BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
 





 

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      05-05-2013, 05:38 AM   #1
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Exclamation Akrapovic exhaust tips + Slek Rear diffuser fittment issue

I have a problem here with these two items ..

When I fitted the Akra exhausts with the Ti tips it was fine with the rear factory diffuser though it was rubbing a bit .


Now I have fitted the Slek rear CF diffuser, I cant put the Akra Ti tips as they are in direct contact with the diffuser and because it is a CF piece so its sensitive and prawn to braking .. and for this reason I can only drive the car without the akra tips which looks to some normal but IMO feels like somethings missing.. sure the Akra sound and valves and all works fine but aesthetically not as with the tips on..

Is this a Slek related issue or Akra ?

Any solutions to this ?
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      05-06-2013, 02:14 AM   #2
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bump for solution ...
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      05-06-2013, 07:17 AM   #3
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Most practical solution if you want to keep both the Akra exhaust and Slek diffuser and want to have peace of mind: get the Akra CF tips (normally not available as separate parts, but you have the Akra exhaust so give it a a try - "Sorry to say, but I damaged my tips during a reverse maneuver and need to replace these"): the inner ring layer of the CF tips gets hot (as normal exhaust tips do), unlike the outer ring layer (the CF bit). No heat danger for the CF diffuser. Otherwise stated, heat isolation by the outer ring.

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      05-06-2013, 04:19 PM   #4
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this has been discussed previously. first, i think you need to re-install your exhaust. second, check the rubber hangers. someone, i cant recall who at the moment, contacted akra and got different rubber hangers and the problem was fixed.
try re-installing your exhaust-with the slek diffuser on first. if that doesnt work, i would suggest calling akra about different rubber hangers.
hope this helps
( i have the revo diffuser with full akra exhaust and titanium tips.)

Last edited by Mdawood; 05-06-2013 at 06:32 PM.
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      05-06-2013, 05:59 PM   #5
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Quote:
Originally Posted by Mdawood View Post
Someone I can't recall at the moment contacted Akra and got different rubber hangers and the problem was fixed.
You refer to GTR_Steve (who recently sold his 1M):
http://www.1addicts.com/forums/showthread.php?t=653898 (thread)
http://www.1addicts.com/forums/showp...3&postcount=64 (upgraded exhaust hanger rubber mounts)
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      05-06-2013, 06:31 PM   #6
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thank you sir...
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      05-07-2013, 12:06 AM   #7
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Artemis :

The issue here is not the looks but the fact that the tips are in direct contact with the diffuser .. and the diffuser, being a CF item, is a sensitive piece and with the vibration it will break and crack .. so fitting in a CF tip wont do any difference .. thanks for your input any ways .

Mdawood : thats probably what ill do and check the guys at Akra .


Thanks guys.
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      05-07-2013, 03:09 AM   #8
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Mdawood / Artemis

I looked at the threads you posted and searched and read about the issue,and it appears that the replacement rubber mounting is an OEM BMW piece .. but can anyone confirm its from a E82 135i ?

Perhaps papethova can confirm this ?
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      05-08-2013, 05:50 AM   #9
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So according to @///M1 's post,

The replacement rubber mounts are factory E82 135i units .. I double checked and placing an order from my dealer .. I hope I can resolve this issue soon.
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      05-08-2013, 08:57 AM   #10
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hope so too. good luck
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      05-08-2013, 11:03 AM   #11
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Quote:
Originally Posted by 1'M Blue View Post
Mdawood / Artemis

I looked at the threads you posted and searched and read about the issue,and it appears that the replacement rubber mounting is an OEM BMW piece .. but can anyone confirm its from a E82 135i ?

Perhaps papethova can confirm this ?
Sorry my car has been in storage since February. I have been busy with other projects and I havent even had a chance to put tips on the exhaust yet. Itll be another 3-4 weeks atleast until I can even get to my car.
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      05-09-2013, 01:15 AM   #12
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papethova

No problem ..


I got a reply from the guys at Akrapovic claiming that the exhaust system and tips are made to fit factory spec cars .. I just fear that even with the new rubber mounts it will still touch the diffuser ..


fingers crossed !
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      05-21-2013, 07:24 AM   #13
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papethova Mdawood Artemis

Problem solved with new rubber bush mounts . thanks !

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      05-21-2013, 07:25 AM   #14
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Now its much nicer to look at with the tips again
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      05-21-2013, 12:22 PM   #15
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do you have the part number for the rubber mounts? Did you have to replace both muffler mounts? Was the issue with vertical clearance between the top of the tips and the diffuser?
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      05-21-2013, 06:13 PM   #16
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Quote:
Originally Posted by yemski View Post
do you have the part number for the rubber mounts?
Check the number on the right hand side of the upper picture:
http://www.1addicts.com/forums/showp...3&postcount=64
Compare with part #6 on this diagram:
http://realoem.com/bmw/showparts.do?...32&hg=18&fg=20

Quote:
Originally Posted by 1'M Blue View Post
Now its much nicer to look at with the tips again
Even if it those were fluorescent yellow with pink polka dots: when a grizzly bear growls, you don't care about the shape/color of his teeth, I guess.
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Last edited by Artemis; 08-15-2014 at 04:54 PM.
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      05-21-2013, 10:08 PM   #17
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[quote=Artemis;14030581]Check the number on the right hand side of the upper picture:
http://www.1addicts.com/forums/showp...3&postcount=64
Compare with part #6 on this diagram:
http://realoem.com/bmw/showparts.do?...32&hg=18&fg=20


thanks Artemis!
To the OP - not to be a killjoy but check your diffuser/exhaust tips in a couple days. From pictures I've seen the SLEK diffuser has less clearance than the vorsteiner (what I have). On my vorsteiner with Akra slip on, I have ~ 8mm vertical clearance between the top of the exhaust tips and the diffuser, but there was still some marring of my carbon tips and diffuser. For now I have placed some 3M rubber pads on those areas to eliminate contact between the tips and diffuser. If that does not work I will probably swap out the rubber hanger mounts.

FYI the part number for the 135i rubber mounts is 18207578238 #6 in this diagram http://realoem.com/bmw/showparts.do?...71&hg=18&fg=20

Last edited by yemski; 05-21-2013 at 10:21 PM.
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      05-22-2013, 06:00 AM   #18
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yemski thanks on that . and yes thats the correct part number and it comes in 3 pieces.

Where can I get those 3M rubber pads ? any direct site where I can order them ?


Artemis Lol. you gave me such a sour thought with that tip colors
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      05-22-2013, 01:01 PM   #19
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got the rubber pads here (price is for a sheet of 54):
http://www.amazon.com/3M-Bumpon-Prot...s=SJ5007+Black

Last edited by yemski; 05-25-2013 at 03:09 AM.
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