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

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  1. Replace stock charge pipe with VRSF... now large oil leak (3 replies)
  2. 2014 BMW 435i - Looking for more exhaust sound, are these purchases be sufficient? (5 replies)
  3. Final Drive f30 335i auto (1 replies)
  4. Couple knocks in BM3 stage 1 pull. Anyone care to look? (31 replies)
  5. Bootmod3 Stage 2+ E30 octane maps for N55-EWG are now available! (435 replies)
  6. 6MT not going into reverse (23 replies)
  7. Why is MHD better than BM3 for PWG n55? (42 replies)
  8. BM3 Stage 2 Log Review, 14' 335i xDrive N55 (29 replies)
  9. INTAKE TESTING: Detailed Review, Data Analysis, & Comparison – MPPK vs. Dinan vs. CTS (135 replies)
  10. Acceleration whining ? ZF8 x drive (11 replies)
  11. A new hpfp option Nostrum industries (38 replies)
  12. Catless DP w/ muffler? (4 replies)
  13. 1st in the World! DCT Swap N55 435i (34 replies)
  14. 3.5" vs 4" exhaust tips 435i (8 replies)
  15. O2 Sensor Readiness (0 replies)
  16. Dorch stg1 hpfp enough? (56 replies)
  17. Oil leak has me stumped. (14 replies)
  18. BMW clamps and connectors (2 replies)
  19. *NEW* Injen X-Pedal Pro Black Now Available! (4 replies)
  20. CSF cooler and ER cp (21 replies)
  21. Big Boost Turbo Experience Anyone? (29 replies)
  22. BM3 tune question (5 replies)
  23. ECUTEK!!! FTW!!! (30 replies)
  24. VRSF catless downpipe and Bootmod3 Stage 2 review (with pics and video/sound) (0 replies)
  25. 435i exhaust options? (22 replies)
  26. Hard to shift into 1st or reverse gear from standstill (17 replies)
  27. RPM increasing when closing AC (1 replies)
  28. NEW ProTuning Freaks (PTF) Intercooler (25 replies)
  29. Check Engine - 12B302 (7 replies)
  30. N55 Metal ticking/vibrations - Video included (13 replies)
  31. 100 vs 50/50 meth - car custom tuned for 100% meth (4 replies)
  32. 435i x-drive ZF8HP BM3 TCU flash impressions (4 replies)
  33. Charge pipe guidance (16 replies)
  34. n55 dp lower vband gasket leaks (3 replies)
  35. Strong as weakest link.... (17 replies)
  36. Fuel pressure dropping Jb4 map 2 bef (13 replies)
  37. PCV/CCV failure - Easy Fix (18 replies)
  38. E85 mix with JB4 Map5 N55 (18 replies)
  39. Request: CTS turbo intake logs (34 replies)
  40. M2 makes 30hp more with addition of (8 replies)
  41. Mechanic said blown motor and now its a clusterf*** (6 replies)
  42. F30 loud turbo whistle and rough idle (4 replies)
  43. Anyone running a xdi-35 or dorch stg1 with pure stg2 turbo (2 replies)
  44. Wastegate failure on N55 EWG (4 replies)
  45. Decisions, decisions. (61 replies)
  46. Lsd swap (27 replies)
  47. Car has been sitting during COVID now has errors (16 replies)
  48. HPFP on its way out? (23 replies)
  49. Cold Start Misfire? (9 replies)
  50. Spark plug change at 75k, cylinder misfiring HELP (19 replies)
  51. FBO: 435i Xdrive 2016 (2 replies)
  52. MHD vs BM3 Dyno (cross post) (2 replies)
  53. Fault codes (2 replies)
  54. IC for 2015 AH3 335i (0 replies)
  55. Coding Replacement Injectors (1 replies)
  56. Possible valvetronic failure (8 replies)
  57. 2014 f30 N55 cold start problem (52 replies)
  58. bootmod3: Map Switching (DEMO) - Advanced End User/Tuning Features (26 replies)
  59. Turbo install parts? (1 replies)
  60. Doing spark plugs is a bit spooky (9 replies)
  61. Loudest intake for the n55? (6 replies)
  62. BM3 vs MHD for BEF (3 replies)
  63. Can I use BM3 on a laptop without ethernet socket? (2 replies)
  64. Vargas Turbo vs Pure2 (3 replies)
  65. Well F......I'm done (15 replies)
  66. Possible transfer case issue? (13 replies)
  67. Odd issue after turbosmart dv install (7 replies)
  68. Updated with BM3 logs - Strange cold start.. Battery? Fuel Pump? lost... ;-/ (47 replies)
  69. Blackstone oil lab report on, 152k miles (5 replies)
  70. Strut Tower bolts size? (31 replies)
  71. Turner motorsports charge pipe? (7 replies)
  72. VAC crank seal guard (0 replies)
  73. Question in the wrong section. Bare with me (2 replies)
  74. Decent mileage N55s, check your ho... (14 replies)
  75. Really that fast?... (10 replies)
  76. Highest HP made on 435xi (n55) ? (1 replies)
  77. Map 2 vs Map 5 JB4 (4 replies)
  78. 100% water injection? (11 replies)
  79. F30 N55 PS2 very high IAT (16 replies)
  80. Water pump/thermostat job (2 replies)
  81. Tracking down grinding engine noise. Please help!! (12 replies)
  82. VRSF 6.5" Stepped Competition FMIC - Installation and Review (with pics and logs!) (47 replies)
  83. Dyno day!! (33 replies)
  84. Where is the softlimiter located? (2 replies)
  85. Fuel System Crash (10 replies)
  86. MPE Design (Scam?) (3 replies)
  87. Dinan ECU Tune Issues? (18 replies)
  88. 435i e30 data logs (5 replies)
  89. How often do you redline your N55 (32 replies)
  90. Tracking down driveline vibration. What is this noise? (32 replies)
  91. n55 spun hub (7 replies)
  92. XHP flash tool question (2 replies)
  93. cts turbo catted dp any good? (edit: installed and reviewed) (65 replies)
  94. Loss of Boost (9 replies)
  95. First BM3 Logs (6 replies)
  96. VRSF charge pipe question (12 replies)
  97. Dying to add a DP, reluctant to do so (35 replies)
  98. Will a resonator delete give a check engine light? (8 replies)
  99. Loud fan (1 replies)
  100. Mosselmans turbo upgrade option opinions (3 replies)
  101. Running AGG tunes BM3 (4 replies)
  102. Intercooler talk (38 replies)
  103. What are some downpipe that won't give a CEL without a tune (11 replies)
  104. 92k (23 replies)
  105. Wagner EVO I Competition Intercooler: Have you been happy with it? (26 replies)
  106. Can't find my boost leak.... help (9 replies)
  107. Transmission issue or ? (4 replies)
  108. Muffler Delete (28 replies)
  109. code 021208 after bm3 flash (1 replies)
  110. Busted coolant line, my fix :D (3 replies)
  111. Need A New Cooling Fan (20 replies)
  112. New BMW 435i owner!! (6 replies)
  113. N55 Dorch Stage 2 Full E85? (19 replies)
  114. Dropped a bolt into engine compartment... :/ (7 replies)
  115. TR TW2001 Turbo for BMW N55 (0 replies)
  116. F32 N55 Dyno - MHD Stage 2+ (36 replies)
  117. Pulling power at 100mph (2 replies)
  118. Activehybrid 3 F30 N55 JB4 or BM3? (13 replies)
  119. 435i BM3 E30 setup? (3 replies)
  120. 435i BM3 stage 2 93 dyno results? (24 replies)
  121. Watermeth kit w/ 91oct. Cost running (13 replies)
  122. 435i Res Delete Causing Shaking? (7 replies)
  123. Spark plugs for N55 (8 replies)
  124. How to check Datalogs (16 replies)
  125. N52 cam (5 replies)
  126. exhaust setup for a 2016 435i (1 replies)
  127. BMW M340 Exhaust (13 replies)
  128. 3.5 Downpipe or 4? (11 replies)
  129. Stock turbo XDI 35 map question (48 replies)
  130. RPMS Keep Jolting (18 replies)
  131. Need Help** Oil on Cat**Not VCG (4 replies)
  132. What exhaust is this? (3 replies)
  133. Quarantine Project: AEM WMI (8 replies)
  134. HELP!! car was rough idling then stalled 481b03 (7 replies)
  135. Bms stage 1 stutter (8 replies)
  136. N55 Pure Stage 1 PWG (25 replies)
  137. Coolant temp sensor keeps going bad (4 replies)
  138. Just got my Borla ATAK installed (13 replies)
  139. Automatic Transmission Flare (9 replies)
  140. P0420 catless?? Aster BM3 stage 1 flash (3 replies)
  141. Transmission code today (0 replies)
  142. Is my intercooler stock? (6 replies)
  143. Does a catless downpipe increase a lot of noise? (10 replies)
  144. Fuel consuption after BM3 Stage 1 flash (14 replies)
  145. Which is louder? (3 replies)
  146. M performance vs stock exhaust comparison (0 replies)
  147. Oil pan replacement and gasket F30 N55 (14 replies)
  148. BMP Port Injection Install (3 replies)
  149. How does one run e85 safely on a 435i (15 replies)
  150. N55 JB4 Install Questions (7 replies)
  151. N55 Bosch VS OEM Fuel Injectors (11 replies)
  152. BMW F30 335 msport N55 Tmap o-ring replacement (2 replies)
  153. Oil analysis with a Pure Turbo (8 replies)
  154. 100 octane tune (8 replies)
  155. Exhaust system suggestions (18 replies)
  156. Catless downpipe but no cel code. (4 replies)
  157. Check engine with tunes (7 replies)
  158. Pure Stage 2 or Stage 1 Turbo for F32 (17 replies)
  159. Turbo Transformer Boost Controller. Simple, Reliable & Fun! (20 replies)
  160. Looking for exhaust 14 335 F30 (2 replies)
  161. Exhaust: valvetronics vs m performance (11 replies)
  162. F30 N55 950WHP Project (87 replies)
  163. How to delete shadow codes on f32 (6 replies)
  164. Jb4 and mhd fuel system error (5 replies)
  165. Bootmod3 Custom Burble Question (4 replies)
  166. G-Plus intercooler Back in stock (6 replies)
  167. Help with my rattling exhuast. MPE on F30 N55 (2 replies)
  168. New Downpipe (5 replies)
  169. N55 low rpm rattle (6 replies)
  170. Drive train malfunction (9 replies)
  171. Is it ok to shift at high RPM? (6 replies)
  172. tomioka turbo upgrade (2 replies)
  173. mhd stg2 + can I run the 95 octane map (18 replies)
  174. Question about BM3 (10 replies)
  175. PSA change your serpentine belt with idler and tensioner pulley at around 60 or at le (7 replies)
  176. TTE Turbos? (4 replies)
  177. Exhaust Cutout Wiring (0 replies)
  178. N55 Drivetrain Malfunction (2 replies)
  179. DCT (8 replies)
  180. Data Logging Results (6 replies)
  181. 335i PWG looking for ~450whp on 91 (51 replies)
  182. Best exhaust setup with VRSF catless DP? (14 replies)
  183. BM3 OTS vs Carey Jordan vs F80Paul (21 replies)
  184. GTHaus exhaust install Question (3 replies)
  185. Looking for bm3 (1 replies)
  186. Boost leak (16 replies)
  187. Stage 1 impulse upgrade -- upgrading questions... (21 replies)
  188. Changing JB4 maps as a backup tune to a flash (5 replies)
  189. NEW RELEASE: Dinan Stage 2 N55 Flash Tuning ('F' Chassis) (10 replies)
  190. AC update with piggyback tune problems? (15 replies)
  191. 2015 bmw F30 335i xdrive, engine start/stop, comfort access stopped working (13 replies)
  192. Will M135i/M235i ZF8HP45 gearbox fit N55 F30? (22 replies)
  193. Stock turbo and HPFP limit (16 replies)
  194. Fuel system cleaner (8 replies)
  195. Upgraded clutch questions (11 replies)
  196. Snow Performance Boost Tap (2 replies)
  197. 428 to 435 exhaust conversion (2 replies)
  198. rough idle/coasting at low speeds (0 replies)
  199. Bigboost catless fbo emissions readiness (3 replies)
  200. Valve cover options (1 replies)
  201. Cat readiness (5 replies)
  202. F30 N55 crazy AFR after Pure Stage 2, Dorch, JB4, MHD backend. (8 replies)
  203. What's louder? (4 replies)
  204. Leaky Doohickey (Wastegate?) (10 replies)
  205. Test (1 replies)
  206. Xdrive, rear wheel spin during launch (5 replies)
  207. Mini Cat O2 Spacers Bad? Well Maybe... (8 replies)
  208. BM3 STAGE 2h (12 replies)
  209. Reinforced OEM charge pipe as good as aftermarket? (8 replies)
  210. Borla ATAK without DP vs Borla ATAK w/DP question (12 replies)
  211. E30 map questions (3 replies)
  212. Dinan/BM3 install (7 replies)
  213. If I want my 335i to be a little louder, but not have drone on the highway, what's th (19 replies)
  214. Valve Cover - BMW vs Other (4 replies)
  215. Which one is louder? (12 replies)
  216. 435i Used BootMod3 (3 replies)
  217. DAW turbo upgrade (8 replies)
  218. 2015 F30 328i Drivetrain Malfunction (13 replies)
  219. Pros and Cons (BM3 vs MHD) (13 replies)
  220. Lambda error code (8 replies)
  221. Mhd pwg ps2 map (16 replies)
  222. MHD stage 1 short term review (9 replies)
  223. How To -- A detailed guide to recording, reading, and understanding datalogs (70 replies)
  224. What's the difference between EKPM3 part numbers? (1 replies)
  225. *** MHD F+G-Series V2.20 - FLASH COUNTER RESET + Full E85 PWG Maps *** (5 replies)
  226. GFB DV+ or TURBOSMART (7 replies)
  227. 2015 435i with xhp transmissions noise (20 replies)
  228. Bootmod3 Canada gas (63 replies)
  229. MHD E30 Stage 2+ too much for my HPFP? (2 replies)
  230. installed boost solenoid today and took some logs (8 replies)
  231. Rattling sound at low RPM (17 replies)
  232. Engine Oil Level Not Updating (19 replies)
  233. bootmod3: Direct ENET cable support for iOS/Android (BETA) (32 replies)
  234. How much drone with Fabspeed exhaust? (13 replies)
  235. Plossibility(dumb question) (4 replies)
  236. Extra boost from tune causes vibrations at low rpm? (11 replies)
  237. Help with understanding a log (11 replies)
  238. Is it ok to unplug JB4 to plug in THOR wifi and do update? (9 replies)
  239. Super Frustrated: N55 Boost Leaks (30 replies)
  240. '14 435i Blackstone Oil Analysis (10 replies)
  241. Bottom of plug broke off and stuck into plug (2 replies)
  242. Plugs, Coils or Injectors ? (38 replies)
  243. Fueling Upgrades (8 replies)
  244. Very Odd Misfire (13 replies)
  245. AWE Exhaust Review (65 replies)
  246. N55 combo deal on X-PH, opinions? (19 replies)
  247. Car wont engage in Sport/Sport+ (10 replies)
  248. 435i with MPE (considering a muffler delete) (2 replies)
  249. PS2 Upgrade - N55 (35 replies)
  250. N55 Vrsf downpipe clamps 2014 (5 replies)