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


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  1. Mixture Control Codes - 93 Octane But not E50
  2. Signs turbo need work?
  3. VRSF 7in HD vs Street FMIC...HD worth the upgrade?
  4. JB4 Worth It for PI Safety?
  5. Logs
  6. Auto trans limo mode 5th to 4th
  7. Need help with part number
  8. need guidance on engine malfunction
  9. Dinan FMIC review
  10. Best Price for BMW Performance Exhaust (2010 335i Coupe)
  11. Helical LSD/bushings/mounts installed
  12. Mysterious DME Shadow Code 30EF (no, not the high boost one)
  13. Pure stage 1 turbos going in
  14. BMS meth CM10 nozzle problem???
  15. Running WI without Meth
  16. New front driveshaft, new problems ....
  17. JPWorkz on ebay?
  18. N54 Buyers Guide!
  19. Good Vendor TGS
  20. Injector Code Help
  21. Studdering catless 335i
  22. Crankcase vent hose
  23. Shoutout to Rob@rbturbo
  24. Help 2c2d & 2c2e codes
  25. RB next gen plus review / pics
  26. Stumbling/Rough Idle (otherwise pulls hard)
  27. MOTIV Single Turbo Manifold Knockoff??
  28. No more rock auto oem injectors?
  29. Limp Mode, SES, 29D1 on WOT (JB4) - troubleshooting advice needed
  30. MHD + DP's + DP Fix = what codes? | mystery misfire
  31. Looking for tune
  32. Key Not Recognized First Thing In A.M.
  33. Brake Booster line relocation DIY
  34. MHD users
  35. Any reviews for the MFactory Twin Disk Clutch?
  36. Which IC for Upgrade?
  37. Dyno Results after RWD Conversion + Video
  38. Is my hpfp doomed? Now with logs
  39. MMP Turbo Upgrade
  40. Flashed MHD w/ jb4 disabled
  41. Need some help.. Installed JB4 ecu connector without sliders and now there's issues
  42. Intake Charge-Air Duct warranty extension/reimbursement
  43. Vacuum Lines
  44. JB4 updated, now AFR lean
  45. Misfire Cyl 3
  46. Downpipes, charge pope BOV install recommendations???!!!
  47. Cam Ledge
  48. What Sound is This? (Video Inside)
  49. Lower Oil Temps With Different Oil
  50. AWD Oil Pan Gasket - NEED TIPS
  51. JB4 Berger tuning (Harness B) N55 for sale 2012 335i 535
  52. Went shopping!
  53. 29E0 and 2A2B, DME: Mixture Control. Log check? Bad precat o2s?
  54. N54 Harmonic Balancer Hub Sprocket Replacement
  55. My car doesn't seem to like any MHD Stage
  56. 2- STEP/ NLS for MHD Users
  57. Before replacing my turbos is there anything else i should look at?
  58. FMIC RX7 Silicone
  59. 335i spun bearing?
  60. HKS Recirculation
  61. Hows everyone's oil consumption?
  62. Leaning out?
  63. Super RB Evo dyno numbers?
  64. Bad turbos ?
  65. 29E1 and 2EF8 Codes
  66. Procede along with MHD due to meth?
  67. 1/4 mile run- limp home.
  68. Various error codes. 140k 335i n54 2007 HELP :-(
  69. BMS hybrid Flash jb4?
  70. Another thread on PCV VTA(vent to air)
  71. Custom exhaust, Downpipe to single 3.5/4" to 335is mufflers
  72. E85 with MHD and FuelIt STG 2
  73. N54 TMAP wiring info
  74. WEIRD noise near engine, turbo side - Help!
  75. Vrsf intercooler
  76. Help with fault code
  77. Turbo Boost Delay - Not typical lag
  78. DE-tuning a 335i
  79. 29F3 0psi
  80. 2A2B and 29E0 - horrible idle and driveablity but much better once warmed
  81. Slipped drive belt catastrophic damage!
  82. JB4 Firmware Won't Update Firmware, Must Send In to BMS to be flashed?
  83. Where are all the built motors?
  84. After market exhaust removal
  85. Story Time FYI with DP Fix
  86. Anyone recently buy tail+chargepipe?
  87. Boost Leak? Faulty Boost Solenoid? 30FF Code
  88. xHP and Torque Converter Lockup
  89. N54 Single 3.5" Bmr Exhaust
  90. Turbo Warranty Replacement - How demodded do I need to be?
  91. JB4 tune or Custom tune for Port Injection
  92. PROcede, PROcede/MHD, MHD, JB4/MHD or just JB4?
  93. A/C not blowing
  94. ER Chargepipe with Forge DVs
  95. Jb4/MHD single turbo ?
  96. Car needs refresh; what needs to be done?
  97. 335 XI UOA - Redline 5w30 versus Total 5w30
  98. Head Gasket/Resurfaced Head - Still Leaking Coolant
  99. AD Engineering Review
  100. Stock e92 335i exhaust raspy
  101. Coffee!
  102. Flutter/Squelch after turbos inlets installed?
  103. O-Ring Part Number Between Bed Plate
  104. Vrsf Continued........
  105. JB4/MHD
  106. Need some opinions!
  107. DV o-rings replaceable?
  108. Stock Tune Performance - Still Enjoyable
  109. Rear turbo WG adjust now no boost help please
  110. DME Issue?
  111. What order for these mods?
  112. Does everyone have wastegate rattle by now?
  113. Who's using stock DVs
  114. Overheating issues
  115. (LONG) N54 - DME Codes 30A3,30A4,30A5 (DTC-P2310,P2313,P2316)
  116. 100 octane on upgraded turbos
  117. DCT remap/reflash?
  118. Driveshaft Clunking in 1st gear.
  119. Is it possible to supercharge a n54?
  120. Slight Metallic rattle on startup?
  121. Wastegate rattle
  122. Tuner pros - Opinion of my first log pull (2nd to 3rd gear)
  123. DYNOS: How to read the numbers, understand them and compare it to others - MUST SEE!
  124. Propulsive dynamics transmission updates
  125. No power to water pump - HELP!
  126. 335i 2A15 Fine leakage detected
  127. Are DCI a waste of money?
  128. VRSF 7" IC
  129. ebay knockoff BOV tial
  130. JB4 3rd gear max boost
  131. Black smoke under wide open throttle
  132. Need a front driveshaft where should I buy?
  133. JB4 settings for meth?
  134. Mods please delete!
  135. Any tips on replacing this coolant hose?
  136. Combustion Missfire Help
  137. Finally cleaned my Valves.. car feels new again!
  138. Crank Hub Info
  139. Do these Data Logs look weird?
  140. Teaser pics of the NEW WAGNER EVO III Intercooler
  141. top mount big turbo for xdrive
  142. Golf Tee Exhuast Mod Question
  143. Twisted the head off a bolt holding motor mount to subframe :(
  144. Help, replaced DTML
  145. 335i N54 Swap to 335is N54
  146. Need help! (videos) Weird sound identifications. loud, out of no where!
  147. Syvecs standalone pnp power train control released.
  148. Rough idle after spark plug change
  149. DV Question
  150. Compression Test Results
  151. Plz Help. low accel shudder then 2D2E with log
  152. JB4 BEF
  153. GCs Doin Work 60 to 130
  154. Noise from underneath the car
  155. Redesigned Cobb Charge Pipe
  156. jb4 issues, is this shit broken?
  157. Question on gasket's on manifold and PI
  158. Rough Idle, slight hesitation - Culprit?
  159. Blue painted stretch bolt with torx head
  160. Need guidance on Meth without JB4
  161. Aftermarket turbo reliablity
  162. mmp relocation inlets help
  163. N54 Direct Port Nitrous
  164. JB4 tuner question
  165. What are our options for transmission coolers these days?
  166. Single Turbo on a DCT
  167. Alternative for Motiv Boost Box
  168. quiestions about nipples and hoses's with tial BOV
  169. slipping but not sure where
  170. MMP stage 3 Vs "Stage 2" turbo Lag differences
  171. I Need Help!
  172. VTT Tech: How to CORRECTLY install a Spec Twin Disc in an N54
  173. E92 335xi Stuttering while Accelerating
  174. A couple of quick questions regarding upgrading and tuning with MHD...
  175. Boost Solenoid or something else?
  176. bms meth kit lines
  177. Ebay valve cover for ~$250?
  178. JB4 + MHD tune ?
  179. Humming vibration on shutdown
  180. FUEL It Stage 2 Bucketless Question
  181. Xhp: Error trying to purchase maps
  182. 2011 335is cooling fan - ISSUE RESOLVED!!
  183. Getting inlets soon need help!
  184. Arm Motorsports stepped intercooler problems?
  185. Need Help
  186. N54 N20 tmap sensor mess up
  187. 6mt wire diagram
  188. Misfire on low RPM's/cruising, fine under moderate+ load
  189. Datazap update - some downtime today as I move servers
  190. bms meth kit CM size - fbo/inlets/outlets
  191. N54 335i - Car won't start / Long crank
  192. Let's hear some dyno numbers!
  193. need feedback from people who have used both Jb4 and mhd
  194. Help Me Please
  195. oil filter housing question
  196. Half engine light Time sensitive!
  197. JB4 + MHD BEF via ***********
  198. Misfires, oil in spark plug wells (with pics)
  199. consistent cyl 6 misfire
  200. ADV O2 Sensor problem???
  201. LpFp install faill
  202. N54 Performance Power Kit Install Help
  203. Looking for a 335xi shell
  204. Help: White smoke / No boost
  205. Downpipe Fitment Issue
  206. Battery charger for MHD and general use?
  207. N54 sec cats w/pure turbo's
  208. Just want to say hello ,new 335d owner .
  209. Dreaded 30FF Code (flame suit on)
  210. CA Emissions testing - They are looking for pre cats
  211. Exhaust in Good Shape - Help
  212. Dyno
  213. Why you should run the JB4 + Flash instead of just the Flash
  214. 335i e40 mhd vs stage 2 rousch supercharged 5.0 2013
  215. Misfires in cylinder 3 and 1 and also lean bank 2 and 1
  216. What's this noise?
  217. VTT State of the Union/Update/Teaser
  218. Any upgrade turbo for sale ?
  219. 3.5bar Adapter problem
  220. How to get around JB4 Catless DP Code
  221. Some cic help???
  222. Rear Waste Gate Adjustment
  223. WOT cut out 5k limp mode
  224. Help with wastegate rattle
  225. 2CF6 code
  226. Designtek Valvetronic
  227. Power loss after changing vacuum hoses..possibly
  228. DP Fix Male Wire
  229. Selling my 335...should I leave MHD tune?
  230. Just installed ARM Motorsports Downpipes and Charge pipe. - Review
  231. N54 Rattles & Noises Diagnostics Thread
  232. Idles Terribly When Cold
  233. My BOV is obnoxiously loud.
  234. 2B3A P1449 codes
  235. N54 surging and multiple faults after adaptations reset
  236. N54 & N55 Mufflers the same?
  237. Intercooler Piping
  238. xHP help needed, lost backup files.
  239. Which JB4 is this?
  240. Car starts drives but no electrical power
  241. from inline walbro 255 to stage 2 pump, logs are bad now what to do next
  242. OEM oil cooler retrofit on e92 without it from factory
  243. Turbo chra swap?
  244. Buying a 2012 335is. What should I be looking out for with this model?
  245. Rough cold start idle
  246. Synapse bov issue
  247. Coils: PrecisionRaceworks VS Bimmerlife
  248. Make my car louder?
  249. Car stuttering in 6th at 2K after new plugs
  250. 2012 335is Intake Advise