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      02-22-2019, 03:13 PM   #1
axel_e82
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Jb4

Im new to the bmw scene and i wanted to know how safe are jb4? And any other supporting mods needed
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      02-25-2019, 03:09 PM   #2
DaveXRS
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I have installed my JB4 a while back; I don't have any issue and very happy with it. The only thing I strongly suggest is to replace your charge pipe. The stock one is plastic and is prone to failure under increased boost.

People will however tell you to get MHD instead. I don't have MHD experience so won't comment.
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      02-25-2019, 03:28 PM   #3
axel_e82
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Okay thank you for that now i know what to get next
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      02-26-2019, 09:24 PM   #4
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Quote:
Originally Posted by axel_e82 View Post
Im new to the bmw scene and i wanted to know how safe are jb4? And any other supporting mods needed
Very safe tested and proven by tens of thousands of customers
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      02-27-2019, 10:25 AM   #5
axel_e82
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Okay thank you for the conformation
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      02-28-2019, 05:18 PM   #6
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Safe and can be used on an otherwise stock car, lightly modified or heavily modified.
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