Downpipes installation, FML

HermanL · 08-09-2011, 08:33 PM

I know this topic has been covered a million times but I still have to say it again, Downpipes installation is PAIN IN THE ASS! there is never enough room to work on, I somehow manage to take the stock piping off, when I tried to line up the catless pipes, BANG, that stupid clamp split into half...

Guess I have to let it sit in my garage for a while till I get a new clamp for Tischer. share your PITA experience of downpipe intalling here and appreciate ang advise for reinstalling downpipes.

Tzu · 08-09-2011, 08:57 PM

Yea I'll never do it again either. I could probably do it in a couple hours after doing it once, but even still, every step was a fight.

cwn23 · 08-09-2011, 09:04 PM

If you dont have patience it will be your worst enemy

andrew@southernBM · 08-10-2011, 05:12 AM

Try doing them with a steering shaft in the way then. You don't realise how easy you have it.

Bimmerologist · 08-10-2011, 06:27 AM

What DP did you have? The AR's went in pretty smoothly! You should just run without them for a while! Lol. Hope your intall works out better! You will love them!

Zasquatch · 08-10-2011, 06:32 AM

I actually thought the install was pretty easy and straightforward... even with big man hands lol. It took me about 5 hours (including lunch and a trip to home depot), 3.5 hours of which was spent trying to get one of the rear O2 sensors off.... Ended up using vice grips and a hammer after losing all patience. After being bludgened to death the sensor still works too. I was very surprised at that.

NiVeDh · 08-10-2011, 04:31 PM

Quote:

Originally Posted by Zasquatch

I actually thought the install was pretty easy and straightforward... even with big man hands lol. It took me about 5 hours (including lunch and a trip to home depot), 3.5 hours of which was spent trying to get one of the rear O2 sensors off.... Ended up using vice grips and a hammer after losing all patience. After being bludgened to death the sensor still works too. I was very surprised at that.

Having done a few DP installs now, the O2 sensors don't give me much trouble anymore after using some PB Blaster on them and a crow's foot O2 sensor socket.

Prime · 08-10-2011, 04:48 PM

I was considering DP's, but hearing these stories makes me second guess myself..
Good luck finishing the install! Im sure the end result will be worth it

GeorgiaTech335coupe · 08-10-2011, 04:55 PM

I'm willing to guess this wasn't with AR DPs.

cstmx_ryder · 08-10-2011, 05:50 PM

Quote:

Originally Posted by NiVeDh

Having done a few DP installs now, the O2 sensors don't give me much trouble anymore after using some PB Blaster on them and a crow's foot O2 sensor socket.

Peanut Butter Blaster?

chrisw335i · 08-10-2011, 05:50 PM

+1 lol

Quote:

Originally Posted by NiVeDh

Having done a few DP installs now, the O2 sensors don't give me much trouble anymore after using some PB Blaster on them and a crow's foot O2 sensor socket.

cedchung · 08-10-2011, 05:51 PM

Quote:

Originally Posted by andrew@southernBM

Try doing them with a steering shaft in the way then. You don't realise how easy you have it.

can't agree with you more!

it was a nightmare. one more thing i think no one mentioned was that to remove the oxygen sensors you need to unplug them under the engine cover!

selshahE92 · 08-10-2011, 06:41 PM

Quote:

Originally Posted by cstmx_ryder

Quote:

Originally Posted by NiVeDh

Having done a few DP installs now, the O2 sensors don't give me much trouble anymore after using some PB Blaster on them and a crow's foot O2 sensor socket.

Peanut Butter Blaster?

PB blaster is like wd 40 which helps lubricate the area your trying to loosen and allow it to remove easier.

drfrink24 · 08-10-2011, 07:46 PM

Try it with the Xi... you have to drop the subframe, remove the pass. motormount and tilt the engine up. I don't know how anyone could do it without a lift.

245 sleeper · 08-10-2011, 08:48 PM

i feel your pain, install it for six hours( with both of my son). drove it and enjoy it for 2 weeks until rear o2 goes out and remove the DP (to find out the problem) for 6 hr. All in all it was fun except for the raspy exhaust sound. Now I am really considering of another install but just don't know when.

chrisw335i · 08-10-2011, 09:18 PM

yeah there is an increase in rasp at the top end high rpm when it shifts, but im getting used to it now

10secvette · 08-12-2011, 10:03 PM

Oh, that's a shame......

HermanL · 08-12-2011, 11:41 PM

been driving with DP on for a couple days now, I found out that wastegate rattle sounded much worse, I understand that there will be an increase sound of rattle but now it is just bad, might have to put stock DP on and take it to dealer

:mad0260 :

10secvette · 08-13-2011, 12:08 AM

Quote:

Originally Posted by HermanL

been driving with DP on for a couple days now, I found out that wastegate rattle sounded much worse, I understand that there will be an increase sound of rattle but now it is just bad, might have to put stock DP on and take it to dealer

:mad0260 :

tibra1 · 08-13-2011, 12:38 AM

Quote:

Originally Posted by HermanL

been driving with DP on for a couple days now, I found out that wastegate rattle sounded much worse, I understand that there will be an increase sound of rattle but now it is just bad, might have to put stock DP on and take it to dealer

:mad0260 :

Or fix the wastegate rattle??..

N55 · 08-13-2011, 12:40 AM

Man! I was just looking at a DIY downpipe install for the N55 and, the install didn't look bad at all. Now my mind has changed lol

HermanL · 08-13-2011, 12:44 AM

Quote:

Originally Posted by tibra1

Or fix the wastegate rattle??..

I was hoping to get a new pair of turbos, fortunately my SA is a pretty cool guy and he has a FBO 335, hopefully we can work something out and save me some hassle, otherwise I might just sell my DPs after taking them off, lol

08-09-2011, 08:33 PM	#1
HermanL First Lieutenant 60 Rep 372 Posts Drives: e92 335i --> F80 M3 Join Date: Feb 2011 Location: Ithaca, NY iTrader: (3)	Downpipes installation, FML I know this topic has been covered a million times but I still have to say it again, Downpipes installation is PAIN IN THE ASS! there is never enough room to work on, I somehow manage to take the stock piping off, when I tried to line up the catless pipes, BANG, that stupid clamp split into half... Guess I have to let it sit in my garage for a while till I get a new clamp for Tischer. share your PITA experience of downpipe intalling here and appreciate ang advise for reinstalling downpipes.
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08-09-2011, 08:57 PM	#2
Tzu Lieutenant Colonel 29 Rep 1,551 Posts Drives: 335i Join Date: Jun 2010 Location: Toronto iTrader: (1)	Yea I'll never do it again either. I could probably do it in a couple hours after doing it once, but even still, every step was a fight.
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08-09-2011, 09:04 PM	#3
cwn23 Major 23 Rep 1,142 Posts Drives: E92 Join Date: May 2007 Location: USA iTrader: (0)	If you dont have patience it will be your worst enemy
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08-10-2011, 05:12 AM	#4
andrew@southernBM 169 Rep 1,537 Posts Drives: M2 G87, M4 G82 Join Date: Apr 2008 Location: Melbourne, Australia. iTrader: (0)	Try doing them with a steering shaft in the way then. You don't realise how easy you have it.
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08-10-2011, 06:27 AM	#5
Bimmerologist King of the Road 81 Rep 509 Posts Drives: F32 435i xDrive Join Date: Aug 2011 Location: Cambridge iTrader: (4)	What DP did you have? The AR's went in pretty smoothly! You should just run without them for a while! Lol. Hope your intall works out better! You will love them! __________________ 2014 BMW 435i xDrive Coupe /// 6MT /// M Performance Package /// M Performance Package II /// Executive Package /// Premium Package/// Adaptive LED Headlights /// Connected Drive Services /// OEM 666M Competition Wheels ///BMW Performance Kidney Grills /// Hot Girl in the Passenger Seat
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08-10-2011, 06:32 AM	#6
Zasquatch Captain 36 Rep 708 Posts Drives: '07 BMW 335i Join Date: Sep 2010 Location: CT iTrader: (15) Garage List 2007 BMW 335i [0.00]	I actually thought the install was pretty easy and straightforward... even with big man hands lol. It took me about 5 hours (including lunch and a trip to home depot), 3.5 hours of which was spent trying to get one of the rear O2 sensors off.... Ended up using vice grips and a hammer after losing all patience. After being bludgened to death the sensor still works too. I was very surprised at that.
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08-10-2011, 04:48 PM	#8
Prime New Member 0 Rep 7 Posts Drives: 07 335i Join Date: Aug 2011 Location: Oceanside iTrader: (0)	I was considering DP's, but hearing these stories makes me second guess myself.. Good luck finishing the install! Im sure the end result will be worth it
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08-10-2011, 04:55 PM	#9
GeorgiaTech335coupe Lieutenant Colonel 76 Rep 1,883 Posts Drives: Black BMW 335i coupe Join Date: Mar 2007 Location: USA iTrader: (0)	I'm willing to guess this wasn't with AR DPs. __________________ Legal Disclaimer: Anything I or anyone else says about my vehicle on this website(e90post.com or any affiliated or nonaffiliated sites), pertaining to modifications, is only to gain acceptance from my/our peers, and does not actually represent anything actually existing on my car, and thus, cannot be held against me in any issues, i.e. warranty claims, that may arise.
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08-10-2011, 07:46 PM	#14
drfrink24 Second Lieutenant 13 Rep 233 Posts Drives: 2008 335xi Join Date: Apr 2011 Location: SE MN iTrader: (0)	Try it with the Xi... you have to drop the subframe, remove the pass. motormount and tilt the engine up. I don't know how anyone could do it without a lift.
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08-10-2011, 08:48 PM	#15
245 sleeper Second Lieutenant 11 Rep 251 Posts Drives: 2007 BMW 335i convertible Join Date: Mar 2008 Location: woodinville,WA iTrader: (0)	i feel your pain, install it for six hours( with both of my son). drove it and enjoy it for 2 weeks until rear o2 goes out and remove the DP (to find out the problem) for 6 hr. All in all it was fun except for the raspy exhaust sound. Now I am really considering of another install but just don't know when.
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08-10-2011, 09:18 PM	#16
chrisw335i First Lieutenant 13 Rep 377 Posts Drives: 2007 BMW 335i Coupe Join Date: Jan 2011 Location: Columbus, Ga. iTrader: (3)	yeah there is an increase in rasp at the top end high rpm when it shifts, but im getting used to it now __________________ 2007 335i Coupe 6AT - Sports Package - Premium Package - Procede V5 Rev 2.5 - Vishnu PWM - Vishnu DCI - Vanguard Exhaust - AR Downpipes - Helix FMIC - 19" Avant Garde M6 Reps - Michelin Pilot Super Sports - Bilstein PSS10 - M3 Suspension Bits - M3 Sway - M3 Strut Brace - GP Thunder -Forge DV -15% Tint - Aero Lip
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08-12-2011, 10:03 PM	#17
10secvette New Member 2 Rep 20 Posts Drives: 2007 335i Join Date: Jan 2010 Location: S. Ca iTrader: (2)	Oh, that's a shame......
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08-12-2011, 11:41 PM	#18
HermanL First Lieutenant 60 Rep 372 Posts Drives: e92 335i --> F80 M3 Join Date: Feb 2011 Location: Ithaca, NY iTrader: (3)	been driving with DP on for a couple days now, I found out that wastegate rattle sounded much worse, I understand that there will be an increase sound of rattle but now it is just bad, might have to put stock DP on and take it to dealer:mad0260 :
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08-13-2011, 12:40 AM	#21
N55 ⒸⒺⓇⓉⓘⒻⒾⒺⒹ✬ⓃⒾⓃⒿⒶ 137 Rep 1,475 Posts Drives: 🚀 Join Date: Nov 2010 Location: Pittsburgh iTrader: (3) Garage List 2015 BMW M4 [0.00] 2012 BMW 335IS (SOLD) [6.84] 2011 BMW 335XI (SOLD) [4.66] 2008 BMW 335xi (SOLD) [10.00]	Man! I was just looking at a DIY downpipe install for the N55 and, the install didn't look bad at all. Now my mind has changed lol
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