F30POST
F30POST
2012-2015 BMW 3-Series and 4-Series Forum
BMW Garage BMW Meets Register Search Today's Posts Mark Forums Read
BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N47 and N57 Turbodiesel Engine / Drivetrain / Exhaust Modifications > Buzzken downpipe install for F30 n47?
Extreme Powerhouse
Post Reply
 
Thread Tools Search this Thread
      11-26-2018, 03:10 PM   #1
Tonyt915
Enlisted Member
Tonyt915's Avatar
United_States
5
Rep
49
Posts

Drives: 14' 328D M-Sport
Join Date: Mar 2018
Location: Houston

iTrader: (0)

Buzzken downpipe install for F30 n47?

Is there any write up on this? Just ordered the Buzzken downpipe and Mission Performance tune, and did a bunch of searching but can't find anything about install instructions or help. I found some info on the 335d downpipe install but nothing for the 328d.
Appreciate 0
      11-27-2018, 09:38 AM   #2
kdog_x
Private First Class
72
Rep
163
Posts

Drives: 14 328d
Join Date: Nov 2016
Location: Chicago

iTrader: (0)

I don't think there is an official write up but it's pretty straight forward if you're experienced at wrenching. I'd recommend buying the Bentley manual for reference if you don't have a copy. A rough overview would be:

-Remove all of the protective plastic covers from the underside. Note: You'll need an anti-theft torx head set to remove them so don't start until you have one.
-Remove the protective metal plate over the bottom of the engine.
-Disconnect all of the plugs and sensors from the exhaust, disconnect and drop the exhaust, it is one piece from the DPF downpipe to the tips, there's 2 hangers in the rear of the vehicle.
-Remove all DPF bolts and sensors and unbolt and drop the DPF
-There's 2 coolant lines that run to the DPF, you'll have to loop those together
-If you're reusing the stock cat back, you'll need to cut the factory exhaust where it will meet up with your new pipe, so you'll need to lay them side by side and mark where to cut. The little roller chain style exhaust cutters work well
-From there you just reinstall everything, the front is a slip fit clamp, the rear is a band clamp. The exhaust work shouldnt take more than a couple hours. Putting all the covers back on is the most time consuming part if you're on a garage floor lol.
Appreciate 1
      11-27-2018, 11:04 PM   #3
328dX
David
328dX's Avatar
United_States
200
Rep
551
Posts

Drives: 2015 328dX wagon
Join Date: Nov 2018
Location: Temecula, CA

iTrader: (0)

i've been wanting to do this but concerned about the transfer case handling more power (xdrive)

Mine is in the shop right now being replaced but it acted up under heavy acceleration and load, meaning the clutch packs began to slip, and I can't imagine more power would help anything
Appreciate 0
      11-28-2018, 11:00 AM   #4
rbreding
Second Lieutenant
44
Rep
223
Posts

Drives: 328d, 335d, x5d
Join Date: Sep 2016
Location: OKC

iTrader: (0)

Piece of cake install. Took me 2 hours from start to finish and that included Turbo back replacement of exhaust. Plenty of room compared to 335d or x5d.

As far as xdrive. You have a ticking time bomb no matter if tuned or not. There is a new software coding coming out called Xdelete to disable the xdrive fyi.
Appreciate 0
      11-28-2018, 11:28 AM   #5
kdog_x
Private First Class
72
Rep
163
Posts

Drives: 14 328d
Join Date: Nov 2016
Location: Chicago

iTrader: (0)

Yeah, I saw that about the X delete software. Seems like an easy way to do it on the fly. Looks like it isn't going to come out for F 30 cars until spring. There is a post on here about FDL coding to make the car RWD, it is only one line, although it does trigger a dash light
Appreciate 0
      11-28-2018, 02:33 PM   #6
opinion914
Enlisted Member
0
Rep
30
Posts

Drives: F31 N47
Join Date: Aug 2018
Location: Orange County NY

iTrader: (0)

Quote:
Originally Posted by rbreding View Post
There is a new software coding coming out called Xdelete to disable the xdrive fyi.
It'll be like Christmas and my birthday wrapped into one if this materializes and is reliable.
Appreciate 0
      11-28-2018, 07:36 PM   #7
328dX
David
328dX's Avatar
United_States
200
Rep
551
Posts

Drives: 2015 328dX wagon
Join Date: Nov 2018
Location: Temecula, CA

iTrader: (0)

Quote:
Originally Posted by opinion914 View Post
It'll be like Christmas and my birthday wrapped into one if this materializes and is reliable.
agreed
Appreciate 0
      11-28-2018, 10:06 PM   #8
Enabled
Second Lieutenant
45
Rep
236
Posts

Drives: 328xd Wagon
Join Date: Jun 2018
Location: Houston

iTrader: (0)

I am currently on full 2wd with no lights (3 weeks now), but I'm exploring an easier way to do it. This method is good but still learning/testing if the best way.

Contemplating to pull the front axles and diff to see how mpg improves.
__________________
-2014 328d Wagon, self-tuned, 245hp/400ft-lbs.
Others
-E36 328is ~210-220whp: Lots of Mods. 2000 Z3 Roady. 2003 VW Jetta TDI Manual 47-50mpg Modded. S52 Estoril Z3M Coupe.

Last edited by Enabled; 11-28-2018 at 10:18 PM.
Appreciate 0
      11-29-2018, 01:14 AM   #9
FaRKle!
Captain
United_States
504
Rep
870
Posts

Drives: '17 328d Sport Wagon
Join Date: Sep 2016
Location: Bay Area, CA

iTrader: (0)

Quote:
Originally Posted by Enabled View Post
I am currently on full 2wd with no lights (3 weeks now), but I'm exploring an easier way to do it. This method is good but still learning/testing if the best way.

Contemplating to pull the front axles and diff to see how mpg improves.
You should talk to the Mission Tuning/Performance guys in SoCal. They converted an F31 to RWD.
Appreciate 0
      11-29-2018, 01:21 AM   #10
Enabled
Second Lieutenant
45
Rep
236
Posts

Drives: 328xd Wagon
Join Date: Jun 2018
Location: Houston

iTrader: (0)

I've already got that down, but it may be that there are a few different approaches. Currently it is working very well as is. RWD by coding, and no lights. I am very handy at mechanical work, so that's not a worry for me.

The Xdelete seems to be a firmware hack that gets flashed. Interesting idea too. If they're flashing the transfer case module, I wonder how DSC would behave.
DSC depends on transfer case as part of traction control logic, when DSC is configured for awd. If xdelete flashes the transfer case module to stop actuating the clutches, DSC would still want to operate as on an awd car. They could possibly be messing with both.
I would love to know how to flash customized files and bypassing signature verification.


Changing the VO code for whole vehicle VCM to rwd was one of the options guaranteed to work, but it would want to reflash the dde. But I don't want to redefine and transfer the tune onto, just yet.



Sorry TonyT for partial hijack.
__________________
-2014 328d Wagon, self-tuned, 245hp/400ft-lbs.
Others
-E36 328is ~210-220whp: Lots of Mods. 2000 Z3 Roady. 2003 VW Jetta TDI Manual 47-50mpg Modded. S52 Estoril Z3M Coupe.

Last edited by Enabled; 11-29-2018 at 01:56 AM.
Appreciate 0
      11-29-2018, 05:58 AM   #11
opinion914
Enlisted Member
0
Rep
30
Posts

Drives: F31 N47
Join Date: Aug 2018
Location: Orange County NY

iTrader: (0)

Quote:
Originally Posted by Enabled View Post
I am currently on full 2wd with no lights (3 weeks now), but I'm exploring an easier way to do it. This method is good but still learning/testing if the best way.
Applaud your effort amd will keep an eye on your progress.
Appreciate 0
      11-29-2018, 11:48 AM   #12
Tonyt915
Enlisted Member
Tonyt915's Avatar
United_States
5
Rep
49
Posts

Drives: 14' 328D M-Sport
Join Date: Mar 2018
Location: Houston

iTrader: (0)

Parts came in yesterday, so hopefully if I have time and can get some help I'll swap them out this weekend. Instructions that came from Buzzken are pretty weak but looks self explanatory from what you wrote. Thanks for mentioning the safety torx cause that is something I don't have. Also going to get an exhaust pipe cutter, not sure if theres enough room for a sawsall but would also prefer a cleaner cut.
Appreciate 0
      11-29-2018, 08:17 PM   #13
kdog_x
Private First Class
72
Rep
163
Posts

Drives: 14 328d
Join Date: Nov 2016
Location: Chicago

iTrader: (0)

I can tell you from experience the sawzall doesn't play well with the stainless pipes. That was plan A... plan B was a trip to the auto parts store for the exhaust cutter. Takes a little elbow grease to cut by hand but perfectly clean cut!
Appreciate 0
      11-30-2018, 07:32 AM   #14
opinion914
Enlisted Member
0
Rep
30
Posts

Drives: F31 N47
Join Date: Aug 2018
Location: Orange County NY

iTrader: (0)

Hey Tony, do our cars not have a typical catalytic converter but rather the SCR and DPF instead? I see no mention of the "cat" in the Buzzken advert.

-K

Last edited by opinion914; 11-30-2018 at 07:39 AM.
Appreciate 0
      11-30-2018, 11:21 AM   #15
Tonyt915
Enlisted Member
Tonyt915's Avatar
United_States
5
Rep
49
Posts

Drives: 14' 328D M-Sport
Join Date: Mar 2018
Location: Houston

iTrader: (0)

Not sure about if our cars come with a cat like the gassers get. I always thought that's what the DPF and SCR were for. The cat is optional on the Buzzken kit. On the site it had a check box to get the cat or be aware of the fumes emitted if you don't. I opted not to have it cause weirdly I enjoy the diesel smell lol
Appreciate 0
      11-30-2018, 11:23 AM   #16
Tonyt915
Enlisted Member
Tonyt915's Avatar
United_States
5
Rep
49
Posts

Drives: 14' 328D M-Sport
Join Date: Mar 2018
Location: Houston

iTrader: (0)

Quote:
Originally Posted by Enabled View Post
I've already got that down, but it may be that there are a few different approaches. Currently it is working very well as is. RWD by coding, and no lights. I am very handy at mechanical work, so that's not a worry for me.

The Xdelete seems to be a firmware hack that gets flashed. Interesting idea too. If they're flashing the transfer case module, I wonder how DSC would behave.
DSC depends on transfer case as part of traction control logic, when DSC is configured for awd. If xdelete flashes the transfer case module to stop actuating the clutches, DSC would still want to operate as on an awd car. They could possibly be messing with both.
I would love to know how to flash customized files and bypassing signature verification.


Changing the VO code for whole vehicle VCM to rwd was one of the options guaranteed to work, but it would want to reflash the dde. But I don't want to redefine and transfer the tune onto, just yet.



Sorry TonyT for partial hijack.
No problem, nice to see another H-Town Diesel
Appreciate 0
      11-30-2018, 11:55 AM   #17
kdog_x
Private First Class
72
Rep
163
Posts

Drives: 14 328d
Join Date: Nov 2016
Location: Chicago

iTrader: (0)

Quote:
Originally Posted by Tonyt915 View Post
Not sure about if our cars come with a cat like the gassers get. I always thought that's what the DPF and SCR were for. The cat is optional on the Buzzken kit. On the site it had a check box to get the cat or be aware of the fumes emitted if you don't. I opted not to have it cause weirdly I enjoy the diesel smell lol
Correct, these models have a DPF and SCR in place of a cat
Appreciate 0
      12-03-2018, 05:46 AM   #18
opinion914
Enlisted Member
0
Rep
30
Posts

Drives: F31 N47
Join Date: Aug 2018
Location: Orange County NY

iTrader: (0)

How we making out, Tony
Appreciate 0
      12-03-2018, 11:34 AM   #19
Tonyt915
Enlisted Member
Tonyt915's Avatar
United_States
5
Rep
49
Posts

Drives: 14' 328D M-Sport
Join Date: Mar 2018
Location: Houston

iTrader: (0)

Quote:
Originally Posted by opinion914 View Post
How we making out, Tony
This past weekend was busy and the wife got sick, so hopefully I can get some friends over this weekend and get it done. Got all the tools and data cable needed to get it going though
Appreciate 0
      12-09-2018, 03:50 PM   #20
Enabled
Second Lieutenant
45
Rep
236
Posts

Drives: 328xd Wagon
Join Date: Jun 2018
Location: Houston

iTrader: (0)

Quote:
Originally Posted by Tonyt915 View Post
No problem, nice to see another H-Town Diesel
What part of Houston are you in?
__________________
-2014 328d Wagon, self-tuned, 245hp/400ft-lbs.
Others
-E36 328is ~210-220whp: Lots of Mods. 2000 Z3 Roady. 2003 VW Jetta TDI Manual 47-50mpg Modded. S52 Estoril Z3M Coupe.
Appreciate 0
      12-11-2018, 11:39 PM   #21
mpm01
New Member
United_States
0
Rep
26
Posts

Drives: '15 328D grocery-getter
Join Date: May 2018
Location: FL

iTrader: (0)

The Buzzken down and mid pipe just arrived for my 328D. What should be done with the DEF system once the stock exhaust is removed? It doesn't appear to be easily unplugged like the various other stock sensors that are eliminated.
Appreciate 0
      12-11-2018, 11:50 PM   #22
rbreding
Second Lieutenant
44
Rep
223
Posts

Drives: 328d, 335d, x5d
Join Date: Sep 2016
Location: OKC

iTrader: (0)

Quote:
Originally Posted by mpm01 View Post
The Buzzken down and mid pipe just arrived for my 328D. What should be done with the DEF system once the stock exhaust is removed? It doesn't appear to be easily unplugged like the various other stock sensors that are eliminated.
It gets unplugged at the urea injector and then you can just zip tie it up. Their is a cooling loop for the injector that has to be looped back into itself.

Lastly if you want to remove the entire DEF system there is some work to that but it isn't necessary. Just make sure and drain out the tank and rinse with deionized water if you can.
Appreciate 0
Post Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off


All times are GMT -5. The time now is 11:36 AM.




f30post
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2019, Jelsoft Enterprises Ltd.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST