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View Full Version : N55 Turbo Engine / Drivetrain / Exhaust Modifications


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  1. Intercooler size performance difference
  2. 335i Megan Exhaust install question (applicable to other exhausts of this type)
  3. N55 DIY Oil Cooler Upgrade Free
  4. Fuel Rail Revision?
  5. stock turbo PWG FBO 345hp/420tq gains expected adding meth injection via cp?
  6. TMAP Harness Patch Cable For EWG PI or Meth
  7. CEL after valve cover replacement
  8. Easy way to make the exhaust on my 2019 430i have popping/crackle sounds?
  9. Arm Motorsport FMIC
  10. BM3 Stage 2 + Catless DP = What gains should I expect?
  11. Downpipe - Has anyone ever built a cat bypass setup?
  12. f30 MUFFLER DELETE RATTLE
  13. TTE550 vs PS2
  14. Warranty is up, time for some mods. Which first?
  15. Chargepipe died
  16. Log review - Lag when data logging/mashing accellerator pedal MHD 2+ E20
  17. Cannot reset adaptations after sparkplug swap
  18. n55 f30 walnut blast 2019
  19. going ps2, have xdi 35 hpfp, need lpfp upgrade
  20. XHP torque/launch control editor
  21. JB4 Wiring Help
  22. Car Jerked forward coming to a stop...
  23. N55 oil change - First BMW
  24. Best spark plug for FBO
  25. ChargePipe Help
  26. Engine Governor
  27. Please review my BM3 datalog
  28. lpfp upgrade with fbo stock turbo and xdi 35 hpfp
  29. Fuel line Inside diameter
  30. Bootmod3 stage 1 2015 f30 issues
  31. 50k out of warranty: mhd vs Bm3 for n55 pwg
  32. Jb4 custom tune (map 6) for Pure turbo stage 2
  33. M Sport Air Filters?
  34. Help check engine light p10f5 and p10e2
  35. OFH Cooler and Housing
  36. Random loss of power N55 stg2 bm3
  37. BM3 Stage 2
  38. 335m vs m235 BM3
  39. AR Design Catted Downpipe - Does anyone have this?
  40. Pre-BM3 mods recommendations
  41. Bootmod 3 in California
  42. FS : MPE with titanium tips + JB4
  43. Engine Oil Temp is 205
  44. Subframe Drop DIY?
  45. Parting out 435i xdrive
  46. N55 Idle shudder / shake. HPFP, LPFP? Injector?
  47. Having a bit of a crisis — could use some advice
  48. low RPM vibration - 1st - 2nd gear manual
  49. MHD blown something on my car?
  50. Don't feel power is 100%
  51. Check you coolant hoses N55 owners!
  52. n54 wastegate actuator on n55? (pwg)
  53. N55 Flame Maps :)
  54. VRSF 5" HD intercooler
  55. VRSF Chargepipe
  56. N55 VRSF Catless Down Pipe
  57. Part number for 4" turbine housing->catalytic converter v-band clamp
  58. LPFP issue
  59. Beefy T-Case
  60. New HPFP Overdrive Kit
  61. Auxiliary Radiator (not oil cooler)
  62. Log Help - Throttle Position vs Accelerator
  63. BM3/MHD JB4 stacking. Who's doing it?
  64. F30 335 Valvetronic Designs Custom Exhaust System
  65. LPFP Actual Raw Psi (what is your number?)
  66. Solution to S2 lpfp melting
  67. stock charge pipe blew. codes and issues after new cp install
  68. Passed Smog Referee with MHD Stock map
  69. Max Power on a Daily Driver 4 Series
  70. 435i with BM3 bog down low
  71. Problem flashing XHP
  72. Catalytic converter monitor
  73. Pure Turbos Stage2 N55 EWG- anyone running 93 Octane?
  74. BM3 Custom tuner
  75. Lifeguard 8 vs 9
  76. Bm3 stage 2 E30/race gas vs JB4 map 7?
  77. Help! BimmerGeeks! Pro-K+Dcan Cable stuck in OBD
  78. Finding a boost leak
  79. Log help N55
  80. Flashed BM3 stage 1 93 octane - Need help with map config settings please
  81. What Would Your Next Mod Be?
  82. BM3 Burble settings - OTS vs OEM?
  83. EWG N55 TMAP / MAP Patch Adapter For PI or Meth
  84. F36 AC turns ON while the car is shut off
  85. $800 Quad Exhaust With Bumper Diffuser
  86. Need advice about my charge pipe
  87. MPE, Charge pipe, and BM3 installed. Next mod?
  88. For The Love Of God...Which Spark Plugs Do I Need?!?!
  89. MAPswitch option?
  90. How do these logs look
  91. Dinan Cold Air Intake now 450.00
  92. TuningTechFS XDI-35 HPFP full installation DIY
  93. Aftermarker Mufflers that use the factory exhaust flapper system
  94. what do i need for a full clutch upgrade f30 335ixdrive n55 6mt
  95. BM3 Hybrid Turbo Map(Stage 2H E30) with stock EWG Turbo
  96. E48ish Bootmod3 log stock hpfp pwg n55
  97. car seems louder and quicker before op temp
  98. Rookie Tuning Questions
  99. Recommend a FMIC for me please
  100. Just Flashed BootMod3 Stage2 & Trans Tune!
  101. need help with aic6 controller wiring
  102. inlet pipe options ps2 turbo?/install kit nec?
  103. Bm3 stage 2 93 now, what available for my ps2 upgrade 93
  104. Who’s got best price Pure Stage 2 for 2014 335 ewg
  105. Pure stage two turbo upgrade DIY
  106. Whistling after MPE exhaust on F33 - someone must have a fix!
  107. Difference in air filters
  108. F32 N55 engine oil leak
  109. Full e85
  110. Coolant Flush for N55
  111. N55 MHD - "engine program signature verification failure"
  112. X-drive midpipe
  113. override my programmed ecu
  114. Necessary to swap turbo-intercooler pipe when upgrading turbo
  115. Dinan or Wagner Intercooler
  116. 435i BMW PERFORMANCE PARTS
  117. Resonator delete with MPE + DP ?
  118. How much HP/TQ for each mod?
  119. Are custom tunes worth it?
  120. Quad Exhaust Tips
  121. Part Number for Vacuum Line Connected to Charge Pipe 8AT
  122. What plugs and wires for ps2 upgrade 93 octane
  123. Compressor Maps for N55 Turbo Options
  124. E85
  125. XHP adaptation values
  126. Rattle from engine
  127. Radar Detectors
  128. MAJOR lpfp issues.. really good use some help
  129. Stock F36 435i n55 drone
  130. Burning Rubber/Plastic Smell
  131. F30 n55 big turbo bef
  132. DV+ easier during DP install?
  133. Plastic Belly Shield
  134. Dyno Day! F32 435, MPPK, MPE, CTS Turbo Intake
  135. Rough idle during slight pedal press
  136. 2014 M135i runs 10.83@129mph !
  137. F/S Brand new vrsf charge pipe, down-pipe and intercooler
  138. Water injection kit install quote
  139. Mid pipe worth it?
  140. BimmerCode Sports + driving mode
  141. Transmission Leak?
  142. Bootmod3 questions
  143. n55 OEM Downpipe cell rating?
  144. BM3 Stage 2
  145. Oil filter housing gasket
  146. VRSF 5" HD vs CTS Turbo FMIC
  147. Thinking of MPE but worried no burbles now
  148. Logging options
  149. Various tunes by driving mode?
  150. F32 mod suggestions
  151. Quad Tips on MPE
  152. Catalyst Monitor Readiness-Not Pass
  153. Which methanol injection kit?
  154. BMW matching numbers - how to check?
  155. Possible PS2 Turbo 500whp?
  156. Burning oil question
  157. WTB used bootmod3 license
  158. 6mt intake vacuum plug
  159. WTB cold air intake n55 f30
  160. GFB DV+ on an N55 with the stock turbo?
  161. New VRSF Downpipe
  162. F32 435i Intercooler Stuck
  163. Muffler shop used 2.75 to 3 inch exhaust coupler?
  164. Naked and afraid
  165. CTS Turbo Charge Pipe O-Ring Fitment Issues
  166. E85 Tune Upgrades
  167. F32 435i Coolant Line Leak
  168. What to pay for mpe and mppk 2016 435xi
  169. Exhaust leak?
  170. N55 EWG rattle?
  171. methanol on pwg stock turbo stage 2
  172. What is needed to run e30
  173. Ewg n20 tmap n55
  174. Is HPFP upgrade required for PS2?
  175. Dyno day
  176. Xdrive vs RWD for hole shots on the road and track?
  177. Turner Motorsports Intercooler, Tune and FTP Charge pipe Unboxing
  178. 2015 335 Cooling Fan Dilemma
  179. Transmission Fluid Change DIY
  180. 2015 xdrive drivetrain fluid capacities
  181. DME/ECU replacement Cylinder relay(wiring) not responsive
  182. BM3 ACN Stage 2 91 Octane Boost Spike
  183. Throttle body cleaning
  184. Bizarre N55 noise
  185. o2 sensor bad? no afr reading?
  186. Car surges when first staring out
  187. Chirping noise when letting off gas
  188. BMS Stage 1 and BootMod3 Stage 2
  189. F30 N55 Cat-Back/Midpipe Recommendations
  190. Engine Mod Journey Complete!
  191. BMW VIN check
  192. F32 HPFP Code: 11A002 and 11AC02
  193. Launch control failure after XHP tweaks, two fault codes. Any ideas?
  194. So anyone tried running a double ECU config
  195. Switching from Dinan stage 2 to BM3
  196. Charge Pipe Install
  197. Conventional pressure operated wastegates on the N55
  198. Aftermarket turbo inlet on stock turbo.
  199. AH3 Transmisson Problems (ActiveHybrid3)
  200. F30 N55 Maintenance at 110K
  201. 435i Intake flap?
  202. Dead on hard acceleration
  203. Fseries - Xdelete connection issues/fixes
  204. Slow Oil Leak Below Engine?
  205. Brand new o2 sensor.. same codes. WILL PAY FOR HELP.
  206. CDV Delete
  207. Desperately looking for insight on this unknown O2 issue.
  208. F30 N55 Oil Catch Can Question
  209. MAP Sensor Problems
  210. Potential F30 purchase; 2nd gear grind fix/solution?
  211. Best tune for N55 PWG
  212. BMW 430i Gran Coupe MUFFLER DELETE STOPPED POPPING AND BANGING
  213. Water Pump Failure? Electrical Gremlins?
  214. x delete galaxy s8 ethernet wont connect
  215. Want to make $100 PayPal? Help me with my o2 issue
  216. NEW valved exhaust on the market!
  217. BM3 and 92 Octane Rating
  218. Catted Downpipe Power increase?
  219. N55 headflow numbers
  220. VRSF Race Muffler Loss of Power
  221. How warm is warm enough? Trans/oil/coolant temperature before hard driving.
  222. FINALLY broke into the 11s on stock turbo!
  223. FTP charge pipe...bungs not tapped correctly?
  224. 60k mile maintenance..
  225. O-ring seals for charge pipes
  226. CSF Intercooler on 2014 435i xdrive
  227. Options for Quad Exhaust (N55 435i)
  228. Catted downpipe
  229. PWG and BM3
  230. Stock intake vs. CTS Turbo intake - Logs!
  231. N55 Spun Crank Hub
  232. CA smog test xdrive
  233. Looking for CATTED Downpipe sound clips
  234. Ps2 upgrade what is this pipe??? Help
  235. P10e4 and drivetrain malfunction
  236. Muffler Delete
  237. N52 cam for n55 - yields solid gains
  238. Down from 11.6 to 11.0 in 8 days !
  239. Resetting Adaptations - Pros/Cons/Concerns?
  240. Intermittent powdered sugar smell from AC
  241. N55 Catless DP Smell Obnoxiously Strong
  242. Pure Turbo Stage 1 - Hold Boost at High RPM
  243. Part # for 4” turbo to downpipe clamp
  244. 435i N55 ZF8 Transmission Whine
  245. Need help with fault code
  246. JB4 and TTFS HPFP?
  247. FBO: Logs
  248. Tuning on top of MPPK
  249. Anyone With Sound Clips of AWE Exhaust + Fabspeed Catted Downpipe?
  250. Mysterious rattle without any vibration from passenger side; Trans?Or something else?