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View Full Version : 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications


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  1. 135i vs 125i stock exhaust
  2. Problems with tunes?
  3. Injen intake = Everyone Happy?
  4. Helene Streamline Filter: Cleaning+Oiling?
  5. Please Help---caarbon Fiber Parts!!!!!
  6. Which high-performance air filter for the stock intake?
  7. i went to the riss racing intall center today
  8. JB3 w/ CP-E catless 3" downpipes
  9. Random check engine light
  10. L.E.T. Tune
  11. Kiwi Wifi OBD II sensor with Iphone Rev Program HD Video
  12. Pic Request: STOCK Solenoid Vacuum Line Arrangements
  13. Maximum torque through the Steptronic?
  14. anyone know what that fault code is
  15. Great hideous engine malfunction, batman!
  16. Tuner code from map 5
  17. JB+ Owners
  18. How many N54-ers in the 400whp club?!
  19. Performance Exhaust Review (auto vert)
  20. Race Fuel
  21. How many tuned N54's have had major problems?
  22. Noticed something interesting today 135i vs 335i
  23. Helix FMIC install question
  24. ▀▄ eas | Macht Schnell Ashtray Gauge Panels - Sneak Peek (and Gauge Poll)
  25. Those considering a BMW Performance Exhaust
  26. Review: LET Stage 2 Tune and Quaife LSD w/ 3.46 Final Drive
  27. Transmission oil cooler and water radiator
  28. How long between extended cranking and hpfp failure
  29. Dinan - Quaife LSD For Manual Trans
  30. Particularly noisy wastegates on start
  31. Quaife ATB LSD for your Manual or Automatic 135i
  32. procede or jb3...please no arguments!!!!
  33. New Fuel Pump+Tune
  34. Who here is running a Oil Catch Can on a stock car???
  35. Going on for Service - OCC on or off ???
  36. ASR at track! New world record?
  37. Got a ticket for a loud exhaust
  38. JB+ + DCI Dyno.
  39. active aautowerke ssk
  40. Help with Fault codes
  41. Berk exhaust compare to others???
  42. Wanting to add dual boost gauges
  43. Unaware of engine upgrade
  44. Who actually makes the BMW Performance Exhaust?
  45. Decrease in performance with dual cone intakes?
  46. Anyone with either Dinan, Remus or BMW Perf Exhaust in metro NY area?
  47. Dyno Results...testing a fuel additive.
  48. Going to order an aFe exhaust
  49. Injen Intake Review
  50. Customized Y-Pipes / Resonator Delete
  51. Unusual Exhaust from BavAuto.....
  52. Stollen Valve Sterm Cap
  53. New Helix FMIC on 135i - install for those that are wondering
  54. BMW performance Y-pipe with stock muffler and golf tee
  55. My Evolution Racewerks FMIC mini review...
  56. bms dci
  57. BMW have releaded a performance intake at last ?
  58. JB3, how long to adapt?
  59. BMW Performance Kit with JB3
  60. Forge - Direct replacement Intercooler
  61. JB3 on stock
  62. Down Pipes, Cat or no Cat
  63. exhaust recommendation?
  64. Crankcase Breather VS. Oil Catch Can
  65. JB3 and sevice
  66. Best Intake on the market
  67. SSTT Question
  68. Midpipes
  69. Disconnecting the tubing of the 2 turbos
  70. Steptronic: grinding noise on upshift?
  71. BT Scan Tool in MA
  72. what should i buy ??
  73. First Oil Change.... What is SCOPE CHECK?
  74. Drove my brand new 135i 3 minutes... then right into service dept.
  75. Dynojet numbers - 6MT with some mods ;]
  76. Berk Exhaust (...2 months later)
  77. dinan out jb3 in!!!!!
  78. Dinan stage 2 software price quote/installation
  79. jb3 map help
  80. Dinan2 and Dinan oil cooler.
  81. 11.7 in the 1/4 mile!!!! New record?
  82. DMETune Dyno Results Tomorrow or Mon.
  83. Mad dad exhaust?
  84. aFe Exhaust First Hand Impression
  85. aFe Exhaust Pictures
  86. JB3 and HPFP failure?
  87. Magnaflow Cat Back Exhaust
  88. Exhaust Sound Inside Our Car
  89. Error Code Help Please... Fuel pump?
  90. aFe Exhaust Assorted Videos
  91. Bastuck Quad Installed (Kind of)
  92. HPFP Finally replaced and....
  93. Tools and advice for JB+ install
  94. Best FMiC
  95. JB+ Setting?
  96. Stupid Question...JB3
  97. Downpipes - Basic questions
  98. OCC install tips please
  99. Just installed JB3, which map?
  100. documenting my personal hpfp issue
  101. catch can and fuel pump concerns...
  102. Service Engine Soon Light - low fuel level
  103. Injen Intake - JB + For
  104. Dinan Exhaust Black Tips - Finish & Workmanship - or lack thereof
  105. Encore exhaust for our 1series cars?
  106. resonator out on stock exhaust
  107. FMIC or Lighter Wheels Decision
  108. Dinan Intake for the 1
  109. I modulate jb+
  110. Data logging with the iPhone
  111. jb3 helpp engine light
  112. random long cranks, rough idles
  113. Walked over by a 335D!!!
  114. Intercooler install help
  115. JB3 w/ OEM Downpipe Safe?
  116. UUC SSK, to much play in gear?
  117. Engine Lean (Check engine light)
  118. New JB3 Beta Software!
  119. New with BMW's Need help please!
  120. Clearing codes does not actually clear them
  121. M3 finned diff cover
  122. just joined the JB3 club
  123. About to install my berk exhaust
  124. OEM exhaust questions
  125. Anyone regret getting software update from dealer
  126. Biggest reason to buy JB3 over JB+
  127. 135i Build meth, JB3, Intercooler sprayer and much more!
  128. Where to start...
  129. HPFP issues problems, been at the dealer a week!!!
  130. Suggestions for air intake?
  131. ARIZONA Dyno Day & LET Flash TUNE... THIS SATURDAY
  132. 1/4 mile
  133. Feeler: N54 Power Package!!
  134. New Tires = Slow initial go (135i with JB+ at %100)
  135. Performance Exhaust Driving Differences
  136. JB3 Map 3 Dyno?
  137. Shift Speed: faster than 335i?
  138. Stock exhaust to CPE axle-back
  139. Anyone tried these?
  140. I'm "screwed"
  141. Dyno'd and custom tuned the wife's car today
  142. Engine light on ???
  143. Charge Pipe coming loose?
  144. RR Scoop Price Difference?
  145. Berk with straight mid pipes?
  146. How to distinguish Performance Exhaust from Stock Exhaust from the look
  147. Any JB3 users in WA State?
  148. Results from bmw regarding check engine light..
  149. Intake/Downpipe warranty question
  150. jb3 help no check engine
  151. Help i have no clue.
  152. N54B30 06 or 08?
  153. Dinan Stage 2 problems not being covered under either Dianan or BMW warranty?
  154. Check Engine light comes on and off repeatedly
  155. JB3 & Higher Mileage 1ers Out There?
  156. Dinan Software - O2 sensor warning light
  157. Need a Place to get JB3 and DCI installed near NYC
  158. JB3 and DCI installed today OMG!!!
  159. Tuning Software
  160. JB3 1.3 + Injen intake review
  161. What is the ideal outside temperature for our engines to run at?
  162. Long Crank but No Limp mode or CEL
  163. Where to now? possible future upgrades.
  164. Mad dad axleback
  165. AZ Dyno Day Results
  166. charge pipe problems?
  167. Borla catback, where to buy at a reasonable price ?
  168. 135 oil cooler
  169. jb+ installed!!
  170. ASR 135i Against M5 Video
  171. Engine Light - Oil at minimum, add 1 quart of oil immediately... anyone else?
  172. anyone get their downpipes from the VKmotorwerks groupbuy??
  173. loss of power jb+
  174. Thoughts on my proposed "Stage I" Mod list
  175. LongTerm Feedback on JB+ users...
  176. Forge Intercooler for 135i goes into production
  177. in a world of hurt... help diagnose codes
  178. ASR's 135i turbo upgrade at work
  179. AMS Tests the CP-E standback! Our choice for N54 ECU tuning!
  180. JB+ and BMS Dual Cone Intake Installed
  181. Long cranks after HPFP replacement
  182. Does upgrading the air intake and exhaust improve fuel efficiency?
  183. SES light.. ugh here we go again???
  184. purge/ventialtion valve?
  185. Installed the revised B&M 45123 in BSM 135i's car
  186. Need help picking out an exhaust
  187. Inside Performance Quad Exhaust Installed (Finally)
  188. Heders??
  189. Clutch stop mod- added
  190. 1k miles first ses light !
  191. Dinan Stage 1 and Similaritieswith JB+
  192. New 1er Mem. ideas and mods info
  193. Oil Level Sensor - Inactive
  194. Decent priced catless Dps
  195. Ordered my FORGE FMIC
  196. Juice Box for the 135i
  197. My AFE Exhaust install and pics
  198. 2nd CAT bypass pipes?
  199. Riss Racing Scoops
  200. Where should i get vacuum foor boost gauge
  201. CP-E FMIC
  202. Best fitting FMIC for the 135
  203. Engine running rough, long starts, CEL
  204. Mods and Leasing
  205. so, aside from the usual long cranks...
  206. JB3 map selection...how do you know??
  207. BMW Performance Exhaust and CP-E catless mid-pipes?
  208. PES TT-35 Installation
  209. SES Light
  210. What's involved in a HPFP replacement?
  211. Need your thoughts on my proposed "Stage I" Mod list
  212. folié a déux....
  213. rpm's stuck
  214. JB3 1.22 guide
  215. Rev app for iphone
  216. New charge pipes?
  217. turbo sizes?
  218. Dinan Intake for the 1
  219. JB3 Map Setting
  220. First long crank...?
  221. Inside Performance - Quad Exhaust Muffler
  222. Which intake to buy?
  223. Perf Exhaust = $1378.98
  224. Tunes and HPFP....
  225. Engine noise after shutdown
  226. STETT Performance Cold Air VS heatSoak
  227. Mid Pipe Install Questions...
  228. 0-60 time for Dinan Stage II?
  229. Question about JB+ 100% long term
  230. What are the dimensions on the 09 MSport Shadowline Exhaust tips?
  231. moaning sound on throttle release
  232. First dynolicious (jb3, dp's, intake)
  233. BMW Performance Intake? Know anything about it?
  234. Meisterschaft or CP-E Exhaust
  235. Announcement: JB+ Software Update? - More Power!!
  236. Worst mileage achieved
  237. Anyone have an Excel spreadsheet of their torque curve?
  238. REV
  239. Performance Exhaust = Less HP
  240. Whine from engine above 4K rpm
  241. intercooler bmw 135i?
  242. intercooler x6
  243. Does the BV scan tool read boost?
  244. UR Tial BOV kit review
  245. Another Dynolicious run.
  246. re: BMW memo regarding aftermarket tuning kits
  247. intercooler for my 135i
  248. Teaser!!!! n54 crank pulley
  249. Injen dual cone intake concern
  250. tuning my bmw 135i