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Yeah, the throttle is now really pronounced. I also just changed my spark plugs an hour ago and took it for a spin with the JB4 on map 1. I'm amazed. I can't believe I never noticed how far the performance had degraded.
It's also interesting that a pump only has made a difference. Crazy that people are probably driving around right now missing power and smoothness they should rightfully have.
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2015 435i Gran Coupe - Current
2008 AW 135i - Sold |