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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications Borla Exhaust tips on 550i
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      01-02-2012, 11:45 AM   #1
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The last piece of chrome on my 550i were the chrome Trapezoid exhaust tips. They needed to go.

I actually like the quiet ride on the 550, so replacing mufflers for sound was not an option.

After some carefull measuring I decided to install Borla Stainless Steel tips -PN 20154. (I got these from Summit Racing $55 ea)

After a trip to my local Powercoating shop - we decided on "Gray Ice" which is a Ceramic high temp - dark gray coating with a matt finish. These almost match my Ferric Grey 312 wheels perfectly. Probably would have done black if I had the M Sport black diffuser.

Cut off the old factory tips and tack welded on the new tips. Tips are slanted with a rolled lip.

Plug and wire tie off the factory vacuum line and we're done
Total cost $380
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Last edited by tp550i; 01-02-2012 at 12:00 PM.
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      01-02-2012, 12:45 PM   #2
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Very very nice!

I was thinking of doing something similar to my quad Supersprint exhaust tips. Maybe black chrome finish would suit my Space grey with M diffusor?
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      01-02-2012, 12:50 PM   #3
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I think Black chrome look would look good with the M Sport, would match the other gloss black trim on the car.
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      01-02-2012, 12:53 PM   #4
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Thanks for the input.

BTW - how do You like the ride with the ACS springs?
I just got mine from Schnitzer in Germany, but have not had time to install yet.
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      01-02-2012, 01:05 PM   #5
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I really like the ACS springs, it feels like a different car. You'll be pleased.
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      01-02-2012, 01:11 PM   #6
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@tp550i:
Never liked the trapezoid. This looks way better. How do you like the Continental DW's? Are they the stock size?
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      01-02-2012, 01:26 PM   #7
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Quote:
Originally Posted by gatoman39 View Post
@tp550i:
Never liked the trapezoid. This looks way better. How do you like the Continental DW's? Are they the stock size?
thanks, the trapezoid looks too Acura, Mercedes, etc IMO

Conti DW's have been great, yes stock size. Tire Rack has awesome pricing on these 20's right now. I wanted the Michelin Pilot SS, but they have not released the P245/30ZR20 yet. I have not driven the DW's in heavy rain, that'll happen this summer.
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      01-02-2012, 01:29 PM   #8
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Quote:
Originally Posted by tp550i View Post
thanks, the trapezoid looks too Acura, Mercedes, etc IMO

Conti DW's have been great, yes stock size. Tire Rack has awesome pricing on these 20's right now. I wanted the Michelin Pilot SS, but they have not released the P245/30ZR20 yet. I have not driven the DW's in heavy rain, that'll happen this summer.
Thanks for the response. How did they compare to the stock RFT's
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      01-02-2012, 01:36 PM   #9
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My car came equipped with 19" Dunlop Sport Maxx RFT. They were "OK" but the 20" Conti DW's ride and handle better. Downside is now I have a space saver spare/jack strapped down in the trunk.
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      01-02-2012, 03:01 PM   #10
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2011 BMW 535i  [4.63]
I like the look, agree that the trapezoid isn't the right look for your BMW. Looks good!
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      01-02-2012, 03:55 PM   #11
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Tips look nice, I wrestled with the AC Schnitzer (you can see it in my signature link below) tips that are more oval and the quad tips but for personal taste I remain with the oval.
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      01-02-2012, 04:18 PM   #12
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nice work, looks good.

I got fedup of my Trapezoid exhaust tips, seems like all the new cars have them now.

Am i the only one that think BMW has crapy taste in exhaust tips?
Just look at all the M cars, they always have the same quad tips, not very original anymore.
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      01-02-2012, 04:38 PM   #13
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Quote:
Originally Posted by Edman951 View Post
Am i the only one that think BMW has crapy taste in exhaust tips?
Just look at all the M cars, they always have the same quad tips, not very original anymore.
Agree - instead of BMW leading the way, its been more like copying someone else. But its all personal preference - I am sure some folks like the factory tips. Not me
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      01-03-2012, 09:54 AM   #14
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Quote:
Originally Posted by tp550i View Post
The last piece of chrome on my 550i were the chrome Trapezoid exhaust tips. They needed to go.

I actually like the quiet ride on the 550, so replacing mufflers for sound was not an option.

After some carefull measuring I decided to install Borla Stainless Steel tips -PN 20154. (I got these from Summit Racing $55 ea)

After a trip to my local Powercoating shop - we decided on "Gray Ice" which is a Ceramic high temp - dark gray coating with a matt finish. These almost match my Ferric Grey 312 wheels perfectly. Probably would have done black if I had the M Sport black diffuser.

Cut off the old factory tips and tack welded on the new tips. Tips are slanted with a rolled lip.

Plug and wire tie off the factory vacuum line and we're done
Total cost $380
Does the inlet and outlet diameter matter? I was thinking of going with the

Part# 20156 inlet diameter: 2 1/2" outlet diameter: 4" x 4
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      01-03-2012, 12:14 PM   #15
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The factory exhaust is about 2-1/4" in diameter, but a good shop can make the tips 2-1/2" inlet diameter work.

I'd be more concerned about the 4" diameter outlet, since the factory muffler outlets are about 3-1/2" apart, center to center, the 4" dia. tips will be a very tight fit -both side to side and up against the 550 standard diffuser.

Its worth a try, you can always return the tips to Summit and go with 3" tips like the ones I installed
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      01-03-2012, 09:09 PM   #16
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nice tips
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      01-07-2012, 09:32 AM   #17
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Plug and wire tie off the factory vacuum line and we're done
Total cost $380[/quote]

Thanks for sharing...it looks great! How is the sound with two outlets open all the time on each side? I am concerned about drone with after-market exhaust, but would like a litttle more engine note, like on my e60 550i.
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      01-07-2012, 11:02 AM   #18
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Quote:
Originally Posted by 5fix View Post
How is the sound with two outlets open all the time on each side? I am concerned about drone with after-market exhaust, but would like a litttle more engine note, like on my e60 550i.
I was surprised to note very little difference. At idle and low rpm its slightly louder - but no where near what I expected having both sides open all the time. At cruise, there is no droning. Left me wondering why they installed vacuum flaps to begin with.
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      01-15-2012, 01:00 AM   #19
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Quote:
Originally Posted by tp550i View Post
I was surprised to note very little difference. At idle and low rpm its slightly louder - but no where near what I expected having both sides open all the time. At cruise, there is no droning. Left me wondering why they installed vacuum flaps to begin with.
Looks great! Any engine lights with the vacuum hose disconnected?
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      01-15-2012, 09:51 AM   #20
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No check engine lights, but make sure to plug the vacuum hose. There is at least one member here that had a problem by leaving the vacuum hose end open
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      01-15-2012, 12:40 PM   #21
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is it possible to install your stock 550 exhaust tips on 535?
if yes, i will buy them
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      01-15-2012, 06:36 PM   #22
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not sure if the the outlet configuration is exactly the same on the 535. I am going to hang onto the factory tips in case they need to go back on for any reason.
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