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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 11-08-2007, 02:40 PM   #1
bmwlamp
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golf tee

anyone know what the golf tee mod is and how to do it?
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Old 11-08-2007, 03:11 PM   #2
M0nk3y
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Search on this forum. There are tons of DIY about this. This is how i learned how to do it..........
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Old 11-08-2007, 03:14 PM   #3
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I swear, if anyone else asks what the golf tee mod is, I'll smurf them in their smurfing smurfs.
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Old 11-08-2007, 03:17 PM   #4
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I swear, if anyone else asks what the golf tee mod is, I'll smurf them in their smurfing smurfs.
AHAHAHAHAHHA
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Old 11-08-2007, 03:25 PM   #5
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The Golf tee mod is possible with the 325xi and the 330i/xi exhaust. The exhaust system has a valve on the innermost pipe that is closed at lower revs and opens when tach exceeds 2000 rpm.



The golf tee mod is done by pulling the tubing off the gate above the valve and sticking a tee or bolt into the end. Ziptie to ensure tee stays in place.



This keeps the valve open all the time (a lot of city driving is below 3000 rpm) for a throatier exhaust note and great flow of exhaust.
BMWs purpose for the valve is to reduce exhaust noise as much as possible, probably for obscure vehicle regulations.
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Old 11-08-2007, 03:30 PM   #6
M0nk3y
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Who cares about those. Golf Tee Mod ftw....... It sounds much better. But of course, it is no after market exhaust
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Old 11-08-2007, 03:34 PM   #7
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chrome m3?
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Old 11-08-2007, 03:35 PM   #8
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FTW!

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chrome m3?
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Old 11-08-2007, 03:47 PM   #9
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chrome m3?

FTMFW!
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Old 03-24-2008, 05:30 PM   #10
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does this give you error codes?
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Old 03-24-2008, 05:49 PM   #11
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anyone i searched but couldent find anything?
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Old 03-24-2008, 06:45 PM   #12
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I did the golf tee mod, noticed zero difference
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Old 03-24-2008, 06:47 PM   #13
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I did the golf tee mod, noticed zero difference
I think this "mod" is a joke. Did it on my mom's 330 years ago and noticed no difference in sound at any rpm or speed.
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Old 09-23-2008, 08:30 PM   #14
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I have wondered why my 2003 330i sounded deeper in tone, after reading this thread I found for some reason my flapper stays open when stopped. I am having problems finding anyone who will keep running and bending over to find out if it closes at any given RPM. BTW could I have a vacuum leak as I can find no golf tee........
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Old 09-23-2008, 08:44 PM   #15
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I have wondered why my 2003 330i sounded deeper in tone, after reading this thread I found for some reason my flapper stays open when stopped. I am having problems finding anyone who will keep running and bending over to find out if it closes at any given RPM. BTW could I have a vacuum leak as I can find no golf tee........
It should be closed when your car is off or idling.
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To answer your question, it's something you can find by searching the forum or using Google
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Old 09-23-2008, 09:42 PM   #16
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Mine doesn't close when idling. Anyone has a mod to get this closed ? Call it a reverse golf tee mod.
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Old 09-23-2008, 10:47 PM   #17
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i did this on my 323....323's in Australia have the flap, well mine did anyways, i noticed a little difference. A little bit of drone but you get used to the sound within 5 minutes
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Old 09-23-2008, 10:50 PM   #18
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do ZHP's have this? cuz I checked the other day and i definately dont have a flap...?
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Old 09-23-2008, 11:27 PM   #19
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Does all the e46 have this "golf tee"?.
I could'nt find it in mine
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Old 09-23-2008, 11:34 PM   #20
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Does all the e46 have this "golf tee"?.
I could'nt find it in mine
i dont know how it is in Puerto Rico, but in the US i think its only on 330's
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