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BMW 5-Series (G30) Forum Engine, Exhaust, Drivetrain, Tuning Modifications M550 exhaust flaps open = much better sound

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      06-07-2019, 08:44 AM   #89
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I was driving on 676 in Center City Philly, and there is about a section of road for about a 1/2 mile that is essentially a tunnel.......let me tell you, the M550 with this mod done sounds "conservatively glorious" if that makes any sense. Its not brash or startling by any means, but when I was next to the M550 and it took it off it was very classy and I was very, very impressed!!!!
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      06-22-2019, 09:32 PM   #90
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I've been in this car for a month, and even after this mod I still can't hear the exhaust. Have to roll the windows down and try to not focus on the electronic stuff piped in through the speakers
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      06-22-2019, 09:47 PM   #91
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Quote:
Originally Posted by JSTDR1V View Post
I've been in this car for a month, and even after this mod I still can't hear the exhaust. Have to roll the windows down and try to not focus on the electronic stuff piped in through the speakers
You can code to turn off the piped in sound with Bimmercode.
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      06-23-2019, 08:22 PM   #92
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Quote:
Originally Posted by drjolokia View Post
Quote:
Originally Posted by JSTDR1V View Post
I've been in this car for a month, and even after this mod I still can't hear the exhaust. Have to roll the windows down and try to not focus on the electronic stuff piped in through the speakers
You can code to turn off the piped in sound with Bimmercode.
I know. But that doesn't make my car any louder
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      07-08-2019, 09:33 PM   #93
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Question for anyone who can answer it.

I pulled the fuse and the exhaust flaps are definitely open. It sounds great.

However I am wondering if there are any other functions in the car that are deactivated when the fuse is pulled?
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      07-08-2019, 09:48 PM   #94
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Quote:
Originally Posted by Jat329 View Post
Question for anyone who can answer it.

I pulled the fuse and the exhaust flaps are definitely open. It sounds great.

However I am wondering if there are any other functions in the car that are deactivated when the fuse is pulled?
I'm thinking not but I don't know
I have dealer resetting my ECU today/tomorrow should be done. Got a cool 2020 M340i with 790 miles as a loaner today. Fun car. But I'll ask the tech tomorrow , I put the fuse back in lastnight just in case as I was wondering same thing.
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      07-09-2019, 05:26 PM   #95
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Quote:
Originally Posted by Jat329 View Post
However I am wondering if there are any other functions in the car that are deactivated when the fuse is pulled?
Nope, dedicated to the flap (Fuse F203):

https://www.newtis.info/tisv2/a/en/g...lim/1VnYS9CGy7
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      09-04-2019, 10:32 PM   #96
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Looking to do this mode. Here are some dumb questions?

1. How do I know all flaps are open after starting the car in sport plus mode? Is this just timing thing? 1 min enough?

2. What's the difference between fuse mode and driving in sport plus all the time? Does the car keep flaps open once in sport mode or it varies? I guess I m trying to understand if the fuse mod improves sound over sport and sport plus or just "open" the flaps for eco and comfort modes?
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      09-05-2019, 08:18 AM   #97
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1. Pulling the fuse when the flaps are open (Sport Mode), means they cannot close when moved out of that mode. Hence, they stay in Sport mode.

2. I assume driving in Sport Mode all the time is same as pulling the fuse - the flaps are both open.

It essentially keeps the flaps open in ALL modes ALL the time. A big sound improvement for those not always in Sport Mode.
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      10-26-2019, 05:30 PM   #98
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The 2020 M550 has an option in iDrive to set the exhaust flaps to open all the time, even in comfort mode. Assume this is new to this model year?
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      10-29-2019, 05:36 PM   #99
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Quote:
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The 2020 M550 has an option in iDrive to set the exhaust flaps to open all the time, even in comfort mode. Assume this is new to this model year?
yes, definitely new for 2020. very interesting!
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      11-02-2019, 06:58 AM   #100
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And I might add, the new option works like a champ! You want the flaps open all the time, even through ignition cycles? Viola, just hit the sporty setting!!!!!
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      11-05-2019, 08:56 AM   #101
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My 440 is a 2017 and if I put it in Sport or Sport plus my valves stay open all the time...
So your all saying that your valves dont stay open in these modes except for MY2020?
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