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F10 / F11 (2011 - Current)
The new chapter in the highly successful story of the BMW 5 Series Sedan (F10) and wagon (F11)

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  #1  
Old 02-25-2013, 03:35 PM
JPetrillo JPetrillo is offline
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MTech Style Rear Bumper vs. Non-MTech Rear Bumper

Hello all,

I am seriously considering a quad exhaust for my 528i. Unfortunately, the stock bumper on my car does not have a cutout for the exhaust on both sides; it is only on the driver's side. So, now I am seriously considering buying this rear bumper to go along with my new exhaust, rather than cutting my current bumper.

Can anyone provide a side-by-side comparison so I can see what the MTech style rear bumper looks like in comparison to the standard non-MTech factory bumper? This will be the determining factor as to whether or not I replace the bumper as I need to see what it looks like.

Thank you so much in advance!
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2013 528i xDrive Black Sapphire Metallic

Mods:
35% Madico Onyx Tints
Painted Front Reflectors
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Custom M Performance Grilles
M Performance V-Spoke 20" Wheels
18mm BMS Rear Spacers
M5 Style Spoiler
M Sport Rear Bumper with Painted Reflectors & M5 Diffuser
GTHAUS Meisterschaft Full Cat-back True Dual Exhaust 4x90mm GTC EV Controlled
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  #2  
Old 02-25-2013, 06:46 PM
snj1013 snj1013 is offline
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You can do this at bmwusa.com, not side by side, but open two windows and build one 5 series with the M Sport package and one without.
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  #3  
Old 02-25-2013, 11:36 PM
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mryakanisachoad mryakanisachoad is offline
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How much to paint the bumper?

Also - I'm sure you've considered this but would you be happy with having one sport bumper and one non-sport bumper? I wouldn't and I'm not usually fussy about that sort of stuff...
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  #4  
Old 02-26-2013, 04:06 PM
bubbahead bubbahead is offline
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what are you looking to accomplish with a quad exhaust on a 528?
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  #5  
Old 03-01-2013, 06:38 AM
JPetrillo JPetrillo is offline
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Quote:
Originally Posted by snj1013 View Post
You can do this at bmwusa.com, not side by side, but open two windows and build one 5 series with the M Sport package and one without.
Great idea! I did this, and now I see the difference. The M Sport rear bumper looks a bit more aggressive, but not a HUGE difference from the non-M Sport bumper.

Quote:
Originally Posted by mryakanisachoad View Post
How much to paint the bumper?

Also - I'm sure you've considered this but would you be happy with having one sport bumper and one non-sport bumper? I wouldn't and I'm not usually fussy about that sort of stuff...
I didn't look into the cost yet to have the bumper painted. I would be okay with having one M Sport bumper and one non-M Sport bumper. If anything, now I am starting to think about replacing the front bumper with the M Sport bumper instead.

Not sure yet what I am going to do with the exhaust. I really want the quad Eisenmann exhaust. Maybe I will just keep the bumper I have and cut a hole in the passenger side for the second muffler.
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2013 528i xDrive Black Sapphire Metallic

Mods:
35% Madico Onyx Tints
Painted Front Reflectors
Debadged
Custom M Performance Grilles
M Performance V-Spoke 20" Wheels
18mm BMS Rear Spacers
M5 Style Spoiler
M Sport Rear Bumper with Painted Reflectors & M5 Diffuser
GTHAUS Meisterschaft Full Cat-back True Dual Exhaust 4x90mm GTC EV Controlled
Evolution Racewerks Catless Downpipe
BMS Stage 1 Tune (pending)



(Picture not up to date with current mods)
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  #6  
Old 03-01-2013, 09:36 AM
JPetrillo JPetrillo is offline
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UPDATE: Looks like if anything I'll be replacing the bumper or picking a single exhaust. I went to a body shop and they strongly recommend not cutting the bumper to fit the quad exhaust.
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2013 528i xDrive Black Sapphire Metallic

Mods:
35% Madico Onyx Tints
Painted Front Reflectors
Debadged
Custom M Performance Grilles
M Performance V-Spoke 20" Wheels
18mm BMS Rear Spacers
M5 Style Spoiler
M Sport Rear Bumper with Painted Reflectors & M5 Diffuser
GTHAUS Meisterschaft Full Cat-back True Dual Exhaust 4x90mm GTC EV Controlled
Evolution Racewerks Catless Downpipe
BMS Stage 1 Tune (pending)



(Picture not up to date with current mods)
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  #7  
Old 03-01-2013, 12:57 PM
MWPos MWPos is offline
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If you go the front bumper upgrade path, here's my post about the parts you'll need:

http://www.bimmerfest.com/forums/sho...d.php?t=677380

Good luck!
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  #8  
Old 03-01-2013, 06:40 PM
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alex_c alex_c is offline
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You can also get the regular bumper but from a 550 and that will have the dual cut-out that you need for the quad exhaust.

I have an M-Sport (535) but replaced the rear valance for the 550 for only $90 and it did the trick.
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  #9  
Old 03-01-2013, 07:54 PM
JPetrillo JPetrillo is offline
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Quote:
Originally Posted by alex_c View Post
You can also get the regular bumper but from a 550 and that will have the dual cut-out that you need for the quad exhaust.

I have an M-Sport (535) but replaced the rear valance for the 550 for only $90 and it did the trick.
Thanks. That's the only alternative I can find as well. Without cutting the current bumper, seems I need to get the M Sport bumper and then replace the diffuser with the 550 diffuser.
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2013 528i xDrive Black Sapphire Metallic

Mods:
35% Madico Onyx Tints
Painted Front Reflectors
Debadged
Custom M Performance Grilles
M Performance V-Spoke 20" Wheels
18mm BMS Rear Spacers
M5 Style Spoiler
M Sport Rear Bumper with Painted Reflectors & M5 Diffuser
GTHAUS Meisterschaft Full Cat-back True Dual Exhaust 4x90mm GTC EV Controlled
Evolution Racewerks Catless Downpipe
BMS Stage 1 Tune (pending)



(Picture not up to date with current mods)
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  #10  
Old 03-02-2013, 08:41 AM
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BigDeep1 BigDeep1 is offline
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Keep us posted with what you decide. I am in the same pickle. I am looking for a 550i non M-Sport bumper as I like the looks better. I may even wait for the LCI bumpers to come out and snag one of those. I personally don't think it's a big deal to have a M-Sport rear bumper and a standard front bumper. They both have the same lines and distance from the ground. I measured with a buddies F10 parked side by side.
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  #11  
Old 03-02-2013, 09:25 AM
JPetrillo JPetrillo is offline
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Quote:
Originally Posted by BigDeep1 View Post
Keep us posted with what you decide. I am in the same pickle. I am looking for a 550i non M-Sport bumper as I like the looks better. I may even wait for the LCI bumpers to come out and snag one of those. I personally don't think it's a big deal to have a M-Sport rear bumper and a standard front bumper. They both have the same lines and distance from the ground. I measured with a buddies F10 parked side by side.
I will update this thread for sure when its done.

What are the LCI bumpers?

I just checked out the 550i bumper and that looks nice too. If I go with the 550i bumper, would I still have to replace the diffuser? Attached is an image of the exact bumper/diffuser I am asking about.
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__________________
2013 528i xDrive Black Sapphire Metallic

Mods:
35% Madico Onyx Tints
Painted Front Reflectors
Debadged
Custom M Performance Grilles
M Performance V-Spoke 20" Wheels
18mm BMS Rear Spacers
M5 Style Spoiler
M Sport Rear Bumper with Painted Reflectors & M5 Diffuser
GTHAUS Meisterschaft Full Cat-back True Dual Exhaust 4x90mm GTC EV Controlled
Evolution Racewerks Catless Downpipe
BMS Stage 1 Tune (pending)



(Picture not up to date with current mods)
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  #12  
Old 03-02-2013, 12:30 PM
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BigDeep1 BigDeep1 is offline
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Quote:
Originally Posted by JPetrillo View Post
I will update this thread for sure when its done.

What are the LCI bumpers?

I just checked out the 550i bumper and that looks nice too. If I go with the 550i bumper, would I still have to replace the diffuser? Attached is an image of the exact bumper/diffuser I am asking about.
Great. Thanks.

No, you would not. Furthermore, like my non M-Sport rear bumper with dual cut-outs (535i), this is a solid bumper with no removable diffuser.

LCI is referring to the refreshed 2014 F10.
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  #13  
Old 03-02-2013, 01:54 PM
JPetrillo JPetrillo is offline
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So here are my latest thoughts... I'm leaning towards getting the M Sport rear bumper and swapping out the diffuser with the M5 diffuser. However, will the M5 diffuser fit on the M Sport bumper? I like the M5 diffuser much more than the 550i diffuser. When I compare the 528i M Sport rear bumper compared to the M5 rear bumper on bmwusa.com, it looks like the same exact bumper with the only difference being the diffuser. So what I'll probably do is order the M Sport bumper with the quad setup and if I don't like the way it looks then I can always replace the diffuser with the M5 diffuser at a later point in time. I need to sleep on it, but I'm getting ready to make a purchase soon.
__________________
2013 528i xDrive Black Sapphire Metallic

Mods:
35% Madico Onyx Tints
Painted Front Reflectors
Debadged
Custom M Performance Grilles
M Performance V-Spoke 20" Wheels
18mm BMS Rear Spacers
M5 Style Spoiler
M Sport Rear Bumper with Painted Reflectors & M5 Diffuser
GTHAUS Meisterschaft Full Cat-back True Dual Exhaust 4x90mm GTC EV Controlled
Evolution Racewerks Catless Downpipe
BMS Stage 1 Tune (pending)



(Picture not up to date with current mods)

Last edited by JPetrillo; 03-02-2013 at 02:12 PM.
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  #14  
Old 03-02-2013, 02:15 PM
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BigDeep1 BigDeep1 is offline
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Quote:
Originally Posted by JPetrillo View Post
So here are my latest thoughts... I'm leaning towards getting the M Sport rear bumper and swapping out the diffuser with the M5 diffuser. However, will the M5 diffuser fit on the M Sport bumper? I like the M5 diffuser much more than the 550i diffuser. When I compare the 528i M Sport rear bumper compared to the M5 rear bumper on bmwusa.com, it looks like the same exact bumper with the only difference being the diffuser. So what I'll probably do is order the M Sport bumper with the quad setup and if I don't like the way it looks then I can always replace the diffuser with the M5 diffuser at a later point in time. I need to sleep on it, but I'm getting ready to make a purchase soon.
If you Google "F10 M5 diffuser" you can find several options that are designed to fit the M-Sport bumper.
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  #15  
Old 03-02-2013, 02:23 PM
JPetrillo JPetrillo is offline
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Quote:
Originally Posted by BigDeep1 View Post
If you Google "F10 M5 diffuser" you can find several options that are designed to fit the M-Sport bumper.
Turns out I can just buy an M5 bumper (diffuser and all) for less than it's going to cost me to buy the M Sport bumper and M5 diffuser separately. I'm about to pull the trigger! The M5 bumper will fit my 528i, right?
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2013 528i xDrive Black Sapphire Metallic

Mods:
35% Madico Onyx Tints
Painted Front Reflectors
Debadged
Custom M Performance Grilles
M Performance V-Spoke 20" Wheels
18mm BMS Rear Spacers
M5 Style Spoiler
M Sport Rear Bumper with Painted Reflectors & M5 Diffuser
GTHAUS Meisterschaft Full Cat-back True Dual Exhaust 4x90mm GTC EV Controlled
Evolution Racewerks Catless Downpipe
BMS Stage 1 Tune (pending)



(Picture not up to date with current mods)
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