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Got an 07 335 and I'm running jb3 & dual cone intake. Just had a recent fuel injector replacement and HPFP replacement at 55K. Waited a week or so and then put jb3 back on as well as intake. Made my first long commute with the car ever apprx 320 miles and at around 250 miles the yellow engine light came. Had loss of power, but car drove ran fine till I got to my destination. Took the jb3 out car sat for a few days. Ran fine to start my return. At about 200 miles it happened again. No jb3 just the dual cone intake. Again I could tell in accelerating it just didn't have the umph anymore. Finally got close to home and yeah it accelarated and some torque but nothing like a stock 335i. The car idle runs fine shifts are smooth just has lack of power, totally drivable though. Could it be the turbos are out? It is a cpo, but still just wondering if it could be something else.
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