E60, E61 Parts, Accessories and Mods Discussion about both stock and aftermarket parts for the E60. Accessories and modifications too!

Jb-4

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Old 02-20-2013, 08:27 PM
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very happy to have recently become a member of the juicebox club. the jb4 on a stock e60 really makes the car come to life. so fun to drive! the bad news is that the mod bug has bitten me... down pipes? dual cone intake? what's next?
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Old 02-21-2013, 11:20 AM
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I'm looking at getting a 535i just for this mod. I bet its amazing.
Old 03-19-2013, 06:45 PM
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you won't be disappointed tex. it gives you that added boost that makes it REALLY fun to drive.
Old 03-20-2013, 03:17 PM
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Do you feel a big difference ? And can I do it on my 535xi does it matter if its an XI??
Old 03-22-2013, 09:48 AM
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I have the JB4 + ar design c@tless downpipes + BMS DCI. Killer combo.
Old 03-23-2013, 04:39 AM
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I LOVE mine and it's funny when I drive our F10 535 no Jb-4 I can feel the difference. Incredible system for the money. Just don't forget like some of have when taking the car in for a repair and leaving the Jb-4 in a mapp other than 0. The dealer cannot read obd when it's > 0. In my case car was out of warranty and so it wasn't so important, but just wasn't thinking clearly because the pump was under warranty . Hpfp failed and I forgot. It almost got ugly with the repair but in the end all was ok.

Last edited by tonyb635; 03-24-2013 at 07:14 AM.
Old 03-23-2013, 09:23 PM
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Worth getting the OCC too. You'll lose oil faster with the higher boost.




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