12-01-2016, 07:11 PM | #1 |
Enlisted Member
6
Rep 39
Posts |
Reason for Comfort to Sport Sound Change
Hi,
I noticed that the car changes its exhaust sound when I switch from comfort mode to sport mode (no burble to has burble). I thought the reason for the burble is those flaps I have in MPE, but when I open the flaps (track mode on MPE) the sound gets even louder, does this mean there are two layers of flaps? Or is the burble the result of engine being in sport mode? Very curious.. |
12-02-2016, 08:28 AM | #3 |
Brigadier General
1622
Rep 3,402
Posts |
|
Appreciate
0
|
12-02-2016, 08:38 AM | #4 |
Brigadier General
1577
Rep 3,888
Posts |
Yes, the engineers obviously had an objective to create a good exhaust sound on this car! No fanboy, but have to say I like what they did - has its own character. Had a concern it would be obnoxious cruising around town, but not the case.
|
Appreciate
0
|
12-02-2016, 12:23 PM | #5 |
Enlisted Member
6
Rep 39
Posts |
Yeah that's probably the reason. I read this: https://www.quora.com/Why-do-modern-...n-the-over-run and I thought it's due to flaps.
|
Appreciate
1
zenmaster1576.50 |
12-03-2016, 04:03 AM | #6 |
Colonel
4399
Rep 2,856
Posts
Drives: BMW M2 CSL Turbomeister
Join Date: Sep 2013
Location: Travelling / Managing / Writing
|
Current vehicles have this engineered in. Cars like the F-Type, Focus RS and also the M2 have been engineered like this.
In case of the F-Type they spray a little bit of fuel in the beginning of the exhaust near the manifold that ignites in the exhaust and you gets you the burbles. At least that is what an engineer at Jaguar told me. More and more cars have some kind of system engineered in and by changing the mode on the car the system inside change and give you a different exhaust note. It could well be there is a second flap some cars, but I did not see this flap when I changed my exhaust at Akrapovic. There was nothing there other than the turbo and then the downpipe. MR |
Appreciate
0
|
12-04-2016, 01:41 PM | #8 | |
Lieutenant
283
Rep 399
Posts
Drives: 2017 BMW M2 6MT
Join Date: Apr 2016
Location: Toronto
|
Quote:
__________________
'17 BMW M2 LBB 6MT MPE
'13 BMW 335i Estoril Blue - sold |
|
Appreciate
0
|
12-05-2016, 11:24 AM | #9 | |
New Member
23
Rep 26
Posts |
Quote:
|
|
Appreciate
0
|
12-07-2016, 12:29 PM | #10 |
Enlisted Member
6
Rep 39
Posts |
|
Appreciate
0
|
Post Reply |
Bookmarks |
|
|