modules transferred over just fine.
Will it fit with stock M550 diffuser?
no, you need an M5 diffuser as the M5 exhaust tips are slightly more toward center. The M5 diffuser does fit m sport rear bumper as m5 shares same rear bumper. You just need to also buy the M5 exhaust support bracket which is just a big plastic piece that goes behind rear bumper that is shaped more for the m5 tips location. It also holds some sensors and wires if you have trunk kick feature.
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      10-14-2020, 10:29 PM   #8
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Very nice!
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      10-15-2020, 10:57 AM   #9
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      10-15-2020, 09:00 PM   #10
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I will work on getting a good exhaust clip soon
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      10-17-2020, 09:26 AM   #11
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This was just an axle back set up correct ?
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      10-17-2020, 07:34 PM   #12
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Quote:
Originally Posted by MLIFEM550 View Post
This was just an axle back set up correct ?
no, it was actually the full catback M5 competition exhaust
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      10-20-2020, 04:54 PM   #13
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Here's a warmed up exhaust clip I just took. Let me know what you think.

https://youtu.be/WDw_fP2lSiM
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      10-20-2020, 06:07 PM   #14
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Quote:
Originally Posted by Dutt1113 View Post
Here's a warmed up exhaust clip I just took. Let me know what you think.

https://youtu.be/WDw_fP2lSiM
That sounds great 👍🏻
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      10-22-2020, 08:39 AM   #15
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I'm happy with the sound for it being oem and half the cost of aftermarket. It just seems like the full exhaust is quieter on my m550 that it is on the actual m5. Any ideas why that could be or am I just hearing things? Is it the difference in downpipes or something? Tuning?
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      10-29-2020, 09:34 AM   #16
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Have you installed the complete system (from Kat) or only rear silencers?
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      10-29-2020, 01:49 PM   #17
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Quote:
Originally Posted by Dutt1113 View Post
I'm happy with the sound for it being oem and half the cost of aftermarket. It just seems like the full exhaust is quieter on my m550 that it is on the actual m5. Any ideas why that could be or am I just hearing things? Is it the difference in downpipes or something? Tuning?
Different engines, turbos, downpipes, mid popes etc?
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      10-31-2020, 01:20 PM   #18
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does anyone know how the m5 comp exhaust sound on my car in above link compares to the Remus m550i exhaust? The m5 exhaust on my m550 sounds good but I wish it was louder.
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      11-01-2020, 12:01 AM   #19
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Quote:
Originally Posted by Dutt1113 View Post
does anyone know how the m5 comp exhaust sound on my car in above link compares to the Remus m550i exhaust? The m5 exhaust on my m550 sounds good but I wish it was louder.
Well it's nice but how about this below:




ACS exhaust will be expensive but the sound is so much better.

Another one:


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      11-01-2020, 10:30 AM   #20
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The ACS sounds good, but I can't justify spending close to $5k for exhaust. I was thinking something around $3k like remus or other that would give my better sound than the full m5 comp exhaust.
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      12-14-2020, 03:18 PM   #21
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Quote:
Originally Posted by Dutt1113 View Post
I just wanted to share a pic of the M5 comp exhaust I just got installed on the m550. It came out pretty awesome. I also used an oem diffuser painted body color and got a plastic m performance style "carbon look" diffuser so I don't lose the truck kick sensor. The honey comb replacement reflectors were the icing on the cake. I am pretty pleased with the way it all came out. It sounds good too. Not too loud, but good. Not counting the diffuser cost and paint, the full exhaust was only $1500 installed, half of a decent aftermarket full exhaust.

can you post the picture again - can't seem to see it for some reason. I'm thinking about doing a muffler upgrade and wanted to see what others have done.
Also, for around $1500, did you got it install from BMW dealership and I assume that I can replace the exhaust tips if I want to later?
Thanks!
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      12-21-2020, 08:42 PM   #22
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What year was the M5 comp exhaust from?
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