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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Cannot find the Golf Tee Mod for 335i



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      08-12-2008, 12:36 PM   #353
GONFLYN
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Just did the mod. Pulled the vacuum line from the left tailpipe, stuck the golf tee in it, taped it and tucked it up out of the way. Capped the connection on the tailpipe.

Definately notice an increase in sound while idling, hot or cold. Not huge, just a tasteful purr that it didnt have before.

Also hear a difference in the mid rpm range, during light acceleration and while cruising on the highway, seems to become more pronounced once you hit about 2000rpm. I would describe it as a subtle growl most of the time or occasionally, dare I day it, ahem, a drone.

Havent detected any difference in performance at all.

Anyway, to me, it sounds really nice, just right, not in-your-face rice burner coffee can but just enough rumble to remind me that there is one bitchin' lil motor under the hood of this car.
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      08-12-2008, 01:20 PM   #354
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didnt longtran said that you would lose some HP? like 10 or so?
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      08-12-2008, 01:46 PM   #355
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i didn't like this mod, the droning at low rpms is quite annoying, i think it's for the kids on the board who want to be noticed

it doesn't assist horsepower or performance at all

edit: I come from driving a Viper, so I'm pretty much sick of loud and obnoxious, it's harder to engineer a car that performs silently
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      08-12-2008, 02:44 PM   #356
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Originally Posted by gimp2x View Post
i didn't like this mod, the droning at low rpms is quite annoying, i think it's for the kids on the board who want to be noticed

it doesn't assist horsepower or performance at all

edit: I come from driving a Viper, so I'm pretty much sick of loud and obnoxious, it's harder to engineer a car that performs silently
Droning? Wtf are you talking about? There shouldn't be any droning with just this quick, easy mod, and it's really only noticeably louder upon a cold startup.
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      08-12-2008, 04:00 PM   #357
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Careful with this mod... What would seem to be a simple thing actually caused an issue for me. I didn't go the way of the golf tee or bb, you can disconnect the actuator in the trunk behind the driver's side tail light access panel, which is what I did. After about 10k miles I started to develop a pulsing in my throttle at constant speeds - after two trips to the dealer and discussions with BMW engineers, the found that the computer was making adjustments because the resonator valve was not closing and creating a mild back pressure issue.

FWIW the issue took forever to develop so if you really enjoy the sound and don't mind having your adaptations reset every so often - have at it.
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      08-12-2008, 04:30 PM   #358
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Originally Posted by bimmerpath View Post
Careful with this mod... What would seem to be a simple thing actually caused an issue for me. I didn't go the way of the golf tee or bb, you can disconnect the actuator in the trunk behind the driver's side tail light access panel, which is what I did. After about 10k miles I started to develop a pulsing in my throttle at constant speeds - after two trips to the dealer and discussions with BMW engineers, the found that the computer was making adjustments because the resonator valve was not closing and creating a mild back pressure issue.

FWIW the issue took forever to develop so if you really enjoy the sound and don't mind having your adaptations reset every so often - have at it.
That was the problem...no need to do that. Just plug the tube with a tightly screwed-in screw and cap the nipple. That's it; no issues, just a deeper, slightly louder exhaust note with both flaps open.
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      04-14-2009, 05:21 AM   #359
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Originally Posted by lukeeesteve View Post
Okay, here you go:
this topic is old but goodi did like in a picture, started car yes it is louder, not tryed on a road yet, as i understand driving in highway it is also louder? And by the way what is 7/32 is the ball bearing? sorry for noob question and as i understand ziping as in a picture wont harm anything? and does it takes more fuel with this mod?

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      04-20-2009, 03:19 PM   #360
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And by the way what is 7/32 is the ball bearing?
A ball bearing with a diameter of 7/32 of an inch.

Quote:
ziping as in a picture wont harm anything?
Nope.

Quote:
and does it takes more fuel with this mod?
Nope.
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      04-20-2009, 04:25 PM   #361
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Quote:
Originally Posted by sflgator View Post
Droning? Wtf are you talking about? There shouldn't be any droning with just this quick, easy mod, and it's really only noticeably louder upon a cold startup.
There is droning.

I noticed it at highway speeds. It isn't bad and you really have to hit the exact perfect RPM, but it's there.
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      04-20-2009, 04:28 PM   #362
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Quote:
Originally Posted by bimmerpath View Post
Careful with this mod... What would seem to be a simple thing actually caused an issue for me. I didn't go the way of the golf tee or bb, you can disconnect the actuator in the trunk behind the driver's side tail light access panel, which is what I did. After about 10k miles I started to develop a pulsing in my throttle at constant speeds - after two trips to the dealer and discussions with BMW engineers, the found that the computer was making adjustments because the resonator valve was not closing and creating a mild back pressure issue.

FWIW the issue took forever to develop so if you really enjoy the sound and don't mind having your adaptations reset every so often - have at it.
Orly?

First I've heard of this.. I've had mine unplugged for about 15k of my 20k miles and do notice a pulsing at idle occassionally. I just attributed it to BMW's awesome fuel pumps. Anyone else have this pulsing at a constant speed?
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      04-20-2009, 04:41 PM   #363
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Quote:
Originally Posted by ianthegreat View Post
Orly?

First I've heard of this.. I've had mine unplugged for about 15k of my 20k miles and do notice a pulsing at idle occassionally. I just attributed it to BMW's awesome fuel pumps. Anyone else have this pulsing at a constant speed?
No pulsing here, although my butt dyno told me there was some what of a power loss when I disconnected the plug (my car did not feel as responsive).. And yes the droning on the freeway was too annoying for me. I have since plugged it back in and have not had an itch to take it back off.
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      04-22-2009, 05:00 AM   #364
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tryed this mode for 1 day, yes its cool sound, but went back again....afraid of ruining my car.......better get an aftermarked exhaust
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      04-22-2009, 05:47 AM   #365
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Originally Posted by **335i** View Post
tryed this mode for 1 day, yes its cool sound, but went back again....afraid of ruining my car.......better get an aftermarked exhaust
dude i really don't know what to say. the left one even had that close out feature was because it was too loud for "target market". so you don't want to "ruin" your car, so you rather switch 2 stock exhaust that guarantees warranty for 2 aftermarket exhaust that no1 knows what the long term effects will be (prob none) but still.
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      04-22-2009, 06:13 AM   #366
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No gains

An aftermarket cat-back exaust is a better option. There cannot be "droning" with this mod. The increase in sound compared to stock is...quite frankly...not worth it.
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      04-22-2009, 07:02 AM   #367
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dude i really don't know what to say. the left one even had that close out feature was because it was too loud for "target market". so you don't want to "ruin" your car, so you rather switch 2 stock exhaust that guarantees warranty for 2 aftermarket exhaust that no1 knows what the long term effects will be (prob none) but still.
so its only made for not droning in low rpms (that valve), nothing related with engine? well i agree that those who can afford to buy this moment aftermarket exhaust maybe its good choice, just for sound, will ask my dealers what they think about it
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      04-08-2010, 09:10 PM   #368
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My hose refuses to come off.
2008 335i sedan.
Any suggestions?
I don't want to break the hose?
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      04-08-2010, 09:51 PM   #369
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My hose refuses to come off.
2008 335i sedan.
Any suggestions?
I don't want to break the hose?
lube it and gently nudge and tug on it with a twist and rub motion until it releases.
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      04-08-2010, 10:00 PM   #370
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lube it and gently nudge and tug on it with a twist and rub motion until it releases.
WD-40???
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      04-09-2010, 12:33 AM   #371
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Originally Posted by samwoo2go View Post
lube it and gently nudge and tug on it with a twist and rub motion until it releases.


Now THAT was a sexual innuendo.

I'm having similar trouble with mine.
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      04-09-2010, 12:37 AM   #372
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A) Man up. Go to the gym, get some muscles.

B) Take a knife, cut a horizontal slit in the direction of the nipple and pop it right off then cut the hose with a scissor. It'll only be a quarter inch or so shorter.
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      04-09-2010, 12:46 AM   #373
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WD-40???
I spit on mine
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      04-09-2010, 12:52 AM   #374
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A) Man up. Go to the gym, get some muscles.

B) Take a knife, cut a horizontal slit in the direction of the nipple and pop it right off then cut the hose with a scissor. It'll only be a quarter inch or so shorter.


I do go to the gym lol...well sometimes...but my way of thinking is if I yank the shit out of it, it'll give and I'll smack my knuckles on the concrete garage floor...

...just like I yanked the shit out of my shifter knob and got a 6MT imprint in my head.

Edit: Followed Jay Kay's instructions and worked like a charm. Sounds great. More responsive and seems to shift a little smoother....gurgle on deceleration/shifting is more pronounced. Woohoo
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