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      05-07-2019, 10:24 AM   #19
NCMMichael
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Drives: 2019 BMW 540i
Join Date: Mar 2019
Location: Charlotte, NC

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Quote:
Originally Posted by Warp Ten View Post
I just opened my flap yesterday. Removed the spring clip with a pair of needle nose pliers and wired it open with some 12 gauge electrical wire, twisting it tight with a larger pair of regular pliers. Took 5 minutes; little skill required. Hoping for a little improvement in sound but no change that I could discern. Going to add an M Performance exhaust sometime soon I think. --Bob
You would think I would know this, but the thought never occurred to me. I added the MPE and the Dinan Elite v2 tune. While the MPE note is fairly subtle at idle, I'm pleased with the improvement (sound and drivability). I assumed the MPE still utilized the flap in comfort, but I honestly never drive in comfort. Is the flap completely eliminated with the MPE?
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