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j3vr6 j3vr6 is offline
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Posts: 16
Join Date: Jan 2019
Car: 2016 340i RWD
Default HCP Backend Flash for JB4 for B58? - 02-04-2019, 05:47 PM

Saw this on the HCPerformance's instagram account. They now offer back end tunes for the JB4 for the B58 engine.

See this Instagram photo by @hc.performance: HCPerformance on Instagram: “B58 backend flashes available ! #Repost @wrenchstudios with @get_repost ・・・ @panda340i remotely flashed for @mitchellmorson with our Most…”

What exactly would be the gain for doing this?
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