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04-08-2021, 10:34 PM | #2 |
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I know several guys and two of them are here. Hopefully they chime in. I've been contemplating it. On my previous BMWs I had downpipes and tunes. First time in the 7 I'm kinda hesitant.
Thinking of going downpipes and tune?
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04-09-2021, 05:39 AM | #3 | |
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I would like to get downpipes and a tune.. I saw VRSF and ARM offer them but I just want a bit more insight. As far as tune goes, I’ll be going with BM3. Had them in the past and it’s pretty straight forward honestly. |
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04-09-2021, 11:43 AM | #5 |
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04-09-2021, 04:14 PM | #6 | |
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04-09-2021, 09:12 PM | #7 | ||
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I know a few guys running downpipes and stage 2 tune without any issues but they haven't had the car long enough to tell plus they don't really push the car hard. Not like we race these things like I did on my F10 M5 LOL. I imagine if you're not pushing the car and doing back to back high speed runs and keeping up with maintenance, should be fine I'd imagine. Project Gamma is a reputable manufacturer and has some downpipes for our cars. Little bit more expensive but it's a quality product.
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04-11-2021, 03:36 AM | #8 | |
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Do you happen to know which downpipes their running? |
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04-11-2021, 03:22 PM | #9 | ||
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04-11-2021, 10:45 PM | #11 |
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04-13-2021, 10:32 AM | #12 |
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I have a stage 1 bootmod3 tune and I will be getting downpipes and going stage 2 very soon. within the next month or so. Car is a rocket right now.
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04-13-2021, 02:45 PM | #13 |
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04-29-2021, 08:51 AM | #15 |
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Ive got a BM3 license and tune ready to go but i was advised by a freind thats a service manager at BMW (that also has a slew of modified cars) that even if you put the stock tune back on the DME, they can still see its been modified at one point and void the warranty. They even told him theyd void the warranty on his personal M3, and he works there.
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04-29-2021, 09:39 AM | #16 | |
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There is a method to do it without them telling. Just do full backup in bench. |
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04-29-2021, 11:01 AM | #17 |
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Too low a level of detail for me, however I understand that Bosch ECU’s had a counter that increments with each write operation, which is one of the ways they can tell. I was told that the switched on tuners actually read the value of this counter and subtract 1 before writing back, such that it looks normal and then requires a much more detailed investigation to see if it has been changed. I did this on a 2009 A8 using Viezu and dealer was none the wiser. I am going back to around 2011, so may also no longer be true, as they may have closed that loophole.
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04-29-2021, 11:26 AM | #18 | |
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05-02-2021, 10:47 AM | #21 |
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I there was any chance of voiding your warranty, I wouldn't be excited. These cars are way too expensive to repair on your own $$. For a car already out of warranty, have fun.
Or isn't Dinan "approved"?
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05-02-2021, 06:22 PM | #22 |
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I totally agree with you and im probably going to wait for atleast a little bit to make sure the car is solid, but the people telling me its possible would be the ones that know.
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