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  1. 21B055/21B056 codes

    21B056 - radiator lower valve coms fault 21B055 - radiator upper valve coms fault. What does this mean and how do I fix it lol
  2. Crankcase breather hose. Help me identify.

    I'm trying to figure out what this hose is or does. It appears to be vacuum only. It is #2 in the diagram and connected from the intake pipe to the side of the block. BMW has a valve that opens when under boost only to return crankcase pressure back to intake at least on the n55
  3. MHD U.S. ots tune availability

    When is the u.s ots tune suppose to launch
  4. R1 concept ceramic pads

    Just ordered a set of these for the fronts. They were $40 shipped. Had good luck with ceramics in the past. Even if they keep the nasty brake duat down I'd be happy. Ceramics tend to stay cooler than organics too
  5. Battery charger placement

    Is this the spot under the hood to put a trickle charger?
  6. Bootmod 3 users

    Looking for some feedback from bootmod3 users. Can't decide between bm3 and MHD.
  7. Downpipe on stock tune

    What's everybody's thoughts on this
  8. Key fob setting off alarm when locking

    Not sure why its doing this to me. When I hit the lock button on the fob the alarm goes off so I have to hit unlock to mute alarm. Any ideas?
  9. Intake silencers

    So the air box has multiple intake silencers. If we get someone to build us some block offs I think it would really help with the sounds we as enthusiasts like to hear. I know it wouldn't be very hard and I may look around and see what I can find around the house. What do you guys think?
  10. What o2 extender works?

    What o2 extender works to trick the ecu for no cel. Thanks
  11. Pure turbos hybrid turbo

    Looking for info on the pure turbo. How does it spool compared to stock. Looks like it makes less torque than the stock turbo which isn't necessarily a bad thing for the drivetrain. -Stock 450 Whp makes over 500 tq. -Pure 500whp seems to make under 500 tq. Tune could help this. Just...
  12. Catless down pipe options already

    Looks like there is already existing catless downpipes that look like they will fit. https://m.ebay.com/itm/REV9-16-BMW-B58-3-0L-TURBOCHARGER-DOWNPIPE-CAT-LESS-340I-440I-740I-BOLT-ON-F32-/282034432528?_mwBanner=1&_rdt=1


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