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View Full Version : N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i

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  1. NA (6 replies)
  2. Finally! MHD integrated oil pressure sensor kit (2 replies)
  3. NA (0 replies)
  4. Which fuel pump for E85 - stock turbos (27 replies)
  5. Vader Solutions Crank Seal Protection plate (5 replies)
  6. Downpipe Fix (2 replies)
  7. N54 air leak when turning car off (13 replies)
  8. N54 Exhaust Note not deep or loud (25 replies)
  9. N53 Fault Code 2D58 - Only when cold. (1 replies)
  10. Puddle of water in my battery compartment!!! (2 replies)
  11. HELP Diagnosing Engine Fluttering Sound (2 replies)
  12. Bank 2 is going crazy (0 replies)
  13. Problems with the E90 :/ (2 replies)
  14. No boost on my n54 335i (3 replies)
  15. STFT issue when allow accel + timing (22 replies)
  16. 29F3 LPFP Sensor, electrical + additional fuel related codes (3 replies)
  17. Ebay Aluminum Valve Cover? (10 replies)
  18. n54 Engine out refresh (3 replies)
  19. Need help with tial BOV springs. (4 replies)
  20. MHD banging when lift off throttle (4 replies)
  21. Bought N54, engine starts, stalls in 10 sec, no check engine light, (Solved) (5 replies)
  22. Orginal clutch at 165k & 600hp (2 replies)
  23. Build Thread: N54 6MT to ActiveHybrid 8P70H Swap (66 replies)
  24. Car dies once on warm start (11 replies)
  25. What sensor is this one and where? (6 replies)
  26. MOSFET testing (3 replies)
  27. N54 Rod knock? (5 replies)
  28. 08 335xi Auto Front Axles (1 replies)
  29. Exhuast heat wrap in Boston? (3 replies)
  30. G-Plus Oil Cooler (5 replies)
  31. How important is this? (3 replies)
  32. Found part on the rear wastegate (3 replies)
  33. Turbo Upgrade compatible with MHD OTS (No custom tunes) (24 replies)
  34. NA (8 replies)
  35. Persistent coolant leak (3 replies)
  36. 335i no crank at all (16 replies)
  37. NA (0 replies)
  38. Intercooler pipe fitment issues (3 replies)
  39. dreaded 2d2e on cold startups (2 replies)
  40. Bolt that holds turbo compressor on broke (N54) (0 replies)
  41. Mystifying N54 problem (MHD tune) (6 replies)
  42. Full Bolt on Hesitation under WOT (1 replies)
  43. N54 knocking sound! Have tried everything I can think of! (11 replies)
  44. Launch log, bank 1 afr spike? (0 replies)
  45. I have this terrible whine (and boost leak) (0 replies)
  46. Drag racing and car died and trans (12 replies)
  47. So I dumped F30&G20 and get a E90 (4 replies)
  48. Single Turbo Overboosting (0 replies)
  49. Thicker oil in n54?? (21 replies)
  50. Weird Synapse BOV behaviour (5 replies)
  51. Welded rear diff 08 335xi 6m/t (0 replies)
  52. Torque limit? (5 replies)
  53. Another Smoke Thread (2 replies)
  54. Possible sand/debris in oil pan remedy (3 replies)
  55. How much taper before boring needed? (N54) (1 replies)
  56. N54 Underboost / Log question (4 replies)
  57. Magsafe Phone Mounts (3 replies)
  58. BOVs, DVs and manifold/CP pressure difference (1 replies)
  59. 700+ HP n54 (1 replies)
  60. N54 Engine Specs (2 replies)
  61. Stg3 335i with catalysts, possible? (3 replies)
  62. 335 rabbit hole (14 replies)
  63. Exhaust Smoke During Idle (3 replies)
  64. Meth, e85, or PI for high power? (1 replies)
  65. LPFP Stage 2 DIY: bucketed or bucketless? (4 replies)
  66. Coolant hoses hard, problem? (3 replies)
  67. Midpipes leaking after downpipes need help (12 replies)
  68. Pure 600 or pure stage 1? (1 replies)
  69. Help! Car wont idle after resetting adaptations (2 replies)
  70. PEGGED STFT after switching from e50 back to 93 (26 replies)
  71. Aftermarket Oil Cooler (1 replies)
  72. Help fbo 09 335xi (3 replies)
  73. Single turbo kit installed now having crazy misfire issue. (Lots of info inside) (1 replies)
  74. Turbo oil leak? (0 replies)
  75. Meth Spray troubleshooting help (1 replies)
  76. FBO N54s vs Scatpacks? (8 replies)
  77. Index 12 Injectors Leaking? - N54 (26 replies)
  78. BMW injecters cleaning service (32 replies)
  79. Question about emissions test with modded N54 (4 replies)
  80. U119F fault code (4 replies)
  81. N54 slow to boost - where to start? (3 replies)
  82. Need Help with CBC install!! (6 replies)
  83. Engine seize after OFHG n54 (0 replies)
  84. Is my HPFP going out? (19 replies)
  85. SOLVED: Collapsed Inlets? No, they were the boost solenoids! (21 replies)
  86. Easy--er front turbo vac line install 335 (2 replies)
  87. Starter solenoid heat soak (11 replies)
  88. Vacuum Pump Cover Torque Spec (1 replies)
  89. N54 Vtt valve cover gasket is a nightmare (18 replies)
  90. O2 errors i29F4 29F5 2C6A 2C7F (2 replies)
  91. Idle and Limp Mode Gremlins Success Story (30CF/3100/2AAF) (0 replies)
  92. Scratches inside OFH (11 replies)
  93. Mixture control while using 93 and new spark plugs (13 replies)
  94. For anyone having issues with new inlets and your BOV sounding sh!tty/surging noises. (26 replies)
  95. Opinoins on Turbo Replacement (34 replies)
  96. N54 Noise Coming Off Accelerator Quickly Under Boost (6 replies)
  97. Would it be possible to marry an N54 onto an e46 xi awd system? (2 replies)
  98. Very rough idle log, what's wrong? (6 replies)
  99. Which gen JB4 do I have? (0 replies)
  100. QUESTION about mhd logging......?? (1 replies)
  101. 2013 335is keeps jumping timing after (1 replies)
  102. Possible solution For the dreaded 2D2E (9 replies)
  103. N54 OFHG Replacement - Motor Seized (3 replies)
  104. Vrsf inlets n54 (7 replies)
  105. OBD2 sensor shows no memory of oxygen sensors (7 replies)
  106. oil cooler lines??? (2 replies)
  107. Mixture codes low rpm acceleration (2 replies)
  108. Anyone know what this part is? (2 replies)
  109. 335is Stock Throttle to Linear Throttle (3 replies)
  110. Torque Specs for N54 Support Bracket Bolts (4 replies)
  111. Pure600 N54 Install (6 replies)
  112. Can ledge issues n54 swap into e36 (6 replies)
  113. Solved: Help me figure out my very Slow Spool (22 replies)
  114. Coolant level low every 2 weeks, but no actual leak (9 replies)
  115. Misfire on Cylinder 4 (Impossible to solve I swear) (10 replies)
  116. Pure Turbo Question (1 replies)
  117. 2A1A - DME:Tank-venting system, function (0 replies)
  118. Car won't start after oil change (4 replies)
  119. New tune for track day? (1 replies)
  120. Which exhaust do these cars actually have stock (2 replies)
  121. CEL after switching gas (3 replies)
  122. AFR oscillation causing stft oscillation (17 replies)
  123. Blowing smoke since catless and MHD (7 replies)
  124. Upgrading to Pure600s, What's Needed? (16 replies)
  125. Oil leak from sensor? (1 replies)
  126. 2008 E90 - N54 29E0 runs bad at idle (1 replies)
  127. Mixture codes (3 replies)
  128. E90 335i Transfer case help (0 replies)
  129. Anyone having issues with the new MHD version? (1 replies)
  130. 6AT (ZF6HP21) vs 7DCT (GS7D36SG) (10 replies)
  131. N54 suffers from warm starts (12 replies)
  132. N54 35i mixture controls both banks lean (7 replies)
  133. High STFTs (2 replies)
  134. Car won't turn over (2 replies)
  135. Mhd not even near target boost (33 replies)
  136. VRSF Downpipe Install (3 replies)
  137. 2009 E92 335i 6MT diff rebuild? (7 replies)
  138. Very Lean AFR's at WOT (3 replies)
  139. MHD Stage 2+/2 throwing 30FF codes (3 replies)
  140. What is needed to put a rwd transmission in 335xi (10 replies)
  141. 29F1 29E1 codes. Car running rough - Limp mode (0 replies)
  142. WTB: N54 DP Fix/o2 Simulator (0 replies)
  143. Tips for getting a good 60ft time? (36 replies)
  144. No boost?? (2 replies)
  145. MHD Custom map (0 replies)
  146. Low Boost / Loud Whining Sound / sounds supercharged (36 replies)
  147. Choosing a Turbo for a high mileage dying E90 (4 replies)
  148. Dyno day: issues again?? What's going on with this graph? (35 replies)
  149. 2007 320i engine swap (0 replies)
  150. 08' 335i rough idle issues (0 replies)
  151. Mixture control Lean 29E0 29E1 (26 replies)
  152. Injector Change - New Misfires (12 replies)
  153. N54 HPFP Rebuild Kit (8 replies)
  154. Relocated inlets (5 replies)
  155. No boost after voltage regulator was replaced (0 replies)
  156. Pe mod shop (1 replies)
  157. Need help identifying black box spliced into ecu. (11 replies)
  158. N52 Swap to N54/N55 (8 replies)
  159. Intermittent Jerk/Misfire Datalog avaliable (0 replies)
  160. Causes for crankcase pressure (25 replies)
  161. 335i performance Exhuast clamp size? (4 replies)
  162. low boost after 5500 RPM (31 replies)
  163. NV emission readiness for catless 390 335xi (1 replies)
  164. E90 335i Catless NY Emissions (18 replies)
  165. 2A9F code and 3100 code PLEASE HELP (1 replies)
  166. Overboosting after VRSF Catless DP install, and New Stock Mitsubishi Turbo install (7 replies)
  167. Misfire at Idle, None under power (5 replies)
  168. N55 vs N54 expansion tank size (0 replies)
  169. Best way to order/buy a single turbo kit in Canada (9 replies)
  170. Oil Leak (13 replies)
  171. Advice on Aftermarket Mufflers (14 replies)
  172. Vargas turbos wastegate flap broken (1 replies)
  173. E93 335i no boost p0237 (0 replies)
  174. E92 Starter Won't Fully Activate (0 replies)
  175. is this gas+meth fueling setup approach any good? (3 replies)
  176. Single turbo tick and scrape noise ? (6 replies)
  177. 2007 E92 335i - White smoke out of intake (2 replies)
  178. While the intakes are off for blasting (5 replies)
  179. Are E90 & E92 Differentials Interchangeable? (9 replies)
  180. boost leak or something else? (0 replies)
  181. 335i ZF Trans Not Detected by DME. CD99 CD9E CD9D 2E7F CDB0 D357 codes (1 replies)
  182. How would you go ethanol in 2022? (2 replies)
  183. E92 335i Arma Speed Carbon Fiber Cold Air Intake (7 replies)
  184. DME locked? ISO some assistance (8 replies)
  185. Rough idle after turbo install, 2AAF, 2D2E (6 replies)
  186. Fuel It PI kit issue (9 replies)
  187. No boost and loud vacuum cleaner noises (1 replies)
  188. No boost until I turn car off and on (6 replies)
  189. 2C3D and 2CAA - bank 1 AFR 26 and stft stuck at 0 - replaced O2 sensor didn't fix (11 replies)
  190. Q: Port Injection injector size (42mm or 48mm) (0 replies)
  191. FBO MHD Stage 2+ verses custom tune (7 replies)
  192. N54 missfire and different faulty codes (4 replies)
  193. 2007 BMW 335i E93 N54 6 speed manual (0 replies)
  194. Unknown part (2 replies)
  195. N54 dual 450 lpfp issues (7 replies)
  196. 19t turbos 335i goal 400/450 whp (15 replies)
  197. Quiet muffler (14 replies)
  198. Spun Rod Bearing (51 replies)
  199. Fuel Mode 22 and Rail Pressure Spike at Idle (2 replies)
  200. Managed to break the plastic connector of the vacuum hose to vacuum canister (3 replies)
  201. Turbo Solenoid Connectors and Limp Mode (4 replies)
  202. Exhaust question + smog (2 replies)
  203. 2007 E90 Index 12 Fuel Injector Failure? (46 replies)
  204. Vacuum leaking tracking, diverter valve hose leak? (6 replies)
  205. Siren/Whine noise I cannot figure out. (2 replies)
  206. Need help with this sound I can't figure out. (2 replies)
  207. Did speed tech go out of business? (6 replies)
  208. log looks very off (seems like multiple problems.) (15 replies)
  209. Valve cover replacement (1 replies)
  210. Misfire issue (2 replies)
  211. Smoking Issue (22 replies)
  212. Replacing valve cover + injectors what else? (3 replies)
  213. N54 30FF (2 replies)
  214. 30FF and then some (1 replies)
  215. Thick white smoke at low RPM (1 replies)
  216. Down shift throttle blips with MHD / xHP (2 replies)
  217. Fitment Concern - Coolant Expansion Tank Relocation and BMS Chargepipe w/ Tail BOV (5 replies)
  218. Help. Misfires. Car barely drivable. (1 replies)
  219. Rough Idle after parts installed LOG (8 replies)
  220. N54 shakes at low rpms in first gear (6 replies)
  221. water injection (1 replies)
  222. Intake manifold suggestions (0 replies)
  223. New member here... MHD question (4 replies)
  224. N54 "high" fuel pressure (1 replies)
  225. Rough Crank and cutout at wot (0 replies)
  226. electronic malfunction under acceleration (2 replies)
  227. VTT “GC” N54 to B58 Coil Conversion Kit Now Available ***NEW PRODUCT*** (1 replies)
  228. Perpetually logging with MHD (4 replies)
  229. Car jerking on acceleration (7 replies)
  230. Maryland Inspections (10 replies)
  231. Hole on back on cylinder head? (2 replies)
  232. Burble tune setting question, MHD stage 2+ (6 replies)
  233. What do you think of this chain play? (1 replies)
  234. Logs - why is my car having massive timing corrections with E85? (10 replies)
  235. Need help identifying issue (SEE VIDEO) (1 replies)
  236. Cheap exhaust welder near Hudson county in NJ? (1 replies)
  237. What could've caused destroyed downpipe cats and turbos? (7 replies)
  238. 335 Acts weird in heavy rain only?? (5 replies)
  239. Built motor: Fueling and knock issues resolved (14 replies)
  240. N54 21psi flatline boost issue, DME limitation? (3 replies)
  241. Change Clutch Engagement Point -x clutch (1 replies)
  242. Wastegate rattle after new turbos installed (42 replies)
  243. Infuriating Throttle Delay (MHD) (21 replies)
  244. Karma ? BimmerB???st down forever? (2 replies)
  245. E92 misfire (13 replies)
  246. Best power for country roads and replace stock injectors? (25 replies)
  247. So does anyone else get 10mpg on city driving? (26 replies)
  248. Bucket Bracket for Dual Pumps (2 replies)
  249. Timing corrections on low boost (24 replies)
  250. Part Number for Vacuum Line on Throttle Body? (2 replies)