23i exhaust pipe diameter

Specific discussion about the E89 2009 Z4 (sDrive35is, sDrive35i, sDrive30i, sDrive23i)
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Zed Baron
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23i exhaust pipe diameter

Post by Zed Baron » Fri Mar 15, 2019 11:27 am

Hi folks, anyone know the diameter of the exhaust pipes on the 23i, looking to change the exhaust tips :D

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23i exhaust pipe diameter

Post by Mikopop » Fri Mar 15, 2019 11:48 am

Hi Zed

I am looking at this exact same thing just now.
I managed to remove one of my original tips and measure it.
The pipe is 60mm so any of the aftermarket 63mm will be ok unless you have a side by side exhaust, thats when things become a bit more difficult.

I haven't found anything other than replacing with BMW original yet.

:cry:
2009 E89 2.3 silver

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23i exhaust pipe diameter

Post by Zed Baron » Fri Mar 15, 2019 12:05 pm

Thanks thats great the search begins!

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23i exhaust pipe diameter

Post by Mikopop » Fri Mar 15, 2019 12:30 pm

I really fancied the Akropovic style tips but can't seem to get the diameter's to work on a side by side. Would love for someone to find some slim ones. Keep us updated bud.
2009 E89 2.3 silver

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23i exhaust pipe diameter

Post by flybobbie » Sun Mar 17, 2019 9:37 am

Try Amazon, i bought these for my 23i about £20 pair.
And yes, the two right hand are false exhaust, but looks great :D
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23i exhaust pipe diameter

Post by zedwheels » Sun Mar 17, 2019 9:38 pm

flybobbie wrote:
Sun Mar 17, 2019 9:37 am
Try Amazon, i bought these for my 23i about £20 pair.
And yes, the two right hand are false exhaust, but looks great :D
Hi there.
That's a good look wouldn't know unless you said that the R/H are dummies. Can I ask did you cut the bumper yourself and if so what did you use?
And how did you fix the dummies and to what?
Think I would like to borrow your idea. :)

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23i exhaust pipe diameter

Post by R60BBA » Sun Mar 17, 2019 10:47 pm

flybobbie wrote:
Sun Mar 17, 2019 9:37 am
Try Amazon, i bought these for my 23i about £20 pair.
And yes, the two right hand are false exhaust, but looks great :D
Sorry but that is just so wrong. :cry:
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23i exhaust pipe diameter

Post by Zed Baron » Sun Mar 17, 2019 11:49 pm

flybobbie wrote:
Sun Mar 17, 2019 9:37 am
Try Amazon, i bought these for my 23i about £20 pair.
And yes, the two right hand are false exhaust, but looks great :D
Ive ordered some cheapies from Amazon, even if they don't last it will give me an opportunity to get the originals professionally polished :)

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23i exhaust pipe diameter

Post by flybobbie » Tue Mar 19, 2019 4:13 am

Two versions, i stuck with the lower.
I made a simple bracket that bolts to a bumper mount. Two lengths of exhaust tube welded to bracket.
Then just sawed the the cut out, after tracing off the left side.
Gives it a proper balanced look.
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23i exhaust pipe diameter

Post by zedwheels » Tue Mar 19, 2019 11:26 am

That looks like a professional job. :thumbsup:

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23i exhaust pipe diameter

Post by Zed Baron » Tue Mar 19, 2019 6:31 pm

Well my £18.29 cheapies arrived today from Amazon
pipe.jpg
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, took less than 10 minutes to take the old ones off and the new ones on. They fit well, Ill get the originals either re chromed or polished.

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23i exhaust pipe diameter

Post by Pbondar » Tue Mar 19, 2019 7:13 pm

Zed Baron wrote:
Tue Mar 19, 2019 6:31 pm
Well my £18.29 cheapies arrived today from Amazonpipe.jpg, took less than 10 minutes to take the old ones off and the new ones on. They fit well, Ill get the originals either re chromed or polished.
Hi what’s the Amazon url you used pls?
2012 E89 20i MSport Auto Atacama Yellow Changes (Wheels/Tyres/Spoiler/Steering Wheel/Shock Absorbers/ARB/Diff/Diffuser/Brakes) Upcoming changes (Speakers) Full Whippy here!

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23i exhaust pipe diameter

Post by Zed Baron » Tue Mar 19, 2019 7:17 pm


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Post by flybobbie » Tue Mar 19, 2019 7:23 pm

They look like the ones i bought with the small drain hole.
Seems to be a lot of same product but with different names.

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23i exhaust pipe diameter

Post by Zed Baron » Tue Mar 19, 2019 7:42 pm

flybobbie wrote:
Tue Mar 19, 2019 7:23 pm
They look like the ones i bought with the small drain hole.
Seems to be a lot of same product but with different names.
yep they have the small hole, really surprised how good they are for the money

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