I'm just a pedestrian. LOL! Cyril (another member) runs Map 6 on his 335xi although it is not recommended for high altitude. I like map 4 personally. I would like to try map 6 down at sea level. I like the JB3 at WOT. It's an animal. The V3 work realy well down low and part throttle. Much more torque when your at 1/2 throttle or 3/4. I'm running Stage 1 Doomsday with the V3. I'll let you try it when we get together. I'm gona hook up with AR Design to get a set of downpipes since they are local.
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