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      08-15-2017, 06:04 PM   #1
leholtet
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BMW 330e exhaust

Anybody tried to fit 335i/340i exhaust to this?
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      08-15-2017, 08:27 PM   #2
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Would be the same as any other exhaust. Should bolt right up with cutting at the dimple.
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      08-16-2017, 09:21 AM   #3
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yeah it should fit without any issue
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      08-16-2017, 10:37 AM   #4
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I always thought the 330e uses a bespoke muffler because of the battery pack...would love to have a meatier exhaust note on mine though. Subscribed...

Edit: pic from google

http://throttlechannel.com/wp-conten...nel.com-13.jpg
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      09-03-2017, 02:16 PM   #5
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i custom a quad valvetronic exhaust system on my 330e
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      07-30-2018, 02:18 AM   #6
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Quote:
Originally Posted by Alan_Tan View Post
i custom a quad valvetronic exhaust system on my 330e
How’d you get a valvetronic system to work with this? Which one did you use ?
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      06-08-2019, 07:13 AM   #7
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Quote:
Originally Posted by Alan_Tan View Post
i custom a quad valvetronic exhaust system on my 330e
How did you get quads? Doesn't the battery pack block it?
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      06-08-2019, 08:51 AM   #8
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Modifying the original exhaust is probably your best bet. Depending on much sound you want you can remove or replace the rear muffler, and replace the downpipe with a high flow cat or decat. The tailpipes you can replace with whatever you fancy and thinks look good.

This route is typically cheaper than buying something aftermarket as well, and almost nothing aftermarket is confirmed to fit the 330e, so you risk having to modify it anyway.
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      10-20-2019, 11:02 AM   #9
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Any update on how to modify the original exhaust? I'm looking to have something like the dual single tip exhaust like 335/340i's have
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      10-20-2019, 11:37 AM   #10
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Originally Posted by mia_chem View Post
Any update on how to modify the original exhaust? I'm looking to have something like the dual single tip exhaust like 335/340i's have
Most exhaust shops will be able to help you out with a custom exhaust, but having tips on both sides will require some additional modification (and possibly to your bumper too). I went with dual on just one side (same as original) but with a bigger diameter (2x3"). 2x80mm (3.15") will fit too, but I didn't find one I liked.
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      10-21-2019, 09:27 AM   #11
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Quote:
Originally Posted by hybris View Post
Most exhaust shops will be able to help you out with a custom exhaust, but having tips on both sides will require some additional modification (and possibly to your bumper too). I went with dual on just one side (same as original) but with a bigger diameter (2x3"). 2x80mm (3.15") will fit too, but I didn't find one I liked.
I have the sportline bumpers so I'm considering getting a new m sport rear bumper + diffuser anyways. Also the closest exhaust shop is 9+ hours away so i'm trying to find something that I can do myself. Do you have pics of your setup?
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      10-21-2019, 12:04 PM   #12
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So, here's a bunch of pics. Before/after removing mid-muffler, before/after replacing rear muffler (note that the tail pipes on this pic is not the ones I ended up with, which are slightly bigger). And downpipe (haven't got a pic of that on the car). The final two pictures (in box and on the car) show the tailpipe I currently have. Pretty similar looking than the one in the closeup, but slanted and a bit bigger (3")
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Thorbjorn
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Last edited by hybris; 10-21-2019 at 12:16 PM..
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      10-21-2019, 03:51 PM   #13
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That looks really good, but its the symmetric aesthetic im looking for so I'm not sure if i'd go for something like that. How's the sound after removing the mid muffler?
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      10-22-2019, 02:16 AM   #14
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Quote:
Originally Posted by mia_chem View Post
That looks really good, but its the symmetric aesthetic im looking for so I'm not sure if i'd go for something like that. How's the sound after removing the mid muffler?
Removing the mid muffler had little effect, perhaps slightly deeper sound and a slight drone when the engine meets resistance at medium RPMs (say going up a hill). If I were to do it again I probably would have left it there. Replacing the rear muffler and replacing the downpipe had the most significant impact on the sound.

The rear muffler is now a Magnaflow 11376 that has a nice deep sound, reasonably quiet on idle/cruise, and pretty loud on WOT. The downpipe increased the sound an additional 50% or so, but no additional drone and still pretty quiet during cruising. (It's a catted 200cel downpipe, not catless)
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