Quote:
Originally Posted by Rollo`
So was there a noticeable increase in acceleration with this on?
I was going to get one of these but it turns out it is only covered by the original BMW warranty and not CPO. I have 3 more years of unlimited mileage warranty to go or I would be all over this at this price.
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There definitely was a noticeable increase in power. I don’t think the power band is that wide like with BM3, but with this once you get to around the 4K rpm range you do feel a pretty good surge of power over stock. Overall definitely a noticeable improvement in power while also being very smooth.