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2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning Exhaust tips size: MPE versus stock

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      11-07-2015, 06:24 AM   #23
horsepower_and_hounds
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Yes sir they did......just tapped them on with a soft blow mallet. Here is a side by side
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      11-07-2015, 06:27 AM   #24
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Thanks so much for that; you've been a great help.

Last edited by PeteSoulDeep; 11-08-2015 at 02:12 AM..
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      11-07-2015, 08:39 AM   #25
horsepower_and_hounds
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YW.....on the tips just push the tabs flatter a bit and line it up well. I used a block of wood in a rag flat across the end and banged it on with a mallet.
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      11-23-2015, 11:16 AM   #26
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looking for black crome that slip over the stock pipes.
NO cutting, my M235i for just a cosmetic look!
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      11-23-2015, 10:20 PM   #27
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Quote:
Originally Posted by Spydeputy View Post
looking for black crome that slip over the stock pipes.
NO cutting, my M235i for just a cosmetic look!
Check out BMS tips. They are nice high quality and slip over the oem exhaust.
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      05-12-2016, 04:00 AM   #28
barfastic
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Can anyone tell me the pipe size of the m235i MPE before the Tips? I think i read somewhere that it is 68mm.

M
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      05-20-2016, 03:59 AM   #29
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the tips on MPE are exact same size as the standard black ones not bigger as people seem to think. The pipes they slide onto are bigger of course thats where people get confused. heres pic of mine...
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      05-20-2016, 04:04 AM   #30
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Quote:
Originally Posted by mc3456 View Post
Since I installed the M Performance diffuser on my GF's M235, but she is not ready for a full blown MPE, I bought the adapter pipes and M Performance tips since the stock tips don't stick out enough.

Unfortunately, the adapter pipes do not account for the peg that positions the stock tips, so I am going to have to saw the peg off and file down the residual metal before being able to seat the adapter pipe. Kind of a pain in the a$$.

What have others done to resolve the issue? Curious to know before cutting off the alignment pegs. That is the path of least resistence versus altering the adapter pipe. Suggestions???
i sawed the pegs off on mine..then fits perfect..however the offical way bmw instructions show is to cut 110mm off the length of standard pipe then you dont get the inner pipe showing when you slide adaptors and tips on.
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      05-20-2016, 08:33 AM   #31
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Anyone have images of the mp diffuser and stock tips/exhaust without the extension/adaptors? BMW says they are necessary. BMW dealer claims only rarely does someone buy them when they buy the diffuser.
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      05-20-2016, 08:58 AM   #32
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Quote:
Originally Posted by Orenji View Post
Anyone have images of the mp diffuser and stock tips/exhaust without the extension/adaptors? BMW says they are necessary. BMW dealer claims only rarely does someone buy them when they buy the diffuser.
probably cause an auto part might have them for $15 instead of $80 lol
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      05-20-2016, 09:02 AM   #33
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Quote:
Originally Posted by Orenji View Post
Anyone have images of the mp diffuser and stock tips/exhaust without the extension/adaptors? BMW says they are necessary. BMW dealer claims only rarely does someone buy them when they buy the diffuser.
Here you go.

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      05-20-2016, 11:31 AM   #34
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Many thanks Michall.
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      05-20-2016, 10:30 PM   #35
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Quote:
Originally Posted by leeadam View Post
i sawed the pegs off on mine..then fits perfect..however the offical way bmw instructions show is to cut 110mm off the length of standard pipe then you dont get the inner pipe showing when you slide adaptors and tips on.
I sawed off then filed my GF's as well. The tips feel very secure that way.
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      08-26-2017, 01:18 AM   #36
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I know this is an old thread but I'm running into this issue too. With the m perf diffuser and stock exhaust, can I just use the intermediate pipe extenders (~$50) and the stock tips so that the tips will stick out the same amount they do on the car completely stock?
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      01-06-2018, 09:37 PM   #37
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http://www.burgertuning.com/billet_e...r_e9x_335.html

Anyone know if these will fit mperformance muffler? I measured a while back but forget what size.

I think the od was 2 5/8". I bet these would work with the set screw. Maybe use a shim if needed to snug it up?
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      04-06-2018, 08:40 AM   #38
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Quote:
Originally Posted by jmwilson125 View Post
http://www.burgertuning.com/billet_e...r_e9x_335.html

Anyone know if these will fit mperformance muffler? I measured a while back but forget what size.

I think the od was 2 5/8". I bet these would work with the set screw. Maybe use a shim if needed to snug it up?

I was wondering the same. Did you end up trying?
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      04-06-2018, 12:39 PM   #39
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Quote:
Originally Posted by mahyarv14 View Post
I was wondering the same. Did you end up trying?
I did not, I went out and bought the set screws and tap from home depot for $10. The pipe was about $30 for 12", I just never ordered it.

Assuming that you are somewhat handy and have a drill and a way to cut the tube to length this should be minimal effort and cost and fully reversible.

Here is a quick scaled drawing that I did up. Red would be exhaust, blue would be the ss shim pipe, and the tip is not shown.

I would use something like the parts below. just make sure that you buy the right tap for the fastener. I'd also recommend the finest threads that you can get for the best engagement in the thin walled material. Maybe put a dab of blue lock tight too? or a somewhat heat resistant lock tight.

https://www.speedymetals.com/pc-4511...-annealed.aspx

https://www.homedepot.com/p/The-Hill...FYOtyAodhfwNdA

https://www.homedepot.com/p/DEWALT-3...1400/204787258
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