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View Full Version : N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning


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  1. Breaking News for the N55
  2. Jb4 codes, are these normal codes or bad ones?
  3. Help Me With Iso Update
  4. Slower car after ER CP install
  5. jb4 USB routing to firewall glove box n55
  6. N55 jb4 update and now car is effed.
  7. FS: JB Stage 1
  8. HPFP failure in the making ??
  9. 19 to 20 psi map 5 ISO
  10. JB4 N55 stutter bet. 4-5K rpm in cold weather / warming up..
  11. Jb4 USB routing to glove department
  12. Looking to purchase stage 2 jb4 (n55)
  13. Cobb Stage 1 + Down Pipe
  14. Socal Riverside members? jb4 help!
  15. Misfire with Cobb?
  16. Cobb Logs
  17. For all of you with ISO issues
  18. New PPK software (dec12)
  19. N55 335i software update with jb4 installed
  20. Fault Codes
  21. Fans Coming On and Staying On....NO AC????
  22. Anyway I'm here having issues with their mufflers rusting?
  23. N55 Problems in the making?
  24. Cobb Logs
  25. Throwing Codes - Assistance - FBO
  26. Anyone have a dyno of just tune/intake/downpipe?
  27. So I found the source of my "rattling"
  28. purchased used jb4
  29. FMIC + ER Charge?
  30. EXHAUST 3.5" Straight setup BUILD
  31. Done with car. Amazing deal for someone in cali.
  32. Did JB4 tune
  33. Kiwi WiFi plus DashCommand or REV question
  34. N55 DCT Sport issue
  35. What ever happenned with the Vishnu N55 update?
  36. N55 COBB First Impressions
  37. Inspection question, which map? jb4
  38. I'm fairly certain at this point my wastegate is taking a dump
  39. N55 Spark plugs and maintenance
  40. Normal Codes On a Tuned N55
  41. Ok back to the N55
  42. Jb mod is it or not?
  43. FML-__-
  44. AccessPORT, maps and octane question...
  45. JB4 + BMS Intake on Map 1
  46. HPFP problem
  47. N55 5" CPE Downpipe Dyno
  48. Order of modifications
  49. VRSF Downpipe
  50. Stick with the E85 or upgrade to meth?
  51. FS: n55 Injen intake system
  52. New toy for my car... now what? Pictures inside
  53. Best N55 Meth Kits?
  54. Turbo help !?
  55. Quick question: Would I be able to drive without this intake cover?
  56. welding cats on exhaust
  57. Exhaust rattles from cold start
  58. F/S-N55 Stage2 JB4
  59. Code 2D1B
  60. Vishnu Glitching Problem Fix
  61. Need tips on what exhaust to buy for 2011 E90 335i?
  62. n54 vs n55 intercooler, same?
  63. Have power pack opinion to jb4
  64. Stock 335i exhaust FS
  65. N55 Gains with Meth
  66. Passing the torch at COBB...
  67. Bad experience with meth?
  68. JB4 stg2 Flex Fuel issues
  69. Anyone in Socal to help with logging?
  70. Performance exhaust * tip length*
  71. N55 Rough Idle W/ catless dp after JB4 ISO?
  72. JB4 Stage 2 map 2 and map 5 on stock downpipe
  73. FS jb4 n55
  74. Muffler delete questions
  75. N55 Jb4 issues, car won't work...
  76. Code 28A0
  77. Jb4 S2 N55 Fs!!!
  78. JB4 HPFP! Help
  79. So confused on which tuning route to go.
  80. Front mount intercooler discussion.
  81. First visit to dealer with Procede
  82. Are Octane Boosters Safe?
  83. 335 6MT won't go into reverse. Ideas?
  84. Too much e85?
  85. N55 JB4 Track Results
  86. 335i active exhaust and downpipe
  87. Exhaust opinions and options!
  88. Jb4 difference
  89. BMW PE Install Cost
  90. LOOKING for coilovers for 335 xi coupe 2013
  91. cobb accessport.. warranty
  92. bad luck or lemon? new turbo at 11k, new motor at 17k
  93. n55 vs winter weather?
  94. While updating software at dealer have codes 2A5F and 2F8A that won't clear. Anyone?
  95. N55 CX Racing Charge Pipe?
  96. F/S JB4 Stage 2 - Harness A
  97. Jb4 ISO update upgrade or not?
  98. downside of used jb4?
  99. I need an OEM n55 chargepipe ASAP!!
  100. Anyone running dinan software and a catless DP?
  101. Is a downpipe a reasonable DIY?
  102. n55 6AT w/Alpina B3 trans flash
  103. COBB Releases BMW FMIC and N55 Downpipe!
  104. How can I determine how much boost my car is making?
  105. JB4 Harness and Meth
  106. Jb4!! Help please
  107. Blown synchro
  108. JB4 - First log advice?
  109. Thumping noise at startup and idle after jb4, cp, and bms intake install
  110. BMS 3.5" Catless vs CP-E 5" Catless
  111. Anyone heard from Vishnu?
  112. Why You Need An Active Autowerke ChargePipe. (Pictures Inside)
  113. Half engine light help
  114. Is it really better to have the OEM air filter
  115. FMIC Install?
  116. Vanguard on 335xi
  117. Intake Manifold Temps.
  118. 1200 miles on new car and low oil? Also found 5 codes with jb4
  119. Full carbon fiber exhaust
  120. Alpina B3 tune- any experiences?
  121. Major problem n55
  122. 335i misfire? jb4 g5
  123. Alpina B3 Flash Done Today Yesss!!
  124. JB4 iso issues
  125. New ETS Intercooler installed - Should I be worried?
  126. Random Question
  127. n55 vs n54 tuning
  128. JB4 without oil cooler?
  129. N55 Upgraded turbo update
  130. 100 Octane with JB4
  131. G37 Keeping up with tuned 335??
  132. Upgrades
  133. Do Cobb or JB-4 tunes kill gas mileage?
  134. Does any one know the diffeance
  135. Anyone know where I can get a replacement OBD cover?
  136. taking n55 335xi in to dealer - car seems slow
  137. 29 MILES on the Odometer
  138. Any News from Giac?
  139. Aftermarket Driveshaft Interest
  140. Anyone here own a P3 gauge for their N55?
  141. PPK S1 Boost
  142. Boost letoff woosh is gone
  143. N55 Engine Cover Removal? (2011 335i Sedan)
  144. Some recent JB4 ISO Dyno Numbers!!
  145. Proper Spark Plug Gap for N55
  146. Anyone put JB4 on 335 w/o Sport?
  147. N55 ISO Boost targets
  148. Anyone in the NJ area want to help me with my P3 gauge?
  149. Fault Code P2C57
  150. P3 boost settings explained
  151. aFe sealed intake anyone?
  152. Could someone kindly explain how boost works
  153. 2011 E90 MSPORT upgraded oil cooler?
  154. FMIC install: any issues before getting under there?
  155. n55 e92 xdrive DP
  156. PPK + CPE catless Inquiry
  157. Which is the stock exhaust of choice for a 330i?
  158. JB4 Stage 2 ISO + 40% E85
  159. Should be safe to mod....should be...
  160. Exhaust Note
  161. Yet Another N55 Aplina B3 Flashed....
  162. Coding options?
  163. E90 N55 remus race quad exhaust
  164. cobb FMIC
  165. 09 335i x-drive catback options?
  166. Limited to 91 OCT
  167. jb4 g4/g5 iso vs tuned M5
  168. Exhaust note questions/ideas yet again!
  169. expected costs for n55 downpipe install
  170. anybody have any experience with this exhaust?
  171. BMW Performance Power Kit or Cobb
  172. Safe to get a used Cobb?
  173. E92 oil change
  174. BMS OCC problem
  175. Fastest and most powerful n55 e92xi
  176. I noticed it is burning oil
  177. LSD for an N55 E93- thoughts?
  178. question about mevius
  179. WOTBOX for n55
  180. What O2 Sensors does BMW use?
  181. Thinking of the muffler delete
  182. Changing out spark plugs this weekend - which ones to buy? Misfiring!
  183. coupe headlights gone bad!
  184. fs everything
  185. How many gallons of E85 do you guys mix?
  186. Jb4 problem
  187. Going through an Alpina dilemma
  188. Procede or COBB?
  189. Anyone running any flash tunes with DPs?
  190. Low Tire Warning
  191. Question: JB4 N55 Stage 2 flexfuel/e85 wires installation
  192. N55 Cobb stage 2 CAI
  193. HELP: JB4 ISO not working
  194. Cost to Install Dinan Stage 2 Tune
  195. Methanol pump issue?
  196. Will these ignition coils fit my car?
  197. Cobb AP N55 on Track..
  198. First Exhaust Mods
  199. F....M.....L!
  200. N55: Full Technical Training PDF
  201. Chirping Sound
  202. NEED help fast.....trunk wont open
  203. Anyone checked out Dinancars.com lately?
  204. Top Speed Limiter Removal Delimit
  205. 08 135i Virtual Dyno+Cobb
  206. N55 PPK1 vs Cobb Sport
  207. Limp Mode
  208. Looking to add midpipes
  209. N55 Turbo upgrade intro price and list for batch 1 pre-orders
  210. F/S N55 Part Out! - Lurkers this is for you!
  211. Boost oscillation with COBB
  212. Pure Turbos N55 single turbo upgrade
  213. Help! Engine Malfunction after JB4 Hex update!
  214. i need oem bmw n55 downpipe
  215. Anyone has an ECS vent boost gauge here?
  216. Anyone here using a CAI with proven gains?
  217. Tuned 335i pics/videos
  218. jb4 no boost under certain rpm?
  219. N54 to N55 FMIC fitment???
  220. Ticking Noise!!!
  221. Large Exhaust Tubing Rattling
  222. just installed the m3 strut brace
  223. just installed oem CF n55 mirror caps...
  224. So i developed a horrible knocking sound..
  225. CPE chargepipe popped off
  226. clutch question
  227. Dinan Stage 2 PE Software
  228. Cobb or JB4?
  229. Stock Exhaust rattle?
  230. Downpipe sound
  231. N55 Jb4 Problem
  232. Help- engine problem..
  233. The Upgrade, Help
  234. Low coolant level?
  235. SES light on. Code P0127 IAT too high
  236. Code P29E5
  237. At what temp would you consider IAT "too high?"
  238. Code P2E4C
  239. Performance Pack 1 Purchase
  240. N55 Revs Hanging
  241. N55 ROMs the good and the bad
  242. N55 and N54 post need to be better listed!!!!
  243. Straight Pipe?
  244. New to jb4 n55
  245. NOOB question - JB4 n55
  246. Cobb Ap Question!!!!!!!!
  247. Stoichiometric AFR for N55 with COBB Stage 1
  248. Downpipes and warranty
  249. BMS CAN TOOL not working?
  250. N55 DME help!!