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      01-26-2016, 02:09 PM   #1
taylor_green
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Drives: 2014 328i Sport
Join Date: Aug 2015
Location: SC

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Considering JB4 with E85

Hey guys!

I'm getting bored with my current JB1 setup. I have a F30 328i and am looking to get a little bit more power out of it. I have read around and most of the treads about the JB4 are pretty old from when it first came out. What's the latest talk on drivability of the 328 N20 running 100% E85? I'm currently leasing the car and have about 14 months left on it. My main concerns are: Has anyone run into issues running full E85 on the N20? Can I just run the JB4 with no other modifications besides the tune and E85? Will the car suffer performance wise if say I take it into the shop, take off the JB4, and still have some E85 in the tank? Thanks so much for any advice or suggestions!
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