04-05-2019, 04:07 PM | #1 |
Major
657
Rep 1,481
Posts |
MPE fitted today
Had the MPE fitted today and its not quite what i expected. Its pretty quiet if i am honest. They did say it gets louder but how loud will it get? No pops or crackles yet either....do they come later once run in????
|
04-06-2019, 01:59 AM | #2 | |
First Lieutenant
85
Rep 375
Posts |
Quote:
It does get throatier by time but not much.
__________________
G30 540i xDrive M Sport MPPSK / BM3 |
|
Appreciate
0
|
04-07-2019, 01:16 PM | #3 |
Major
657
Rep 1,481
Posts |
|
Appreciate
0
|
04-08-2019, 12:21 AM | #4 | |
First Lieutenant
85
Rep 375
Posts |
Quote:
I can only confirm exhaust with MPPSK is noticeably louder at start up and WOT. With pops, burbles too.
__________________
G30 540i xDrive M Sport MPPSK / BM3 |
|
Appreciate
0
|
04-08-2019, 05:47 PM | #5 |
General
12805
Rep 18,628
Posts |
I have a suspicion that BMW redesigned the MPE from its first release.
My MPE was purchased in early 2017. It is louder than what I recently installed to local customer. I do know that some was complaining about drone when MPE was initially released. I do experience some drone under certain condition.
__________________
Email:sales@rgsport.com | IG:RGSport_USA | Web:RGSportShop.com March SALES!! Evolution Racewerks - Until 04/01 | PM for DEALS MSS • iSweep • RaceChip • Sterckenn • AutoTecknic • Akrapovic • Vossen Wheels • Eventuri Active Autowerke • KW • H&R • Ohlins • Remus • and more... |
Appreciate
0
|
04-10-2019, 09:34 PM | #6 |
New Member
17
Rep 25
Posts |
Mine pops and had it for 20 months
__________________
Current 2017 BMW 540i M-Sport Previous 2014 BMW 435 M-Sport Xi 2011 BMW 335Xi 2013 BMW X3 3.0s 2011 BMW 328 Xi |
Appreciate
0
|
05-07-2019, 02:52 PM | #7 |
Major
657
Rep 1,481
Posts |
This is going to sound like a silly question but.....my car is at the dealer at the moment for a m performance carbon rear diffuser with the bumper trim but they are saying it doesnt fit as i have the m perf exhaust with chrome tips......surely they are wrong as the diffuser should fit the m perf exhaust whether you have chrome or carbon tips, right?!?!?!
|
Appreciate
0
|
05-09-2019, 07:47 PM | #8 | |
Second Lieutenant
80
Rep 233
Posts |
Quote:
__________________
|
|
Appreciate
0
|
05-27-2019, 09:46 AM | #9 |
Captain
627
Rep 616
Posts |
Just posted this in the Photo/Video/Builds section but thought I would repeated it here as there seem to be several threads on this. --Bob
Well after thinking about (and pricing) the MPPSK I decided to just go with the M Performance exhaust. Had it installed last week, about $2,100 total, including labor and all three parts as noted above (muffler, tips and rear valance). My impression so far is that it is definitely louder than stock and under strong throttle in Sport Plus sounds excellent, and manual shifting makes it sound even better. However, contrary to several opinions here, I find it has noticeable resonance (drone) at around 2,200-2,400 rpm under light to moderate throttle load. Especially noticeable when the transmission shifts up and the revs land in that zone at the upshift. I am particularly aware of this as for about 20 years I did a lot of research and testing on resonance in C4 ZR-1 exhaust systems. The ZR-1's LT5 engine had two specific resonance peaks, one at 1,800 and one at 3,400 rpms most noticeable under medium to light load. I have not driven enough yet to see if the B58 BMW engine has two noticeable resonance peak points but will eventually. Fairly common for engines to have two. I find that to minimize it (like with my wife in the car, lest she notice that I actually spent the money on a new exhaust), I can drive in Comfort with a light throttle and keep it under 2,400. Passed the test with her in the car last night. I notice that when idling in Comfort it has slightly softer sound than when idling in Sport, so there must be a valve involved somewhere. Anyway I will continue to enjoy it and see if I can find a solution to this. I suspect not, as taming a resonance peak usually requires something called a Helmholtz Resonator, a chamber ordinarily encased inside a muffler or center resonator. We'll see. I kept the takeoff parts just in case it becomes too much, but otherwise enjoying it so far. --Bob
__________________
2019 540xi M Sport, Carbon Black/Cognac, 2014 328xi, 2016 Corvette Z06; Previous:2010 BMW 535xi M Sp, 2008 335xi, 1998 M3 Sedan,1980 528i, 1977 320i, 1976 2002
|
Appreciate
1
clee1982796.00 |
05-27-2019, 06:56 PM | #10 |
Captain
738
Rep 607
Posts |
I cured this when I installed a flux capacitor
__________________
Life is short...Drive fast
|
Appreciate
0
|
05-27-2019, 10:48 PM | #11 | |
Lieutenant Colonel
796
Rep 1,736
Posts
Drives: 2019 BMW 540i xDrive
Join Date: Nov 2018
Location: NYC
|
Quote:
|
|
Appreciate
0
|
05-28-2019, 07:33 AM | #12 | |
Second Lieutenant
80
Rep 233
Posts |
Quote:
things get even better if you remove resonator... if it is still not enough get a downpipe MPE does not have valve,and seems to be more quiet than Remus Hope that helps
__________________
|
|
Appreciate
1
clee1982796.00 |
05-29-2019, 09:32 AM | #13 | |
Captain
627
Rep 616
Posts |
Quote:
__________________
2019 540xi M Sport, Carbon Black/Cognac, 2014 328xi, 2016 Corvette Z06; Previous:2010 BMW 535xi M Sp, 2008 335xi, 1998 M3 Sedan,1980 528i, 1977 320i, 1976 2002
|
|
Appreciate
0
|
Post Reply |
Bookmarks |
Thread Tools | Search this Thread |
|
|