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BMW M5 F90 (2018+) General Forums Engine, Exhaust, Drivetrain, Tuning Modifications    Keller Perfomance Coated DP's and mid

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      03-20-2019, 08:52 PM   #1
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Hey all,

So after promising the wifey no mods to the F90, I lie again I have installed countless DP's and mid pipes of many brands. Both my M's and customers at work. The Keller performance pipes are top shelf. I honestly don't see a way to improve these aside from maybe total Ti pipes. Mike at Keller is pleasant in every way to deal with and a real enthusiast himself(that's a big +). These literally just dropped into place. Clearances were perfect. Mounting brackets lined up like factory. I got the Ti ceracote option so welds were mostly covered but the visible ones look like they were done by NASA Packaging was great! No way anything in there was getting damaged The real carbon fibre plate frame was a nice surprise and is really tasteful and adds a great look to the car. I typically do not run others plate frames but this has changed that for me. First push of the igniter and a million goose bumps appeared! Unreal. All I could think of was how the M6GT3 sounded and this was not far off. There will be no other exhaust mods on this car. Sound is not much more than stock with valves closed and efficient mode. Open and sport + I used secondary O2 extenders with mini oxygen sensors in them and no codes after 400km of driving Here are some pics and a short startup vid.





2019 Imola Red M5comp.
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      03-21-2019, 09:47 AM   #2
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That red is killer! What a beautiful car and congrats on the new DPs!
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      03-21-2019, 10:22 AM   #3
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Sounds great and love the red/brown combo, always a classic!
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      03-21-2019, 12:25 PM   #4
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Thank you for your purchase, I'm glad you're loving it !
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      03-21-2019, 07:59 PM   #5
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Pic of O2 extenders? Where did you get them?
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      03-21-2019, 08:24 PM   #6
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Quote:
Originally Posted by mark5092 View Post
Pic of O2 extenders? Where did you get them?
If you zoom in on second last pic you can see them. 90 degree angle to them. Sean at Turner Motorsports is where I got these.
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      03-21-2019, 08:41 PM   #7
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I’m not seeing the second last pic. It is blacked out on my view.
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      03-21-2019, 08:45 PM   #8
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Quote:
Originally Posted by mark5092 View Post
I'm not seeing the second last pic. It is blacked out on my view.
Do you see the pic with primary down pipes? No O2's in pre cat and the sims are in post cat. That last pic of the ass end of my car has black boarders top and bottom for some reason.
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      03-21-2019, 08:47 PM   #9
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I'm not seeing the second last pic. It is blacked out on my view.
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      03-21-2019, 09:11 PM   #10
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Thanks
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      03-28-2019, 06:01 PM   #11
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Looks great, congrats!!
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      04-25-2019, 03:31 PM   #12
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Quote:
Originally Posted by VCP View Post
Do you see the pic with primary down pipes? No O2's in pre cat and the sims are in post cat. That last pic of the ass end of my car has black boarders top and bottom for some reason.

Red is sooooo Crazy on the F90! Great Pick.

Also... just following up on the O2 extenders.... its been some time now since the install. Car still running free of the CEL?
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Last edited by Eurohorses; 04-25-2019 at 03:45 PM..
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      04-25-2019, 05:13 PM   #13
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Anyone know if keller has any plans to make a set for the M550i?
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      04-25-2019, 06:35 PM   #14
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Quote:
Originally Posted by Eurohorses View Post
Quote:
Originally Posted by VCP View Post
Do you see the pic with primary down pipes? No O2's in pre cat and the sims are in post cat. That last pic of the ass end of my car has black boarders top and bottom for some reason.

Red is sooooo Crazy on the F90! Great Pick.

Also... just following up on the O2 extenders.... its been some time now since the install. Car still running free of the CEL?
Hey buddy! Thanks for the kind words. We had an Imola E39M5(that I regret selling) and this was our little homage to that M. 1500km and no CEL I just Flash tuned it yesterday with Active Autowerke stage 2. NUTSO!! So the days of peeking to see if CEL has come on is over. Those catted O2 extenders are slick though 👌
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      04-26-2019, 09:39 AM   #15
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Quote:
Originally Posted by VCP View Post
Hey buddy! Thanks for the kind words. We had an Imola E39M5(that I regret selling) and this was our little homage to that M. 1500km and no CEL I just Flash tuned it yesterday with Active Autowerke stage 2. NUTSO!! So the days of peeking to see if CEL has come on is over. Those catted O2 extenders are slick though 👌
Awesome. I'm going to have to look into the O2 extenders. Keep up the great work on your M5!
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      04-26-2019, 05:45 PM   #16
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Was it these you purchased:

https://www.turnermotorsport.com/p-5...ensor-adaptor/
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      04-26-2019, 09:09 PM   #17
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Yes sir 👍
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      04-29-2019, 07:53 AM   #18
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Is there any wastegate
Noise in your primary downpipes between 1500-2000 rpm?
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      04-30-2019, 02:50 PM   #19
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Nope


Quote:
Originally Posted by Jaymelo238 View Post
Is there any wastegate
Noise in your primary downpipes between 1500-2000 rpm?
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      06-04-2019, 10:50 AM   #20
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Quote:
Originally Posted by VCP View Post
Quote:
Originally Posted by mark5092 View Post
Pic of O2 extenders? Where did you get them?
If you zoom in on second last pic you can see them. 90 degree angle to them. Sean at Turner Motorsports is where I got these.
How many did you installed? Just these two or total of four? And where did you install them? I have installed the catted dp and midpipes. I am looking for a solution to the CEL.
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      06-04-2019, 10:59 AM   #21
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Quote:
Originally Posted by taz748 View Post
Quote:
Originally Posted by VCP View Post
Quote:
Originally Posted by mark5092 View Post
Pic of O2 extenders? Where did you get them?
If you zoom in on second last pic you can see them. 90 degree angle to them. Sean at Turner Motorsports is where I got these.
How many did you installed? Just these two or total of four? And where did you install them?
You only need to do post cat. Only 2.

Last edited by VCP; 06-04-2019 at 02:22 PM..
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      06-05-2019, 02:32 AM   #22
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thanks.
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