03-13-2020, 06:28 AM | #1 |
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Open exhaust flap during cold start on 435i?
Hey guys, I've got a F36 435i 2015, with a supersprint exhaust, and a wagner tuning catless downpipe (which sounds amazing!).
When I bought the car it had Jb4 but I changed this to MHD cause it fitted my needs better. Although the only "issue" i have with this is I can not manually choose when to have my exhaust flap open, except in WOT Comfort/Sport mode. With the JB4 I could open it through the BC button at any time. So... I wonder if there is some way to manually open the exhaust flap on cold start. Thanks! |
03-13-2020, 11:20 AM | #2 |
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I'm not familiar with MHD but I know this feature is available with bootmod3. It can be found in the interface
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03-13-2020, 01:48 PM | #3 |
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in the MHD map write options prior to flashing it lets you check a box to have the valve always open in sport/+ mode.
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03-13-2020, 07:46 PM | #5 |
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03-14-2020, 10:17 PM | #8 |
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What is the m-sport exhaust? To my knowledge there is the stock exhaust that comes with all trim levels of 335i/435i and the M-performance exhaust which is an additional option.
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435, cold start, f36, supersprint exhaust, wagner tuning |
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