06-05-2019, 08:04 AM | #1 |
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Performance mods? B58 mods fit?
I know a couple companies have picked of M340i test cars to develop new products for our cars.
I'm sure with some software editing BootMod and JB4 will work with the M340i, but what about hardware? At least from my experience with an N55, a downpipe provided great power and subsequently a charge pipe was a good idea. Has anyone heard anything? Last edited by bimmer813; 06-09-2019 at 08:29 AM.. |
06-08-2019, 07:08 PM | #3 |
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Charge pipe is not needed on B58 like it was n55
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06-09-2019, 08:36 AM | #4 |
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I reached out to both Tiago at VRSF and Ando at Burger Tuning and here's what I got back:
VRSF - the previous gen downpipe does not fit, but they plan on developing one for the new car soon. As goj stated above, there is no need for an upgraded charge pipe on B58 like there was on the N55 motor. BMS - JB4 is compatible. Has anyone been able to find a downpipe for the M340i? May wait for Tiago@VRSF to develop one as their products were excellent for me (DP and CP) and a great value. |
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07-15-2019, 05:50 PM | #6 |
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A bit surprised how dead this whole section is...I feel like the mod bug normally hits the BMW community pretty hard haha
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07-15-2019, 11:21 PM | #7 |
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I agree, but I think it's simply such a low volume of owners at this point and companies are still in development phase.
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07-17-2019, 10:26 PM | #10 |
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Guys got the JB4 installed and went for a test ride... the car is amazing... so much power, the feeling is that the traction in lower gear is at limit during acceleration.
The pop from exhaust are way louder... amazing update. And only running map2 (+4psi) Only problem so far, is that JB4 seems not compatible with the live cockpit pro. I sent email to Terry and will let you know if there is solution to it. For now need to change map with data cable. |
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07-20-2019, 04:26 AM | #11 | |
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07-22-2019, 03:48 PM | #12 |
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I've reached out to Dinan but have not heard anything back yet.
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07-22-2019, 08:54 PM | #13 | |
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My 340 did not perform well (2 piggybacks) until I had it flashed and then it was just like oem on steroids / I'll be surprised if somehow the g20 changes that but I remain open minded because I have no first hand knowledge other than the f30 cars If the traction issue you mention is wheel spin and granny intervention that's one thing (I get that but) but if what you are experiencing is the car wildly pausing between shifts and seem lost that's a piggyback for you on 91 |
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07-23-2019, 09:30 AM | #14 | |
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The E85 is $375 for a 55 gallon drum. 2 gallons should be enough with each fill. So once a week would come out to ~$700 a year. Worth it in my opinion.
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07-23-2019, 10:42 AM | #15 | |
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For my 2021 M340 (obviously several several months off) I am simply going to transfer my tune to the new car Last edited by chenry; 07-23-2019 at 11:08 AM.. |
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07-23-2019, 12:33 PM | #16 | |
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Update: I just researched this a little and realized they can still easily detect a piggy back.
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07-23-2019, 01:37 PM | #17 | |
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So for me (in my late 40's) I simply wanted safe clean linear power delivery to redline without compromise or concern and the Mission Performance tune delivered that for me. Also didn't want to worry about E85 if it wasn't readily available - wanted to be able to dump 91 in the tank and move on. I'm presently just shy of 400 to the wheels (dyno tested) with a simple safe engine and tranny tune - not C63s territory but close and more than my 340 can put down given the lack of LSD or AWD. At this point I don't need more HP I need to become a better driver AutoX has proven that to me :-) Anyhoo - for my 2-cents I would flash before I piggybacked but to each their own - all good - motor on |
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07-23-2019, 06:48 PM | #18 |
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Oh guys let me get this clear. I would have flashed if I paid the piggyback or paid full price
I had it from previous cars and I only paid for the card upgrade which was less then 200$ so I just wanted to make reuse of it Regarding performance no hesitation in acceleration with crap ca 91 . That’s doesn’t mean cannot happen obviously but I’m leasing the car and no planning to keep hence one more reason I’m ok running a piggyback I will probably mix e85 to try to run +6 but for now performance are good for me |
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07-24-2019, 12:57 AM | #19 | |
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07-24-2019, 07:47 AM | #20 |
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Yes I connected. I know it’s tricky because they replaced the plastic cap on the firewall with a solid aluminum panel. You need to use a long screwdriver to poke through it. No much force needed
Before you poke it there is a round piece of sticky soft material. Remove it with your hand and save it. You can try to put that back on after you pass the wire through but I didn’t . I just saved it in the car to close the hole in future |
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07-24-2019, 09:55 AM | #21 |
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Unable to crack the ECU at this time. They've tried (on my car).
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07-24-2019, 12:35 PM | #22 |
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That's unfortunate. I would have thought their close relationship with BMW would help with that. Maybe not so close anymore?
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