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View Full Version : N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning

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  1. Error Codes Help (2 replies)
  2. n54 Dinan stage 2 >>>piggyback? (2 replies)
  3. DIY Valvetronic Designs Exhaust PE Mod + Exhaust Meister Switch (0 replies)
  4. Help with logs on e92 335i (0 replies)
  5. N55 Exhaust Cam Stuck (4 replies)
  6. Exhaust Sound (3 replies)
  7. Negative -15LTFT? (7 replies)
  8. Lots of timing correction, IAT’s too high, and not meeting boost targets? (6 replies)
  9. BMW 335i N55 Negative fuel trim? (0 replies)
  10. N55 Lean Codes - 29E0, 2BC0, 2BF4 ? (5 replies)
  11. advice for starting tuning on a 2014 435i (0 replies)
  12. 2011 N55 went limp mode (found out why) (0 replies)
  13. The 1M Flywheel fitted to the N55 335i (6 replies)
  14. N55 BOV (9 replies)
  15. jb4 with MHD BEF (9 replies)
  16. Timing Corrections/ Knock adjustments?? Need Second Opinion.. (0 replies)
  17. Plug and Play Harness Splice (0 replies)
  18. Pure stage 2 dyno (51 replies)
  19. question regarding smog check (0 replies)
  20. Question regarding passing smog (3 replies)
  21. N55 oil level question (3 replies)
  22. Exhaust Options for Upgraded Turbo (2 replies)
  23. Vacuum pump + HPFP from F30 N55 to N55 E9X ? (3 replies)
  24. Alpine.N55 Flame Tunes (2 replies)
  25. HELP!!! Misfires after changing spark plugs (3 replies)
  26. Big boost N55 turbo upgrade (1 replies)
  27. Pure Stage 2 100K mile N55 (9 replies)
  28. MAD 5" Stepped Core Intercooler **NEW PRODUCT** (7 replies)
  29. Weird Rattle (4 replies)
  30. HPFP Demand on MHD Tunes (10 replies)
  31. Is this normal? (3 replies)
  32. Engine stalling after oil change (4 replies)
  33. N55 engine support bar: does anyone have a link to the correct part? (8 replies)
  34. N55 PWG Rattle?? (8 replies)
  35. Turbosmart EM BOV (0 replies)
  36. New to mods want upgrades please help n55 (6 replies)
  37. N55 spun rod bearing at 190,000km (33 replies)
  38. BMW N55. What happens when you neglect a leaking oil filter housing (1 replies)
  39. How loud does a cat less down pipe make your interior? (28 replies)
  40. Why is my boost hitting 22PSI on a stock map? (38 replies)
  41. Does your oil catch can catch anything? (4 replies)
  42. I Need Some JB4 + Catsim Help Please ?? (4 replies)
  43. Custom tune benefits vs OTS MHD stage 1+ (5 replies)
  44. Need Help With o2 Sensor (1 replies)
  45. Fueling and Tuning Limitations (0 replies)
  46. Crashing Rail Pressure Even After LPFP/HPFP (12 replies)
  47. Need help Identifying the p/n please (6 replies)
  48. Engine oil leak (4 replies)
  49. Need help with MAP issue (5 replies)
  50. Wrong Forum - Delete (3 replies)
  51. Port Injection Manifold Options (7 replies)
  52. Bmw 335i limp mode with codes help me out (7 replies)
  53. Cylinder 1 misfire any ideas? (1 replies)
  54. Car into LIMP MODE Help! (9 replies)
  55. Carbon build up on spark plugs N55 PWG (8 replies)
  56. N55 JB4 boost issue (2 replies)
  57. Negative LTFT at Idle (3 replies)
  58. Official MHD "How to use" Thread! (7 replies)
  59. Battery Replacement (5 replies)
  60. N55 or n54 for PS2. (4 replies)
  61. Jb4 Issues (1 replies)
  62. What oil should I use?! (12 replies)
  63. WOT misfires on tuned N55/PS2 (8 replies)
  64. Which tune does NOT have rev hang? (19 replies)
  65. N55 Diverter valve upgrade (7 replies)
  66. Any insight on my boost onset problems in every log and map revision (17 replies)
  67. Safest Formular for 600hp? (2 replies)
  68. Cold Start Stalling at Idle 6AT (17 replies)
  69. NEED HELP Error Code P0303 Cylinder 3 Misfire (2 replies)
  70. MHD Always fails to write to ECU (8 replies)
  71. Whistling noise from n55 (vid) (14 replies)
  72. PS2 and crappy Canadian gas (10 replies)
  73. Oil level sensor (0 replies)
  74. 400 whp N55 (16 replies)
  75. New To this! What is all needed to run E85? (12 replies)
  76. N55 PS2 wastegate rattle (3 replies)
  77. Do you have to professionally have a tune removed? (6 replies)
  78. Limp Mode + Rattling(once) After Engine Shutdown (3 replies)
  79. HPFP/LPFP (14 replies)
  80. Green like dried substance in charge pipe (2 replies)
  81. Valve cover replacement kit OEM? (0 replies)
  82. Question About Radiator Drain Plug (5 replies)
  83. DCT Pan Replacement - Should I Replace the Pump? (0 replies)
  84. Valve cover gasket leak and coils (2 replies)
  85. Pure800 (21 replies)
  86. N55 98G0B Bin Sharing and Feedback (16 replies)
  87. N55 Tuning Basic and Troubleshooting (0 replies)
  88. N55 Tuning Software (10 replies)
  89. Throttle RPMs when Cold (5 replies)
  90. 2011 e92 n55 cold air intake recommendation (6 replies)
  91. Oil housing gasket leaking after replacement??? (26 replies)
  92. Will a stock 335i N55e "pop or burble"? (11 replies)
  93. Mastery of Art & Design N55 Downpipe ***NEW PRODUCT*** (0 replies)
  94. coolant system question (4 replies)
  95. Tuning Issue (4 replies)
  96. n55 Crank Seal Guard Installed (8 replies)
  97. M3 6 speed transmission - will it fit? (1 replies)
  98. Diag some fuel pumps (1 replies)
  99. New to tuning, custom tune by a shop versus doing it myself (3 replies)
  100. need to re tune? (1 replies)
  101. N55 Metal In Oil - Replace Rod Bearings or New engine? (7 replies)
  102. Not sure which BEF after switch to iPhone (3 replies)
  103. engine turns over but "everything is broken" (4 replies)
  104. How concerning is this? Findings During Valve Cover Job (7 replies)
  105. Boost leak? (2 replies)
  106. GFB DV+ vs Turbosmart EM BOV (0 replies)
  107. Carbon Build Up - N55 with 54k Miles (5 replies)
  108. Phoenix Racing Down Pipe. (3 replies)
  109. Intermittent Electrical Issue (Dying) on Startup (4 replies)
  110. Any one know of a tuner to tune out secondary o2 (2 replies)
  111. Misfire, correction, upgradeturbo (13 replies)
  112. Did the dealership need to flash (2 replies)
  113. Compressor v-band clamp (0 replies)
  114. Newer HPFP swap possible? (0 replies)
  115. PPK vs MHD/BM3 (8 replies)
  116. Very slow coolant leak (3 replies)
  117. Can someone help me with my datalogs ? (13 replies)
  118. Lower Charge Pipe (10 replies)
  119. N55 Overboost Throttle Closure (17 replies)
  120. New used motor on stand what should i fix (6 replies)
  121. Help Newbie: 2011 E82 N55 DCT Questions and Concerns (2 replies)
  122. Codes after Vanos Solenoid Cleaning (6 replies)
  123. E90 N55 335i Failing Arizona Emissions (1 replies)
  124. JB4 Harness B to Harness A (5 replies)
  125. Air intake codes, MAF or MAP? (12 replies)
  126. *NEW* Injen X-Pedal Pro Black Now Available! (4 replies)
  127. Can you put a PWG turbo on an EWG engine (4 replies)
  128. 335i Crank but no start (1 replies)
  129. PS2 Methanol Log (6 replies)
  130. N55 335i with M3 style bumper - what muffler can I use to reduce drone? (0 replies)
  131. N55 crank hub failure (1 replies)
  132. Code 2BEA, Car Stalling when coming to a stop (5 replies)
  133. VTT Engine Mount Inserts (24 replies)
  134. Misfire due to high ignition timing on cylinder 1 (1 replies)
  135. Possible Exhaust Leak (3 replies)
  136. MHD Stage 2+ Data Log - Before/After Water-Meth Inj (12 replies)
  137. E90 N55 PS2 E85 Questions (4 replies)
  138. Pure Stage 2 install guide? (4 replies)
  139. Help (6 replies)
  140. Jb4 install gone wrong (4 replies)
  141. Turbo Outlet Chargepipe (5 replies)
  142. N55 MHD battery registration (2 replies)
  143. Strange noise from engine (5 replies)
  144. Pure stage 2 turbo (47 replies)
  145. MHD Not clearing codes (2 replies)
  146. Dealer selling me (Dinan) tuned car. (6 replies)
  147. 3rd gear to redline (15 replies)
  148. Long term use of Boostane, any issues? (10 replies)
  149. Best Burble Settings On MHD New Update (1 replies)
  150. Pure600 Ignition or fuel related issue? (LOG INCLUDED) (6 replies)
  151. Car stutters under boost, log included (7 replies)
  152. Question on 4/2 for Backend Flash (0 replies)
  153. N55 left Muffler Delete? (11 replies)
  154. Misses (7 replies)
  155. There's Nothing I Can Do, Right? (6 replies)
  156. N55 Engine Seize? (12 replies)
  157. 2c57 at Low Rpms (3 replies)
  158. N55 codes - 29D0 + 290A (3 replies)
  159. delete (0 replies)
  160. JB4 installed just ordered MHD WiFi Module (7 replies)
  161. f30 m performance exhaust tip (1 replies)
  162. Need a little more fuel with PS2 (8 replies)
  163. Spool Performance FX-150 HPFP (5 replies)
  164. E82 n55 and e90 n55 xdrive downpipe interchangeable? (5 replies)
  165. N55 loud ticking noise (17 replies)
  166. Help no power full throttle (4 replies)
  167. Little to no boost in 2nd gear (5 replies)
  168. E90 N55 hp/torque numbers off ? NEED HELP (12 replies)
  169. Meth Injection Question (5 replies)
  170. Cyl. timing corrections / boost fall off (12 replies)
  171. FMIC using stock connections....Wagner EVO 1 or Mishimoto? (9 replies)
  172. PPK vs. MHD Stage 1/1+....noticeable difference? (0 replies)
  173. Mixing e85 to raise octane (6 replies)
  174. Horrible Overboost Target 18 Actual 29 (6 replies)
  175. E90 n55 xdrive To n54 ?! (0 replies)
  176. N55 hybrid turbo (2 replies)
  177. N55 2D05 Persistent Code Help (2 replies)
  178. Throttle body bolts on intake manifold stripped hole (4 replies)
  179. Have not been able to resolve 2C57 in E93 N55 (3 replies)
  180. 11.53s @ 120.76 PS2 N55 (8 replies)
  181. mhd stage 2+ not as i hoped it would be (10 replies)
  182. E92 335i N55 DCT Strange Lag issue (7 replies)
  183. MHD Stage 1+ (2 replies)
  184. Question on N55 (1 replies)
  185. Looking for a tune E90 328i. (2 replies)
  186. Large timing corrections as IAT increases (13 replies)
  187. Shift sound (1 replies)
  188. e92 N55 strange Engine noise (2 replies)
  189. Differences N55 engines between 2010 and 2015 (6 replies)
  190. MHD Tuning question regarding stages (2 replies)
  191. Thinking of swapping from JB4 to MHD (5 replies)
  192. N55 codes. No cel????? (1 replies)
  193. 07 335i 2-3 gear medium pull data graph (0 replies)
  194. N55 Injector Kit (5 replies)
  195. Stock springs? (0 replies)
  196. VRSF exhaust with stock DP (fitment/sound) (2 replies)
  197. Strange Timing Glitch? (2 replies)
  198. Superknock (5 replies)
  199. COBB or VRSF DownPipe dilemma (7 replies)
  200. MHD tuning (2 replies)
  201. Boost leak? (1 replies)
  202. Anyone running mafless with short air filter? (0 replies)
  203. I have the worst luck (16 replies)
  204. Cobb AccessTuner (0 replies)
  205. Help finding a clip (1 replies)
  206. Battery issue help (2 replies)
  207. Warm Start Stutter (1 replies)
  208. My 2011 E92 build so far (15 replies)
  209. Dynoing on Xdelete (4 replies)
  210. MHD stage 2 low target boost? (3 replies)
  211. Walnut Blast for High-mileage N55s...Just Do It! (3 replies)
  212. Mhd google pay (11 replies)
  213. Whats going on here!? (OFH) (4 replies)
  214. MHD IOS (5 replies)
  215. Fseries manual trans into an eseries? (19 replies)
  216. N55 Delphi Ignition Coil Question (12 replies)
  217. Best OEM'ish clutch option (5 replies)
  218. LPFP install fail! No start! Help? (1 replies)
  219. Upgraded turbo??? (7 replies)
  220. 321C error code - fuel tank ventilation purge air system minor leak (2 replies)
  221. Help timing corrections!! (6 replies)
  222. Rpms drop during idle. (12 replies)
  223. WTB e series mhd WiFi adapter! (2 replies)
  224. Possible boost leak (0 replies)
  225. Manual Trans Vendors??? (3 replies)
  226. E90 N55 Filtered Air Pipe? (4 replies)
  227. 60 to 130 (1 replies)
  228. Logs help. (0 replies)
  229. N55 - Whirring/screeching Noise. Rear Cranshaft Seal? (3 replies)
  230. Car won't start after trying to flash MHD (3 replies)
  231. Which wire in our N55 cars serves as the RPM Signal? (4 replies)
  232. Head swap gasket question (8 replies)
  233. VRSF chargepipe fitment (4 replies)
  234. HPFP replaced still LIMP still throwing codes. Any help? (2 replies)
  235. Cold Air Intake IAT Comparisons (17 replies)
  236. E92 335i N55 Catback Exhaust options (5 replies)
  237. Pure stage 2 turbo N55 (16 replies)
  238. Snow Performance Stage 2 (4 replies)
  239. N55 xdrive downpipe install - other work at same time? (10 replies)
  240. What connector/sensor is this? (N55 E92) (2 replies)
  241. N55 rattling/ buzzing (10 replies)
  242. Performance exhaust on an 2013 E93 335i? (3 replies)
  243. Have to replace the Valve Cover (5 replies)
  244. Help with some codes (strange ones) (7 replies)
  245. E90 N55 Ignition coils suggestions? (4 replies)
  246. Gfb dv+ upgrade n55 (17 replies)
  247. Help Finding charge air induction tract o ring (11 replies)
  248. Who has tried the new xHP v3.0 flash? (15 replies)
  249. Running Cone intake at inlet E chasis N55 (4 replies)
  250. E90 N55 - Oil Catch Can Recommendation? (6 replies)