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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > performance exhaust question



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      09-05-2012, 08:10 AM   #1
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performance exhaust question

Hi, i'm having my local shop install PE for me. a few question:
1.) do i need to remove the battery of the car while replacing the exhaust?
2.) any DIY i can follow instructions from?
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      09-05-2012, 11:30 AM   #2
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No you don't the battery has no effect on your exhaust. Diy is not needed the install is straight forwrad. If the shop needs a diy for this then they are probably in the wrong business.
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      09-05-2012, 12:30 PM   #3
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Quote:
Originally Posted by Delta0311 View Post
No you don't the battery has no effect on your exhaust. Diy is not needed the install is straight forwrad. If the shop needs a diy for this then they are probably in the wrong business.
+1

They nee to make 2 cuts, then the whole system just clamped together.
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      09-05-2012, 02:41 PM   #4
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ok got it! thanks guys
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      09-07-2012, 10:33 AM   #5
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In case it helps anyone, I've just fitted my PE and the dealer kindly printed off the 'official' BMW fitting instructions which I've attached.

Name:  1.jpg
Views: 669
Size:  150.9 KB

2.pdf

3.pdf

4.pdf

5.pdf

6.pdf

One tip is not to bother to try to decouple the old exhaust by removing the rubber hangers - they are VERY tight. Instead, just unbolt the hanger brackets, then you can reconnect off the car.

Bear in mind these instructions relate to the European N53 engine (direct petrol injection) which has a much smaller central muffler than some markets and an additional emissions sensor midway along the exhaust. So the centre muffler delete pipework cannot be fitted. In other words it's a rear muffler only.

Overall impressions? Wow! As has been said before, the sound is just great and the rear tips look like an oversized sawn-off shotgun! I shall be driving everywhere with the windows open from now on!

If you've not seen it, this is my favourite PE video clip:

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      10-03-2012, 04:19 PM   #6
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Hi Guys i only have a 320 but i want a sportier sound any recommendations? Thanks
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      10-03-2012, 07:30 PM   #7
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For those of you with the PE I realize it comes with the clamps but did any of you have it welded up instead?
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      10-03-2012, 07:35 PM   #8
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Quote:
Originally Posted by benzo23 View Post
For those of you with the PE I realize it comes with the clamps but did any of you have it welded up instead?
Me

Didnt trust clamp for the pressure. Everything is welded; no leaks. Anyways it was the same price $40 with or without the clamps and they charged me $20 to fix my cyba tips at the correct lenght.
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      10-03-2012, 10:38 PM   #9
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lol is this a serious thread???
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      10-03-2012, 11:08 PM   #10
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Quote:
Originally Posted by benzo23 View Post
For those of you with the PE I realize it comes with the clamps but did any of you have it welded up instead?
I had it welded as well.
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      10-04-2012, 02:36 AM   #11
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Quote:
Originally Posted by benzo23 View Post
For those of you with the PE I realize it comes with the clamps but did any of you have it welded up instead?
Have you actually seen the clamps? I was convinced that clamping a butted joint would be a certain recipe for leaks. But the clamp is so tight-fitting and heavy duty that I was proved wrong.
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      10-04-2012, 08:55 AM   #12
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Quote:
Originally Posted by Phil325i View Post
Have you actually seen the clamps? I was convinced that clamping a butted joint would be a certain recipe for leaks. But the clamp is so tight-fitting and heavy duty that I was proved wrong.
I have actually seen the clamps, I have 3 of them sitting in a box on the other side of the room with the PE. Its getting installed on saturday and just wondering what direction I want to go. I like the idea of having it all welded up and not having to worry about anything ever coming loose or corroding
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      10-04-2012, 09:20 AM   #13
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I had mine welded on as well, I dont trust clamps
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      10-04-2012, 03:14 PM   #14
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Quote:
Originally Posted by benzo23 View Post
I have actually seen the clamps, I have 3 of them sitting in a box on the other side of the room with the PE. Its getting installed on saturday and just wondering what direction I want to go. I like the idea of having it all welded up and not having to worry about anything ever coming loose or corroding
The clamps are stainless steel, they won't corrode.
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      02-05-2014, 07:56 AM   #15
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Quote:
Originally Posted by Phil325i View Post
In case it helps anyone, I've just fitted my PE and the dealer kindly printed off the 'official' BMW fitting instructions which I've attached.

Attachment 747380

Attachment 747381

Attachment 747382

Attachment 747383

Attachment 747384

Attachment 747385

One tip is not to bother to try to decouple the old exhaust by removing the rubber hangers - they are VERY tight. Instead, just unbolt the hanger brackets, then you can reconnect off the car.

Bear in mind these instructions relate to the European N53 engine (direct petrol injection) which has a much smaller central muffler than some markets and an additional emissions sensor midway along the exhaust. So the centre muffler delete pipework cannot be fitted. In other words it's a rear muffler only.

Overall impressions? Wow! As has been said before, the sound is just great and the rear tips look like an oversized sawn-off shotgun! I shall be driving everywhere with the windows open from now on!

If you've not seen it, this is my favourite PE video clip:

amazin info, i got the same pe in my euro 325i, wanted to know if i change the tips to cyba any idea the thickness i need?

Thanks..
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      02-05-2014, 08:05 AM   #16
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Quote:
Originally Posted by insane79 View Post
wanted to know if i change the tips to cyba any idea the thickness i need?
Sorry don't know...suggest you contact Cyba. But why would you? IMHO the PE tips look just great!
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      02-05-2014, 08:43 AM   #17
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Quote:
Originally Posted by Phil325i View Post
Sorry don't know...suggest you contact Cyba. But why would you? IMHO the PE tips look just great!
ya they do but mine got abit bent cause of a stupid accident & then had to trim them off by an inch, they are very thin & don't look sporty for me, love the cyba tips but even he has no idea regarding the euro pe for our cars..

Thanks..
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      02-05-2014, 09:22 AM   #18
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Suggest you measure the PE pipe diameter at the point just before the tips are added. That measurement should enable Cyba to tell you which of thier products will fit...
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      02-05-2014, 09:29 AM   #19
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Quote:
Originally Posted by Phil325i View Post
Suggest you measure the PE pipe diameter at the point just before the tips are added. That measurement should enable Cyba to tell you which of thier products will fit...
yup will do that when i get back to town as i m travelling & i m away from the car i thought someone here must have already changed the tips to cyba ones, will do it when i get back soon. I have to measure the pipe diameter from where the tips start correct? sorry not good in all this..

Thanks.
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      02-05-2014, 09:43 AM   #20
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question: do the PE tips just screw off? I want to buy the black carbon... and dont feel like jumping through hoops to change it
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      02-05-2014, 09:45 AM   #21
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question: do the PE tips just screw off? I want to buy the black carbon... and dont feel like jumping through hoops to change it
nope they need to be cut & wielded..
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      02-05-2014, 09:46 AM   #22
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nope they need to be cut & wielded..
slayyy me okay
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