WANTED Bmwp exhaust e87 130i

All other aftermarket mods

Moderators: Rich196, babybmwadmin, marco_polo, Producethis, Lambster

tttc
Junior Member
Junior Member
Posts: 22
Joined: Sun May 14, 2017 9:24 pm

Re: WANTED Bmwp exhaust e87 130i

Post by tttc » Mon Jan 29, 2018 7:37 pm

https://youtu.be/-9eSFM4fRQA


Sent from my iPhone using Tapatalk

Scorp
Knowledgeable Member
Knowledgeable Member
Posts: 57
Joined: Fri Dec 16, 2016 8:17 am
Location: Blackburn

Re: WANTED Bmwp exhaust e87 130i

Post by Scorp » Mon Jan 29, 2018 10:20 pm

That...sounds nice..

Whats he done top make it like this?

markhurley
Enthusiastic Member
Enthusiastic Member
Posts: 1493
Joined: Wed Jul 04, 2012 9:32 pm

Re: WANTED Bmwp exhaust e87 130i

Post by markhurley » Tue Jan 30, 2018 6:29 am

I’ve booked my car in for exhaust surgery I will update once done .. will be towards the end of feb
130i Birds B1 suspension,M3 front arms,M3 rear arms,Powerflex inserts ,BMWP strut brace,M135i front brake's,BMWP rear brake's, 28mm M3 front roll bar,20mm white line rear roll bar ,Quaife LSD,MPSCup2tyre's.

jonwilli
Enthusiastic Member
Enthusiastic Member
Posts: 825
Joined: Wed Dec 10, 2014 8:50 pm
Location: Devon

Re: WANTED Bmwp exhaust e87 130i

Post by jonwilli » Tue Jan 30, 2018 6:49 am

Modified 135i back box with some chrome exhaust tips welded on would be the cheapest way to look OEM and get a bit more noise than BMWP box. I think BMW even sell slide on chrome exhaust tips for the 3 series that could be used.

tttc
Junior Member
Junior Member
Posts: 22
Joined: Sun May 14, 2017 9:24 pm

Re: WANTED Bmwp exhaust e87 130i

Post by tttc » Tue Jan 30, 2018 7:58 am

I think the 135 backbox plus Y pipe is the way to go for less spend, but seems to require some fabrication in that the hangers on the 135 box need moving and some custom pipe work to connect the mid pipes to the back. I need to do more research and learn what this actually means though :)

Fritz
Knowledgeable Member
Knowledgeable Member
Posts: 195
Joined: Thu Jan 26, 2017 1:03 pm

Re: WANTED Bmwp exhaust e87 130i

Post by Fritz » Tue Jan 30, 2018 11:22 am

I'd also be very interested to see an opened 130i backbox. I currently have a spare system that I'm considering doing this to, the quote to weld it back up was £50-£60

Poormans
Experienced Member
Experienced Member
Posts: 293
Joined: Mon May 01, 2017 10:47 pm

Re: WANTED Bmwp exhaust e87 130i

Post by Poormans » Tue Jan 30, 2018 7:47 pm

There are pictures about of cut x30i boxes. Makes it look like there are only subtle internal differences with stock. Also drove a 130i years back with a PPI and PPE. But in retrospect, the mid box was probably also removed. Sounded glorious, like a m3 3.0.. loudness was around 7.5 to 8. On a scale where 10 is taking the p*ss and golf T mod is aprox a 6.

Would love to manual the flapper too. Always shut/stock/always open.
shooting brake

User avatar
supercati
Experienced Member
Experienced Member
Posts: 214
Joined: Fri Mar 24, 2017 10:17 am
Location: Barcelona

Re: WANTED Bmwp exhaust e87 130i

Post by supercati » Wed Jan 31, 2018 7:47 am

Poormans wrote:
Tue Jan 30, 2018 7:47 pm
Would love to manual the flapper too. Always shut/stock/always open.
You can do that! :)

I will do it soon to mine, I will try to do a DIY. It's like a 20€ mod, very easy. 12V relay on the trunk, and you're able to close or open it with a remote controller :D .
130i E81 2007 LHD - Sparkling Graphite Metallic / Boston Terra - CDV Delete - 135i ESD with resonator delete - LED Blacklines - RIP :(
130i E81 2008 LHD - LSE / Boston Terra - Complete HiFi Retrofit - CDV Delete - LED Blacklines - BMWP SSK -

User avatar
0l0dom0l0
Too Much Time To Waste Member
Too Much Time To Waste Member
Posts: 2854
Joined: Sat Oct 18, 2014 6:48 pm

Re: WANTED Bmwp exhaust e87 130i

Post by 0l0dom0l0 » Wed Jan 31, 2018 1:36 pm

Did a lot of research into this.

BMWP sounds great, but the change from stock in terms of volume isn't much. At cold starts it's pretty throaty and howls at the top end but overall in the cabin I'd say it's underwhelming.

Biggest area of restriction (for sound) is the mid box. You need to delete that get any more substantial volume. I have deleted mine and run it with the BMWP backbox which really brings it alive.

I've currently got a leak under the car due to the poor fabrication of the pipe so am looking to order the bastuck mod pipe from germany for £150 that deletes the centre resonator and bolt that up to my BMWP backbox.

Also for reference the BMWP backbox is already straight through on the flap control side of the exhaust.

If doing it again I would go 135 backbox and centre resonator delete and save the money over the BMWP backbox.
2007 130i LE - BMWP Exhaust, Strut Brace, Air Filter, Short Shift kit and Handbrake.
B12 KIT with M3 LCA and TS.
Plus Cruise Control, Digital Speedo, CDV Delete, Camber Pin Mod, OEM LED Numberplate Lights, Brighter Non-dimming OEM Angel Eyes.

tttc
Junior Member
Junior Member
Posts: 22
Joined: Sun May 14, 2017 9:24 pm

Re: WANTED Bmwp exhaust e87 130i

Post by tttc » Wed Jan 31, 2018 1:38 pm

Does mid box delete give any MOT/emissions issues? or is it purely there for sound reduction?

User avatar
0l0dom0l0
Too Much Time To Waste Member
Too Much Time To Waste Member
Posts: 2854
Joined: Sat Oct 18, 2014 6:48 pm

Re: WANTED Bmwp exhaust e87 130i

Post by 0l0dom0l0 » Wed Jan 31, 2018 2:18 pm

tttc wrote:
Wed Jan 31, 2018 1:38 pm
Does mid box delete give any MOT/emissions issues? or is it purely there for sound reduction?
I'm about to find out as mine is going in on Saturday.

There won't be any emissions issues though, it's not a catalyst.
2007 130i LE - BMWP Exhaust, Strut Brace, Air Filter, Short Shift kit and Handbrake.
B12 KIT with M3 LCA and TS.
Plus Cruise Control, Digital Speedo, CDV Delete, Camber Pin Mod, OEM LED Numberplate Lights, Brighter Non-dimming OEM Angel Eyes.

Fritz
Knowledgeable Member
Knowledgeable Member
Posts: 195
Joined: Thu Jan 26, 2017 1:03 pm

Re: WANTED Bmwp exhaust e87 130i

Post by Fritz » Wed Jan 31, 2018 2:34 pm

Thought I read somewhere in a post from Marco that a car has to have the right number of resonator boxes to pass the mot


Sent from my iPhone using Tapatalk

User avatar
JayBee89
Knowledgeable Member
Knowledgeable Member
Posts: 57
Joined: Mon May 02, 2016 12:02 pm

Re: WANTED Bmwp exhaust e87 130i

Post by JayBee89 » Wed Jan 31, 2018 5:10 pm

0l0dom0l0 wrote:
Wed Jan 31, 2018 2:18 pm
tttc wrote:
Wed Jan 31, 2018 1:38 pm
Does mid box delete give any MOT/emissions issues? or is it purely there for sound reduction?
I'm about to find out as mine is going in on Saturday.

There won't be any emissions issues though, it's not a catalyst.
My 2010 125i is running a Y pipe with a standard back box and it flew through its MOT at BMW last year.
2010 Alpineweiss 125i E82 M Sport | Dare DR-RS 18", Eibach Pro Street S, Darklines | Thread: viewtopic.php?f=19&t=85931 |

Fritz
Knowledgeable Member
Knowledgeable Member
Posts: 195
Joined: Thu Jan 26, 2017 1:03 pm

Re: WANTED Bmwp exhaust e87 130i

Post by Fritz » Wed Jan 31, 2018 5:19 pm

JayBee89 wrote:
Wed Jan 31, 2018 5:10 pm
0l0dom0l0 wrote:
Wed Jan 31, 2018 2:18 pm
tttc wrote:
Wed Jan 31, 2018 1:38 pm
Does mid box delete give any MOT/emissions issues? or is it purely there for sound reduction?
I'm about to find out as mine is going in on Saturday.

There won't be any emissions issues though, it's not a catalyst.
My 2010 125i is running a Y pipe with a standard back box and it flew through its MOT at BMW last year.
Is there any droning with your system?

User avatar
JayBee89
Knowledgeable Member
Knowledgeable Member
Posts: 57
Joined: Mon May 02, 2016 12:02 pm

Re: WANTED Bmwp exhaust e87 130i

Post by JayBee89 » Thu Feb 01, 2018 1:20 pm

Fritz wrote:
Wed Jan 31, 2018 5:19 pm

Is there any droning with your system?
There is a little, tends to be around 2000rpm but apart from that it's fine. Mine's been done for about a year now so I'm used to it. I'd highly recommend getting it done if you're on the fence. It sounds great with the y pipe!
2010 Alpineweiss 125i E82 M Sport | Dare DR-RS 18", Eibach Pro Street S, Darklines | Thread: viewtopic.php?f=19&t=85931 |

Post Reply

Return to “Aftermarket modifications”