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View Full Version : N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning


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  1. Dyno Guesses Pure Stage 2
  2. heated steering wheel missing connector
  3. Car rocking under 1k RPM
  4. Looking for Pure500 Input
  5. Best exhaust & performance upgrade to retain stock sound
  6. O2 Spacer - Elbow or straight
  7. HPFP Upgrade Worth It For Pump Gas? NOT E85
  8. HJS Euro 6 and detuning M2
  9. Misfires on Cylinder 3
  10. Cold Start Off ?
  11. Step-by-Step Installation Guide: CSF Race-Spec Radiator
  12. MAP sensor screw broken in FTP chargepipe
  13. Why are my exhaust valves always open?
  14. N55 Coolant Flush Question
  15. M2 N55 6MT Vacuum Line
  16. Best Catted/HFC Downpipe for OG M2?
  17. E85 Mix On California Gas
  18. Dinan Free Flow alone (stock resonator) not enough?
  19. How to know if N55 has diverter valve
  20. PS2 Setup Diverter / BOV Help
  21. Rough Logs on bm3 Multimap Stage 2 Tune. Requesting Insight
  22. MHD OTS HPFP stage 2(+?) thread
  23. Powertrain malfunction after tune
  24. Have anyone tried to retrofit M setup such as in m2c in m2 n55
  25. prime the oil system
  26. How does your M2's engine sound? (ticking noise)
  27. possibility of O ring from Charge pipe getting sucked into engine.
  28. Akrapovic N55 Cat-Back Exhaust
  29. HELP! Valve train noise
  30. RPM jump after up shifting w BM3 tune
  31. Bootmod3 Review - a BMW ECU flash tuning platform in depth review
  32. Fueling options / Suggestions
  33. Any stress from 'GTS roar'?
  34. Trying to make sense of the current Dinan tuning options
  35. what turbo for 450whp on 91acn?
  36. PSA Differential Plug Torque is 45 NM!!!
  37. DATALOG Request
  38. Turbo not kicking in for 3rd gear higher rev range.
  39. which IC + CP combo out of these?
  40. ISO Used N55 M2 Differential
  41. Pure500 Results?
  42. Pure Stage 2 WasteGate Actuator Adjustment?
  43. Wastegate Duty Cycle
  44. Car quieter after Dinan resonator delete??
  45. Dorch Stage 2 2023 Update???
  46. Ticking noise when car is in accessory mode
  47. Want to buy M2 exhaust, n55 version please!
  48. Bm3 wifi Adapter Password
  49. Getting jugged by the dealer (los angeles)
  50. BM3 Stage 2+ Config
  51. Vibration from rear above 50mph
  52. BM3 or JB4?
  53. Mperformance replacement tips
  54. Charge Pipe Install - What a PITA
  55. Weird noise coming from underneath the car
  56. Weird knock happens after shifting, 6MT Multimap Stage2+
  57. Valvetronic problems
  58. Infinity Design: Revolutionizing the Automotive Industry with Innovation and Quality
  59. RK-Tunes F-SERIES N55 FRONT MOUNT INTAKE **NEW PRODUCT**
  60. Coolant Wont Go Below 100C
  61. OG M2 tuning questions
  62. Rattle when applying light throttle
  63. Bad actuator?
  64. Did you guys see the 455/530 on an OG with just an IC and FP?
  65. Please Delete
  66. Franken F55 turbo for N55 EWG is here (kinda)
  67. first time owning bmw, stage 1 logs
  68. help BM3 new Flex Fuel Kit
  69. RTD F-Chassis Mounted Shifter Kit Review
  70. One more victim of the plastic charge pipe
  71. 2018 BMW M2 MPE Vibrations/Rattle
  72. How to opening the MPE exhaust valve all the time
  73. M2 LCI "Turbo" Noise normal?
  74. What is normal Oil Pressure for N55B
  75. Inside of M2 MPE
  76. ultimate clutch pedal install help
  77. BM3 burbles gone after disconnecting battery?
  78. Blown Turbo?
  79. BM3 N55 M2
  80. water to air N55 intercooler
  81. Wagner catted DP = More sound?
  82. CG VSC1 Valve Controller install question
  83. stock to fbo with dyno
  84. Stock Coolant Target?
  85. BM3 'read DME'
  86. Analysis Paralysis on Catless Downpipes
  87. Boost Leak Test
  88. help with code 121201
  89. N55 Best Upgraded Turbo/Intercooler Option?
  90. n55 M2 DCT jumping into neutral
  91. Howling noise from engine bay?
  92. Bought a AEM v3 Meth kit
  93. Vehicle check in 1000 km & Engine oil in 1000 km warning….
  94. Custom Exhaust
  95. New Air to Water Intercooler
  96. Turbo DIY?
  97. MPE yellow fluid leak on floor?
  98. Stutter/misfire feel at WOT
  99. Aux Radiator Inlet and Outlet lines p/n
  100. Filterwears Intake Pre-Filter Review
  101. Misfire high rpm limp mode bm3 stage 2+
  102. 2017 manual M2 oil leaking
  103. New owner, mods questions
  104. Low boost pressure compared to boos target pressure and tick noise when warm
  105. CSF oil cooler fitment issues?
  106. Blew my turbo on ots??
  107. F8S Spark Plugs for E85?
  108. Carbahn Intercooler
  109. Vrsf 6.5 fmic
  110. M2 N55 over revs/boosts between shifts
  111. best OG m2 tuner
  112. How are you gapping your plugs?
  113. MPE Exhaust Rattle FIXED
  114. New Owner - Exhuast setup pairing questions.
  115. Please Measure Your N55 Turbo Inlet Pipe?
  116. Oil Cooler and coolant choice?
  117. N55 M2 - Purposely Coding Out Cold Start
  118. Quick advice: OG M2 2017...upgrading to stage 2
  119. What is the stock boost value? Stock vs BM3 Stage 1?
  120. Catless DP too raspy with Remus, solutions?
  121. Bootmod3 REV2 Board Announcement - New Video
  122. Ultimate Clutch Pedal for RHD
  123. Specs for bolts to install E-Wastegate onto N55 turbo?
  124. Spark Plugs N55 M2
  125. N55 LCi M2 lunch control delay
  126. MPE Exhaust Flap Stuck Closed
  127. Auto rev match started to work in Sport+
  128. DIY: BM3 FlexFuel to FEM Wiring N55/S55
  129. Need a power supply when flashing w/ BM3?
  130. Replacement (vacuum?) hose between intake & charge pipe?
  131. N55 w/ 9k rpm redline!
  132. "Gunshots" after BM3 Stage 1 @ 91 and CSF IC Install
  133. N55 BM3 OTS Stage 1 OTS v6.0 Map
  134. Correct Way to Install N55 Chargepipe O Ring
  135. BM3 Spool fx-200 compatibility?