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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications downpipe question
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      03-29-2015, 05:04 PM   #23
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Quote:
Originally Posted by ROBNYC View Post
Just 1 of these and you're good ?
Someone mentioned a spacer also

Yeah once again it's sort of rolling the dice but there's a 550 member who confirmed those worked for them. You will need one per post cat sensor and you have one of those per turbo. So 550 = 2 pieces
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      03-30-2015, 11:42 PM   #24
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Quote:
Originally Posted by phil7027
Even if I have the BMS tune, I will still get a CEL if I do a catless dp??
It depends on which BMS tune.
If you have the JB4 Stage 2, it will self clear the CEL.
I had it in my F10 528 and F15 X5, both with catless and never see the CEL for being catless.
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      03-31-2015, 02:03 PM   #25
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Quote:
Originally Posted by r33_RGSport View Post
It depends on which BMS tune.
If you have the JB4 Stage 2, it will self clear the CEL.
I had it in my F10 528 and F15 X5, both with catless and never see the CEL for being catless.
Not on N63 motors
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      03-31-2015, 02:07 PM   #26
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Quote:
Originally Posted by badblack550xi View Post
Not on N63 motors
Correct. Thank you for pointing out.
I kept on forgetting to mentioned that.
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      05-26-2015, 07:14 PM   #27
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Evolution Racewerks have now released their M5 downpipes

http://f10.m5post.com/forums/showthread.php?t=1131443







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