Quote:
Originally Posted by xcelir8bmw
You should read the threads with all the intake testing we have done working with the JB4 and Terry at BMS. My comment is backed by facts.
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I did read it. I believe this intake with a the billet maf housing will solve the issues you we're facing. I also have the wastegate connector which has a big role into how the jb4 works. This isn't my first rodeo with bmws or modding. 1000hp vet sitting in my garage. Built a single turbo 335i back in 2010 with terry. The main problems you had was the piping diameter you used. That plays a MASSIVE role in maf configuration. When going undersized or over sized with a maf it must be calibrated for such air volume.