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


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  1. Spark Plug DIY Disaster (Beware of the Schwaben Socket) and rough idle
  2. Quick procede question
  3. SES light and couple codes, but no limp
  4. 9.07s 60-130mph? Maybe a new stock turbo record?
  5. Exhaust/Tailpipe question
  6. Clunky Clutch, Hard Shifts
  7. Is the Stage 2 bmw power kit worth it?? Additional Cooling that is??
  8. 2000 RPM Drone Thread
  9. People with completely CATLESS exhausts, PLEASE chime in.
  10. Help with Code 2EA1
  11. state only has 90 octane
  12. BMW N54 335i HPF CLUTCH INSTALLATION TECH VIDEO by HorsepowerFreaks
  13. vishnu check engine light
  14. modding CPO void powertrain warranty?
  15. Ignition Logs! Getting timing pulls?
  16. gps and din on ebay??
  17. JB3 core
  18. JB4 questions
  19. why SHOULDNT I buy the Cobb AP?
  20. Dammit! Screwed up my cai install
  21. why aren't there more NHTSA complaints for studdering?
  22. Akrapovic Evolution Full Stainless Steel Exhaust
  23. High mileage E90's Beware: Oil Pan Gasket Leak
  24. Possible to downgrade ecu software?
  25. I've been neutered. N54 Programming recall
  26. doin DP install as we speak need help..
  27. ESS DIRECT FLASH N54- Anyone?!
  28. HPF Stage 5 Dyno Tuning - LIVE FEED
  29. rr catted dp vs bmw sa
  30. Anyone running 10-18 aggressive maps?
  31. Retrofit Oil Cooler?
  32. Procede v5 Aggressive Map AFR: Fact and Fiction
  33. COBB day 1!!!
  34. Front turbo letting out alot more carbon black then passenger side?
  35. Running Jb4 Jb Cobb...
  36. Anyone ever get DME code 10903?
  37. Meth addiction and now Nitrous, I need help!
  38. ar design
  39. 335I Waste Gate rattle issue.
  40. REVIEW - Rixster (vent integrated) Boost Gauge (version 2 with CANbus)
  41. Is 14.7psi too much for bone stock? COBB, v301 Sport map
  42. Thursday night at the track
  43. MT xi launching with FBO/meth
  44. Review: CP-E Catless Downpipes
  45. 135i Dyno'ed!
  46. Custom oil cooler
  47. Procede 10/18 beta - Drag Results
  48. Replace Resonators with high flow cats Or Catted Downpipes
  49. Can I use Cobb Stage 1 - Sport on CA 91?
  50. Next mod, RB Turbos or Meth kit
  51. Need help, i fu@kd up
  52. ETS 5" FMIC Installed
  53. NEED HELP!
  54. Are built motors neccessary?
  55. dtc off
  56. First Stock Turbo 335i To Break Into The 8's, 60-130mph w/o N20
  57. Cobb AP "extra" features request thread
  58. If you leave the Cobb AP plugged in, does it turn off when car goes to sleep?
  59. Aftermarket Intake Poll
  60. What should I consider to doing first?
  61. PWM failsafe, fails safe!
  62. Dyno went bad? +video
  63. My rix boost gauge broke it just says 0.0 ideas?
  64. Cobb AP v301 maps - You using Stock or Linear for city driving?
  65. Second stock turbo, no nitrous car in the 8s 60-130...8.84
  66. Nexen tires?
  67. Help, I Need a part number!
  68. Bren Tuning - Anyone???
  69. Mount Forge IC without the silicone hoses, possible?
  70. Diverter Valves???
  71. Please help a newbie!....e92 m3 lsd fit 335i?
  72. Procede Rev3 2-Step Rev Limiter/No-Lift-Shift now available
  73. installing mods, all at once or one at a time?
  74. jb2 stage 1 and dci
  75. LSD install
  76. Any reason not to get the WW Meth kit?
  77. Painting FMIC???
  78. Need help tuning 335i
  79. jb3/dp fix question
  80. ECU cooling fan
  81. Do i have aftermarket downpipes?
  82. Help. Installed Cobb AP on my 2011 335is...now I cannot uninstall or change maps
  83. Cp-E downpipes fix X models?
  84. quick tpms question
  85. Anyone know of a supplier for the upgraded Mitsu wastegate and bushing?
  86. Has anyone raced a Nissan GTR?
  87. Simple cobb dyno question 91 octane.
  88. A Porschse GT3 and me!
  89. active autowerke ap2
  90. Vishnu Software
  91. So who sells rebuild kits for our 6hp21 AT tranny?
  92. Exhaust sound tunning
  93. Sound in exhaust
  94. What to log on Cobb?
  95. Procede in dash warning light :)
  96. Cobb stg 2+ Aggressive Virtual Dyno
  97. Dyno Testing Procede v5 Stg3... Proper!!
  98. Need Help Analyzing Cobb logs please
  99. Checking emissions readiness before going for inspection
  100. 7-11 Datalogs
  101. questions about mods and driveability
  102. Help With Codes P114b, P2c7e
  103. Adjustable suspension (dampers) for best 60ft with no wheel hop at the drag strip ?
  104. Blown Diff on 335....common?
  105. LSD
  106. Attending roll-on accelleration event - I'd like your input
  107. ETS FMIC 5" or 7"
  108. My car sounds like a diesel in neutral
  109. Wanted for fueling research: Your extra fuel injectors...
  110. hey new to the forum and need some advice about mods
  111. COBB Stg 0, 1 and 2+ Dyno
  112. out of warranty...should i tune my 335?
  113. Can Cobb get their own section?
  114. What tune do you have?
  115. Changing tips on BMW PE
  116. N63 turbos..... neat for N54?
  117. PROcede Rev3 Dyno + Data Logs
  118. Log AFR via bt cable?
  119. confused about some 1/4 miles times in the STICKY
  120. Golf Tee Mod
  121. NGK plugs??
  122. 09 charge pipe help
  123. Godspeed intercooler help
  124. STETT Dual DV Charge Pipe fitted with two HKS SSQV 4
  125. Procede 2-step, any new videos in action?
  126. Went to track again Vids on runs
  127. HPF exhaust question?
  128. JB4 upgrade question
  129. Left headlight not foliwing road and restraint malfunction
  130. Misfire 4k after new plugs 29D1 code - Sorted
  131. Injector TESTING and FLOW by HorsepowerFreaks using ID 2000cc Injectors
  132. Curious on restrictive exhaust flows
  133. Need Injector Help
  134. DME codes
  135. Cyba air intake scoops installed..
  136. Review: Eurocharged Performance - N54 ECU Tune (Stage 1) --> BMW 335i (N54)
  137. Secondary Cats Question for the Experts
  138. Vishnu Software + Windows 8 Tablet
  139. pwm charge pipe install question
  140. Famoso 335i Trap Speed Record.
  141. Dynojet Runs - Need Help
  142. Switched from JB3 to JB4 and getting misfires now
  143. 6AT looking to go full catless - Hopefully I won't get flamed for this
  144. cant get WW kit to prime per the instructions
  145. JB4 and Meth install done, and inital thoughts
  146. The OEM Downpipes and OEM midpipes/secondary cats curiosity
  147. HELP!!!
  148. First Dyno with Cobb Tune - Now with graphs
  149. Found OE Bosch Plugs for $72 Shipped Per Set
  150. Cp-e Fmic Size Mistake !!!!
  151. Exhaust Questions...
  152. Another one bites the dust...
  153. dsc problem help..
  154. one last issue with pwm
  155. A question on a new future on Procede 5.3 User software
  156. CO2 Intercooler spray?
  157. Power kits?
  158. Dyno Results - FBO + Rev3v5 + PWM ... Map 0, 1, 4 comparison
  159. KKS F1 Sound Valvetronic Exhaust - Holy shit Batman
  160. Intercooler cooler
  161. PWM and stett charge pipe?
  162. Upgraded Turbo Availability?
  163. Question in Regards to BMW Performance Exhaust
  164. 335i N54: Fully catless with stock mufflers
  165. Bit by the misfire bug!
  166. Giubo and Center Support Bearing
  167. FBO 335 vs FBO B8 S4
  168. Dyno results - SBO with JB4 and 93/E85 mix...map 0, 2, 7 comparison
  169. 6MT FBO Procede/PWM meth cars needed in SF
  170. Greddy N54 Twin or Single Turbo Kits ?
  171. Pouring Meth in Gas Tank...
  172. any fbo+meth 335is DCT ?
  173. Procede settings
  174. Burning Oil after Jb4 - Need Help
  175. Latest DME Software
  176. JB4 Queries
  177. Last Test And Tune This Weekend At Famoso
  178. COBB AP Traps 126+ and 7.59sec 60-130mph, 6.53sec 100-200kp
  179. Fuel System Limitations
  180. Carbon build up
  181. Anyone Installed a meth bung on AA charge pipe?
  182. turbo question
  183. ticking sound?
  184. help: Procede Rev3 harness connection with pwn meth kit
  185. 122+mph traps with 6at FBO+Procede Stg3 Aggressive Map
  186. First logs jb4+ meth. Your feedback is wanted:)
  187. 335is mods
  188. Best way to attach 2.5" exhaust to OEM 60mm muffler piping?
  189. dyno ct awd jb4 experience?
  190. Rev3 Installed, Datalog and impressions!
  191. Using only the mufflers from the AA exhaust? Thoughts
  192. Procede V5 11-01 Aggressive maps now available
  193. E90 plm Downpipes and resonator delete to a stock muffler w/ video
  194. Replaced clutch with Clutch Master's set up.
  195. How many using the CPS module with JB4?
  196. please help my car !
  197. COBB Stage 2 and DINAN cold air intake
  198. yet another HPFP part number?
  199. 124+ MPH 1/4 Mile Log
  200. UMMM WTF
  201. Installing 3" AR Downpipe to stock exhaust
  202. Need help wiring Active meth kit... DME ignition tap?
  203. Cobb Questions
  204. Datalogs- aggressive maps
  205. Procede settings: Catless DP's, Exhaust, Intake, 6MT.. Can you guys help me out?
  206. Car catches fire.
  207. Macht Schnell DP's
  208. Weird battery codes?
  209. JB4 map 2 dci
  210. Fuel pump issue. Not sure if low or high pressure if it's a pump issue at all.
  211. WW Meth
  212. JB4 Reset to Default HELP !!
  213. Firmware Updated, Agressive Maps Installed, No more Map 4
  214. Is it good practice to....
  215. 24-7maps Autotunning effectiveness?
  216. Some more meth logs...chime in!
  217. Another labonde crapped out.
  218. Has Anyone Touched 400 Whp Or More with a jb4 map 2 On 93 Oct Pump???
  219. 2-step rev limiter video from outside
  220. M.o.t.h.e.r F.u.c.k.i.n.g F.u.c.k.e.r.s!!!!
  221. Bigger Twin Turbo Upgrade???
  222. WTF? Oh noo, 32K miles and my engine seems to have blown
  223. Exhaust flap can cause misfires - proven
  224. Is 40K miles too late to fit an oil catch can?
  225. Anyone heard of these DPs before?
  226. Vishnu PWM Meth kit wire question
  227. What's the BFD about downpipes and warranty?
  228. Catless Downpipes with Stock Catback - how loud?
  229. help loosing boost!!
  230. M3 exhaust systems on n54 335
  231. Stock Sucks !
  232. Slight rattle in Procede V5 Rev 3
  233. What the best clutch I can buy for the money?
  234. loudest/deepest/best quad exhaust for n54 335i?
  235. Vacuum Leek
  236. Finally got some JB4 track times in... Made Top Qualifier!
  237. does anyone know what this symbol means???
  238. Famoso Raceway Vs Vbox Readings.
  239. check control loss of engine power
  240. Cobb datalog : Sport map. looking for comments
  241. how do i know if i have rev2, rev2.5 or rev3 procede?
  242. 335is oil temp? Too hot!!!
  243. Vishnu PWM Trouble Shooting
  244. jb4..code.??
  245. Exhauts tips
  246. Help please: Humming/whining noise from engine bay
  247. Rough Idle, Engine Fault, Downpipe Error Codes.. 29F4 - 29F5
  248. Fitment Question: E90 and E92 Exhaust
  249. ACT Standard Clutch / HD Pressure Plate review. OEM Flywheel disintegrated.
  250. Oil Cooler from 535 on 335?