1. Rob09msport

    Thoughts on wth I need to fix now

    I am fbo with inlets outlets fully catless walnut blasted 5k ago new injectors and plugs 15k on hpfp and turbos and now my wgdc is high. Could this be boost solenoid aka pressure converter I changed one 10k miles ago because was...
  2. FredHarwood

    Strange boost problem!

    Hi everyone, strange issues with the 335i! Car is a 2006 RHD N54 335i with DP, intercooler, BOV, Charge pipe, Inlets, Outlets and RB Ones, JB4 (G4) Curently Map 2 (14.5 psi). I have been having some issues with making boost. Most of the time the car will spool up no issue hit the 14.5psi...
  3. veer90

    TMAP relocation?

    Possibly a dumb question. Has anyone relocated the TMAP sensor from the charge pipe to the intake manifold? Will the DME freak out when it no longer sees pressure spikes when you let off the throttle? Two reasons I ask: More accurate manifold pressure readings for PI controllers post-TB I have...
  4. arsenalmse


    Hello Spoolstreet! I thought I would introduce my company to you guys and tell you about some of the awesome stuff Arsenal Motorsports & Engineering has been developing for quite some time. To start off, Arsenal Motorsports & Engineering was started about a year ago by a couple of BMW...