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ECU Tune and Downpipes
Hello All,
I am new to the 7 series world as I have just picked up a 2016 750i M sport. I love it and it will be my new daily replacing a problematic built jeep wrangler. A little about me, I am fairly young (30 years old) and I have had 10 BMWs. I currently own an M4 as well. My question is if anybody has any experience or advice about adding a tune and downpipes to these cars to give it a little more muscle and sound. The car feels fast but I just cant leave anything too stock.
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