03-06-2020, 10:03 PM | #221 | |
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With the jb4, how does the car feel below around 2-2.5k rpms? With the jb1, it feels like stock. After that, the boost kicks in and it feels noticeably faster. For better support wrt jb4, https://www.n54tech.com/forums/ would probably be your best bet since I don't know anyone else here running a jb4 on the G20 yet.
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03-07-2020, 09:42 PM | #222 | |
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Yeah low end rpm feel about the same. I think 1st and second gear are about the same as stock too. 3rd gear, 3K RPM and above is where things get awesome.
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03-07-2020, 10:17 PM | #223 | |
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03-08-2020, 11:49 PM | #224 |
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JB+
Well Gents. I just purchased my '19 330 Saturday it had 18k miles. I've only put 50 miles on her. I've been reading this thread and I have to jump right in with the JB+ and intake 😎. I read the other threads on the JB4 and BM3. It seems there were much more hiccups on the flash tunes. I'm working out of town for the next six days, so my new toys should be at my house by the time I get home. I will update when the install is done.
BTW I'm new to the sight. Lot's of good information here!!! This is my 3rd BMW and by far the most fun yet!! .... BURGER says if you want to upgrade to the JB4 they will take back your JB+ and credit 199.00 to the purchase of the JB4 as long as its with in 1yr. That sound like a pretty good deal. |
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03-09-2020, 12:11 AM | #225 | |
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03-09-2020, 08:37 AM | #226 | |
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03-09-2020, 10:52 AM | #227 | ||
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I did not scroll all they eat down in Burger's description, where it doesn't fit the b48. I have already emailed them to try and stop the shipping of the CIA. 🤦🏼*♂️👍🏻😎 |
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03-09-2020, 11:08 AM | #228 |
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You're welcome. And if they do, you probably can return it?
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03-10-2020, 08:08 PM | #229 | |
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Had to get on this thread since very little B58 jb+ stuff
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03-10-2020, 09:39 PM | #230 | |
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Btw, Ive bought a JB4. I wonder how different itll be compared to the JB+.
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03-11-2020, 01:56 AM | #231 | ||
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03-11-2020, 05:18 AM | #232 | ||
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03-11-2020, 10:13 AM | #233 | ||
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03-11-2020, 11:13 AM | #234 | |
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03-11-2020, 02:16 PM | #235 |
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It arrives tomorrow. Ill hopefully install it a few days after it arrives. Ill definitely post my first impressions and compare it to the JB+.
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03-11-2020, 03:07 PM | #236 | |
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03-11-2020, 03:23 PM | #237 |
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I did a google search for JB+ in a bmw 320i and did stumble across a few threads. But they were mostly positive.
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03-14-2020, 04:59 AM | #238 |
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What kind of fuel are you guys using with the JB+ system?
Had an JB4 on my F30 320iA which worked fine but was pretty picky on the fuel i used. Run best on octane (RON) 102 (pretty good available in Germany, i live close to the border). Now own a G231 330i since October and i'm still in doubt of doing a chiptune or JB+ mod.... |
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03-14-2020, 09:40 AM | #239 | |
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03-14-2020, 07:44 PM | #240 | |
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03-15-2020, 03:13 PM | #241 | ||||
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03-16-2020, 02:48 AM | #242 |
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Regarding reliability and everything and since I'm on a lease.
Have you guys with the JB+ and JB4 ever thought about switching your chargepipe because I've heard of many people w Jb+ and JB4 on their F gen cars switching their Chargepipe because they often can't take the extra boost? |
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