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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > B58 Turbo Engine / Drivetrain / Exhaust Modifications > 340i / 440i (B58) BMW M Performance Power and Sound Kit (MPPSK) Official Release
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      08-22-2018, 04:27 PM   #903
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Is this normal? The discoloration. It's came after 100km.

I dont think so.

Here is what mine looks like after about 5K miles
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      08-23-2018, 03:56 AM   #904
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Yours looks like new. How often You using sport/sport+ mode? What speed are You driving? The pipes looks like new, like there is now high temp.
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      08-23-2018, 09:00 AM   #905
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Quote:
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Yours looks like new. How often You using sport/sport+ mode? What speed are You driving? The pipes looks like new, like there is now high temp.
80% of my driving is on the highway at around 75-80mph in comfort mode. I don't like the drone in sport mode at highway speeds.
The other 20% when I'm on regular streets I'm almost always in sport though.
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      08-23-2018, 09:37 AM   #906
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Quote:
Originally Posted by oksymoroni View Post
Quote:
Originally Posted by turas View Post
Yours looks like new. How often You using sport/sport+ mode? What speed are You driving? The pipes looks like new, like there is now high temp.
80% of my driving is on the highway at around 75-80mph in comfort mode. I don't like the drone in sport mode at highway speeds.
The other 20% when I'm on regular streets I'm almost always in sport though.
I'll occasionally throw it into sport to pass someone going a little too slow
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      08-29-2018, 08:15 PM   #907
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I got mine installed today after 2 years of ownership, drove about 100 miles.

Just WOW, the videos are nothing like what is in real life. Compared to stock, the sound is 10 times better (and about the same for loudness) cannot see why someone would want to go any louder, not for a daily driver. I really cannot believe the B58 can sound so amazing.

Worth every single penny it costs
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      08-29-2018, 09:44 PM   #908
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I got mine installed today after 2 years of ownership, drove about 100 miles.

Just WOW, the videos are nothing like what is in real life. Compared to stock, the sound is 10 times better (and about the same for loudness) cannot see why someone would want to go any louder, not for a daily driver. I really cannot believe the B58 can sound so amazing.

Worth every single penny it costs
Yes, really changes the character of the car. And you can easily tone it down by changing modes.
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      08-29-2018, 10:43 PM   #909
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Quote:
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Yours looks like new. How often You using sport/sport+ mode? What speed are You driving? The pipes looks like new, like there is now high temp.
i polish mine every couple months and looks like new 20k miles later. 95% sport mode, about half city, half highway
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      09-16-2018, 11:49 PM   #910
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Hello
New to the forum.
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      09-17-2018, 09:45 AM   #911
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Hello
New to the forum.
Hello and welcome.

ps the General F30 sedan/ F32 coupe/ F36 gran coupe Forum is a better spot to post an introduction but no worries. You should head over there and post some pics, give us some spec's and let us know any upgrades you're planning.
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      09-18-2018, 08:34 AM   #912
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Just curious anyone get harassed by cops with the mppsk? Also, mine still looks great without polishing.
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      09-18-2018, 11:07 AM   #913
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I don't polish at all and mine looks great too.

Never hassled by the cops with mppsk. It's a bit obnoxious at times but they seem to leave me alone.
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      09-19-2018, 02:29 AM   #914
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440i GC MPPSK

Hi all, have read various bits of this thread and agree/disagree equally.

So here's my take.

I have owned Persephone (a 'pretty' loaded GC (RRP £60k for previous owner)) for 18 months with the DTUK tuning kit on it, tested on a rolling road to around 380BHP! It really is that good.

The MPPSK was the one modification I really wanted and finally succumbed a month ago. I ran it for 3 weeks prior and post without the DTUK chip.

With the MPPSK, without a doubt, the car pulls better, faster, sweeter, significantly so.

With the chip back on, it's blistering, power delivery not as smooth if I'm honest, but my goodness, it pushes one back in the chair, and the front visibly goes up! It must be pushing well over 400bhp and probably over 420.

The sound is incredible, I smile every journey, even when stuck on the M42/M5. The burbles and pops are wonderful and when I finally master the extreme acceleration bangs, I will be a happy middle aged yob!.

Like others, I wish (or my wife wishes) that it had a quieter start-up at 5.30AM .

There is occasional evidence of droning at certain speeds (eco/comfort) but only just noticeable.

For sure this is an expensive upgrade, but it's made a wonderful car even better.

I can drive it around and not be noticed, or with the flick of a button, people within a mile radius will take for cover from the thunder.
Does anyone want to buy a standard 440i exhaust :-)

Last edited by T88BOB; 09-20-2018 at 05:28 AM..
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      10-06-2018, 01:55 PM   #915
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Quote:
Originally Posted by turas View Post
Is this normal? The discoloration. It's came after 100km.

Looks like the color changed from heat or something. My MPE passenger side tip sorta went discolored so i swapped it to the driver side to let the other tip turn a little discolored assuming the passenger tail pipe gets hotter then the left.
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      10-06-2018, 01:58 PM   #916
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Quote:
Originally Posted by bimmer456 View Post
Just curious anyone get harassed by cops with the mppsk? Also, mine still looks great without polishing.
Since you're from Pasadena you might. If you head towards Glendale then for sure they will harass you if you're popping and banging every where even though its OEM they still will write you a ticket and you will need to go to BMW and have them inspect it as a oem unit and go to court and pretty much waste your time so you're better off in comfort mode in certain cities. I have the 5" catted dp + MPE and the MPE does not have a valve and i haven't gotten harassed yet....might be because of my right foot i normally go WOT on the highway and not the streets.
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      12-09-2018, 02:53 PM   #917
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Getting mine fitted next week, literally cannot wait.
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      12-15-2018, 11:07 PM   #918
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Getting mine fitted next week, literally cannot wait.
Your car will sound awesome. Soon as I fired her up at the dealership the guy in the car next to me took notice. The SA was complimenting me on how awesome my car sounded!
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      12-19-2018, 04:07 AM   #919
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Fitted on Monday and also got Non RFT Michelin Pilot Sport 4s. OMFG.

The combination of these is like a brand new car, what an lot of value for very little outlay.

The grip from the tyres even in the wet is night and day over the Potenza RFTs it came fitted with and at lower speeds, the extra torque and power really gives it some shove, really instant acceleration and very smooth power delivery. And the sound, well, it's very entertaining, the number of different kinds of whines, pops, burbles and screams is hilarious. Def no gun shots now, but personally, i'm quite happy with that, it's already obnoxious enough for my sensibilities.

In comfort however, it's really quiet, I'd even say quieter than standard at cruising speed, but louder once the values open up over 4k. Which is perfect if you don't want to cause a scene.

It is however obnoxiously loud when you start up in any mode, esp, sports, but even at comfort I suspect I'm p*ssing my neighbours off in the morning. Whooops.

Extremely happy and can totally recommend it.

Last edited by Nick340; 06-02-2019 at 10:00 AM.. Reason: Trying to get link to work...
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      01-03-2019, 03:12 PM   #920
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I've had the MPPSK for over a year now - totally love it

The Comfort mode exhaust is definitely louder than non-MPPSK, and I think it's louder than when I first had the MPPSK installed. When in the back seat, the exhaust noise in Comfort is surprising - my sister-in-law said I needed a new muffler LOL.

I don't find the typical highway drone that annoying - actually it's kind of hypnotic on long road trips.
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      01-09-2019, 10:33 AM   #921
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Hi everyone,

Im picking up my new 340i next week and have been looking at getting an MPPSK upgrade.

Ive found a BMW dealer on ebay any they quoted £1,750 fitted but said it will only fit cars up to July 2018 registered.

Has anyone else had any similar issue or could explain to me why or if this will not be the case?

Thanks

Adrian
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      01-09-2019, 12:07 PM   #922
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Members on your side of the pond can probably answer your question better than I can but it is probably due to either the new noise laws in Europe we are hearing about or the particulate filter European emission regulation’s are mandating? Perhaps both. Suck’s for sure, I love my MPPSK.
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      01-09-2019, 02:01 PM   #923
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Quote:
Originally Posted by Beek View Post
Members on your side of the pond can probably answer your question better than I can but it is probably due to either the new noise laws in Europe we are hearing about or the particulate filter European emission regulationís are mandating? Perhaps both. Suckís for sure, I love my MPPSK.
That's my guess - claiming it's based on 'registration' date rather than build date suggest's it's a legal issue, not a technical issue.
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      01-09-2019, 02:11 PM   #924
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Quote:
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Members on your side of the pond can probably answer your question better than I can but it is probably due to either the new noise laws in Europe we are hearing about or the particulate filter European emission regulation's are mandating? Perhaps both. Suck's for sure, I love my MPPSK.
We have a new or revised noise law beginning Jan 2019 in CA but so far the mppsk is still on sale here. The loophole allows sale of aftermarket exhausts but bans driving with it if it is deemed "too loud"
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