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


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  1. Propulsive Dynamics - Group Buy - 6AT 6HP21/19 Upgrade
  2. Any vendors have spec 3+ in stock
  3. Codes after dp fix install
  4. best mods for 335is?
  5. 711 whp/644 wtq! Mmp Turbos!
  6. Upgrading Turbos, need tuning option advice (currently on Cobb PTF)
  7. will new DP throw codes?
  8. Manzo/Beluga/Circuit Werks Exhaust
  9. Does everyone have this?
  10. MHD targeting low boost?
  11. Lightly Modded N54 MHD Stage 1 Dyno and Datalogs
  12. Greyhound shipping for exhaust
  13. [MHD Stg 1+] Intermittent Misfires at WOT, Jerky Cold Behavior
  14. Walnut Blasting Help
  15. Anyone used this guibo?
  16. Weird hesitation with no codes
  17. HPFP,How Long To Replace?
  18. intercooler, for FBO stock turbos 7" or 5"
  19. White smoke
  20. VRSF DP Fix Questions.
  21. End of Warranty Advice
  22. When is it going to stop?!
  23. BKC Motorsport Intake Manifold
  24. 2008 335xi performance exhaust mod materials?
  25. Need your help
  26. VTT Single Barrel Shotgun HPFP reliability???
  27. Turbo siren noises. Back to stock tune - log attached
  28. Aquamist HFS3 water/meth install help needed
  29. Replacement mounting hardware for FMIC?
  30. Low heat in the coupe
  31. VTT Turbo Basics: WGDC and what it means
  32. A few issues have me concerned...
  33. Evap system incomplete
  34. Any info on Agency Power Stainless Steel Dual Tip Catback?
  35. Odd smoking issue. cant find anything in searches with same symptoms
  36. Spec 3+ clutch engagement
  37. No Boost after Fuel Injector Change Out
  38. High miles and high horsepower?
  39. Raising my car up need mesurement
  40. Dinan vs Stock Turbo
  41. Purchasing a jb4 need some pointers...
  42. **PSA** Check this ASAP if you haven't already!
  43. Ethanol analyzer for MHD users?
  44. N54 Headgasket Starting to Leak?
  45. T-testing no ready
  46. On3 Performance Manifold
  47. E85 Cold start fixed
  48. On 3 turbo kit with PTE
  49. Increased fule consumption. What to log for?
  50. How do I set the 2 step on my JB4??
  51. Lambda codes after hard start?
  52. DMFW wear / play questions - video
  53. 2-Step Relay Question
  54. Fluctuations with new stage 2 turbo's
  55. VANOS Solenoid Help
  56. N54 JB4 install issues PLEASE HELP
  57. VRSF 7.5" RACE CORE FMIC installed in my 135i
  58. Rear o2 sensor pre-cat access
  59. High Idle at Start-Up with S/T
  60. What's this hose and should it be disconnected?
  61. Help! Jb4 gauge cluster is messed up going up 1.5k,3k, 4.5k,6k etc
  62. JB4 lean autoswitch from Map 5 to Map 4
  63. PR Stage 3 Modular Fuel Pump Kit?
  64. Rod bearing change?
  65. diff lockdown kit
  66. ProTuner recommendations?
  67. Half engine light with 2ABD code
  68. What mod next??!
  69. Do I need the new fender liner when retrofitting an oil cooler to my 07
  70. Manual Transmission Fluid Change - Recommended Miles/Intervals
  71. Low boost target and not hitting boost target.
  72. Rev 9 intercooler
  73. VTT Ball Bearing Teaser
  74. oil in plugs
  75. True FBO Expected WHP?
  76. MHD & Aplina B3 Tranny Flash
  77. Weird vibration when first pulling away
  78. high flow inlet pipe
  79. Leak near oil cap
  80. Help With Diverter Valve Line!!
  81. BOV, MHD, JB4, LOG's, Help and Questions
  82. VTT Xmas Giveaway
  83. Can't DOWNshift in DS mode!
  84. Anyone used Chinese DP's?
  85. Downpipes smell?
  86. OK to Clean N54 Carboned up Spark Plugs?
  87. BOV not holding boost all the way through gear
  88. e85 questions
  89. Should I put back OEM downpipes to reduce sound?
  90. Anyone running a WOTbox?
  91. Review of my FBO 135i
  92. Help pls, FBO E92 335is throwing code H30F1 on Cobb Accessport
  93. Downpipe Question
  94. Charge pipe leaking
  95. (PLEASE HELP N54 FOLKS) Best year of N54?
  96. e85 and winter weather do not mix
  97. SMF Upgrade Question /// (Spec) Stage 2+ Stage 3 or Stage 3+
  98. 335xi mounts
  99. FBO Tune Suggestions
  100. FBO + inlets tune
  101. I switched out of map 8 to map 5. Tune looks to be stuck in map 8 mode. Car wont boos
  102. Jb4 is causing me problems
  103. xHP Flashtool - ZF 6HP21 TCU Tuning
  104. Review: 034 Motorsports Engine Mounts
  105. Ina and Continental brand belt/tensioner/idler
  106. Cobb charge pipe w/ only 1 bolt in 3.5 bar TMAP sensor?
  107. e90 335 LCI Injector Question
  108. Axle backs
  109. Need help
  110. Wow!...Walnut Blast and Results
  111. Help needed for TPMS delete
  112. Oil Temp Question
  113. Zero boost, no codes, no smoke... wtf!?
  114. Vpg Does 777 Whp Di Only!!!
  115. Downpipes and emissions
  116. Not enough Air flow after BMS Dual Cone install 335i
  117. Mishimoto Dual Oil Catch Can Mount
  118. PCV valve cap o ring
  119. engine vibration at idle
  120. Hiccups when starting cold and sometimes when warm
  121. Fuel ventilation valve question
  122. Why do none of the SMFW have timing holes
  123. No boost (1 PSI)
  124. Spark Plug Extenders on Secondary O2 Sensors?
  125. PT6266 vs stock turbo
  126. Crazy wtf is this noise
  127. RB Stock Side Inlets?
  128. Misfire Codes This Morning - Help!
  129. Procede Tune vs. JB4, Cobb, ETC.
  130. VTT at AZ NFZ Dec 17th results
  131. 30FF map 1
  132. Battery Drain - Video of Parasitic Drain Test Multimeter in post
  133. jb4 speed limit delete
  134. Ticking noise when idleing
  135. From 15psi to 19psi, what does it take?
  136. Pure Turbo custom 62mm 700whp
  137. VRSF DCI
  138. fucked up somewhere in sparkplug "replacement", smells like burning oil
  139. Need help any one in ohio
  140. Jb4 Interface issues
  141. Looking for fueling advice after Pure Stg 2 turbo upgrade
  142. how to run e85
  143. JB4 duty bias + AFR bias = poor mpg?
  144. Mhd e25 7.1 reviews
  145. Burning too much oil
  146. Misfire cold start / idle. Please help!!
  147. Short Shift Kit
  148. Bad dme (fixed mosfits) now no start
  149. Stock side or hot side inlet gains?
  150. Cold start "crack!" each morning, limits rpms
  151. rear o2 sensors
  152. CSF Radiator and Oil Cooler Installed
  153. Using 100% e85 - What's needed?
  154. Issue with rear tires not lasting long enough!
  155. Clutch replacement
  156. MHD Flash Q's: backup stock DME & boost taper
  157. ER FMIC Installation Notes with PICs for E90 Pre-LCI
  158. M4 DCT Flywheel in 335is
  159. N54 Walnut Blasting - South Florida
  160. Single turbo tuning help
  161. Running exposed FMIC a bad idea?
  162. N54 E92 335xi SINGLE electric exhaust cutout?
  163. Low Pressure Fuel Sensor Install (PICS)
  164. Cobb V3 = Lead Foot!
  165. I8A0S BBflash error 0x06 bad DAF/map section bad bin file HELP!!!!
  166. Single Turbo Jpworks
  167. Best spark plugs now that NGK 5992 is cancelled? MHD Stage 2+
  168. Oil cooler for 02/2007 E92?
  169. bought a crashed 335i won't start! Fuel cut off switch? Need help!
  170. 335is MHD e40 tune
  171. Completely Straight Pipe Exhaust
  172. What next after tune, DPs, DCI...?
  173. 2A2B & 29E0 codes at cold start up
  174. Mpg after inlets installed
  175. 2nd 1quart top up in 6 month
  176. VTT/NIZPRO TESTING Teaser
  177. Deleteeee
  178. how to rid rasp?
  179. Personal opinions of Stage 2+ Hybrid Fuel pump kit
  180. Jb4 NLTS only works sometimes...
  181. Completed On3 Single Kit Pics.
  182. What is the latest version of HPFP?
  183. e90 with stock resonator and PE or 335is muffler
  184. 335is Exhaust Rattle on Start Up
  185. 335is lost its growl
  186. 2017 VTT Update Thread
  187. ignore
  188. Tuning order of operations question
  189. Extended warranty + upgraded turbos
  190. Oil seeping from intercooler connector
  191. want new turbos / more power
  192. Please Delete
  193. OEM front turbo part number confusion
  194. Mhd/jb4/backend/piggyback? Confused
  195. 2007 335XI AWD Auto Tranny Swap Tips?
  196. Inlet install with Tune adjustment??
  197. DP Bolt size
  198. VRSF or AE exhaust?
  199. Hey was JW if the Chrome M Performance Exhaust Tip fit on the E90?
  200. noob MHd questions
  201. Performance between Cobb and MHD
  202. 335i rattleing, New turbos.
  203. PIECE OF METAL IN MY CYLINDER anyone know what this is??
  204. Dyno question inside.. Inertia, Eddie Current, etc...
  205. Half Engine after 4th gear pull
  206. Oil Leak & RPM fluxuation
  207. aluminum Inlets and pcv system
  208. One more JPWorkz kit delivered
  209. Dinan Stage 2 update on 2009 N54
  210. Backup ECU for JB4?
  211. Cobb Accessport questions
  212. How to pass emissions in California?
  213. Cobb V3 - Air Temp TB Readings: Faulty Sensor?
  214. exhaust butt joint, are clamps air tight?
  215. Fuel-It Ethanol Analyzer Installation
  216. Gas additive
  217. where to buy injectors
  218. What is this fault code? Cannot find any explanation on it...
  219. M3 Differential Swap
  220. Misfire Codes and Mixture Control Codes
  221. Stock e92, MHD, and e85
  222. Idle Hesitation after Cold Start upon Brake Press
  223. Spec 3+ Throwout bearing
  224. Synapse BOV Spring Question
  225. 08 135i: Persistent Cylinder 5 Misfire??
  226. Starter bolt removal
  227. Replaced N54 turbos on jackstands, done!
  228. Car Running Better After Disconnecting Battery?
  229. BW 8374 vs PT 6266 gen 2
  230. MFactory Bolt Recall
  231. Shout out to MFactory / 335is clutch / SMFW review
  232. Will a 2009 Transmission work in early production 2007 E90?? Want the Alpina Flash
  233. e90 335i wont start after going single turbo.
  234. Replacing Lower Radiator Hose
  235. Oil Filter Housing Gasket
  236. Cold Start Misfire/Roughness Issue
  237. JB4 Map
  238. Packing in 335i exhaust vs PE exhaust
  239. e85 ethanol flex fuel support for n54 Ecu from mhd
  240. *Updated* Redrkt503's DocRace Single Turbo 335is Build
  241. Valve body question
  242. Half Engine Light at Idle or Coasting (2f0c & 2d58)
  243. aFe Magnum Force Stage 2 Pro 5R Air Intake...risks?
  244. 6hp21 on a 09/06 e92 335i
  245. Cold Weather Tuning.
  246. DME version - I8A0S or IJE0S - How to tell?
  247. Successful engine build ??
  248. 335i 07 boost lag please help!!
  249. hexon turbo are leaking oil
  250. Thermostat Replacement