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


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  1. Noobie to this forum, curious about mods...
  2. Clutch sound ???
  3. Mini Review on JB4, AR DP & ST Suspension
  4. Group buy qualife LSD? Opinions...
  5. New Member - ACS3_87
  6. How much power can a automatic transmission 135i hold without slipping?
  7. Cobb log review
  8. 11.696@117.91
  9. BMW can tell if u had tune?
  10. bmw dealer in my country.......
  11. 2011 N55 DCT on the track (Video)
  12. Anything I can do to reduce consumption?
  13. Axleback exhaust only
  14. questions about OS Giken diff assembly
  15. Forge DV and more...
  16. JB4 map 8 / NA mode
  17. Installed Quaiffe LSD, car pulls right under hard acceleration
  18. Auto Logic Tools for Independent BMW Garage
  19. What make a DINAN
  20. New HPF N54 Intake Manifold for both 135i and 335i - PICS
  21. N55 w/ Downpipe Issue
  22. Procede but no cruise control?
  23. Any tips for Dyno of N55 with DCT?
  24. Active Autowerke Exhaust vs Berk Race. Which is louder?
  25. All I want for Christmas..
  26. JB4 Stage 2 for N55?
  27. vishnu procede or jb4 stage 2 for n55?
  28. JB4 or Accessport?
  29. JB2 N54 Stage 1 - Worth $99??
  30. Stock turbo limit?
  31. nos on stock 135i
  32. Had Quaife LSD installed now its leaking fluid
  33. COBB AccessPORT Updates for Europe, Z4i, Z4is, 1M and New Stock Throttle Stage2+ Maps
  34. N55 DME Update
  35. How difficult to install a BMW Performance Exhaust?
  36. installing/uninstalling N55 downpipes
  37. N54 Mid pipe weight?
  38. N55 check engine light on catless downpipes
  39. Anyone fitted e46 M3 transmission mounts?
  40. AA Speed Delimiter
  41. Catless DP & Pass The Emission Test?
  42. JB4 passes dealership visit!
  43. Does the 6AT have a ATF dip stick???
  44. How to use BT Scanner?
  45. New aFe 3" Exhaust POLL
  46. Question of the stock turbos
  47. Removing Roof liner ?
  48. what's the benefits of installing a custom LSD...?
  49. Oil Catch Can
  50. Cobb tuning
  51. My clutch showed up today!
  52. check engine light + limp mode (no boost at all)
  53. Turbo replacement
  54. Knock over bumps after DP install?
  55. HPFP issues on N55 : any news ?
  56. Low boost/Leak?
  57. evil eyes....
  58. Intercooler ?
  59. Intercooler
  60. N55 to N54 swap?
  61. Twin turbo upgrade kit 505 whp
  62. REVIEW: HPF STAGE 2 FERAMIC CLUTCH (N54 335i)
  63. Cobb HP no reply
  64. ECS Lightweight crank pulley..Opinions?
  65. Cobb AP or JB4
  66. Google has failed me!
  67. Spec clutch installed *pics*
  68. Need Help Deciding On Exhaust
  69. Dyno on Friday...wish WA had 93 octane
  70. Just did the Evotech ECU Flash
  71. Took my E85/93 135i to the drag strip
  72. N54/N55 limiting factors
  73. $600...what to do with it, no clue
  74. Incase you havnt seen the progress.
  75. Anyone care to chime in on the (Turbo?) problems i'm having
  76. How to tell what flash is on your car?
  77. How to tell which engine I have? (n54 or n55)
  78. damaged intercooler
  79. 10.2:1 compression
  80. N54 135i steering?
  81. Revised Eisenmann Quad Exhaust for the North American spec 135i
  82. New HPF N54 Intake Manifold Pics for the 135i/335i/535i
  83. 2012 135I tuner in So Cal?
  84. Maddad
  85. question regarding Injen Intake for N55 application.
  86. DCT Launch Control and PPK
  87. Strange engine startup and rattling after replacing fuel injectors..
  88. Need a lsd installed in Mn Looking for recommendation
  89. What sounds louder?
  90. Help with agency power intercooler install
  91. Performance Pack and Performance Exhaust
  92. HELP!! Just installed my intercooler and got a p30ff code
  93. Anybody with Cobb play with the performance meter yet?
  94. injen intake air filter replacement
  95. Any experience with the 335i-style insidePerformance exhaust?
  96. Any experience with ENEOS motor oil?
  97. AFE down pipe n55
  98. PE install questions
  99. VRSF 3'' Downpipes
  100. N54 BMW PPK & SSK Review
  101. Tracking my 2012 135i for the first time
  102. Power steering vent / cooler?
  103. Best price for AR downpipes?
  104. 09 N54 Stock, too much lag / not as powerful
  105. Help?
  106. Gaskets at turbo to downpipe reusable?
  107. Heading to strip tonight. Anyone done Map 7 for N55?
  108. Eric's HPF Single Turbo N54 Is ALIVE - VIDEO
  109. Macht Snell DP install hardare
  110. Cobb Accessport HELP!!
  111. Intercooler and Down Pipes then JB4?
  112. does the oem oil cooler use hose fittings
  113. Transmission issue or Software problem?
  114. Dinan N55 Official Email
  115. BMS DP Fix for 1M N54
  116. Please Help Me Vote...
  117. Macht Schnell Downpipes Installed
  118. Cobb Stage 2, w/o aftermarket intercooler?
  119. HPFP thread, 2FBF and 2A19
  120. Modifications to 135i DINAN?
  121. 2 weeks with tune, Oil at minimum.
  122. 2012 n55 135i coupe
  123. 2011 N 55 dyno results
  124. What Died In My Waste Gate
  125. Dinan tunes transferable?
  126. Log....What to look for
  127. BMS DP fix question
  128. Any one race a G8 GT??
  129. BMS OCC N55 Kit Testing
  130. 335i e92 Lux h8 v3,bms dci, ar catted dp, magnaflow, blk 18 5spoke sport rims
  131. What procede map?
  132. Apexi filters
  133. DP Intall question.
  134. Decent deal for PPK2?
  135. Finally some cobb logs after FMIC and BERK muffler delete
  136. Cobb AccessPort Update Error
  137. Disable E-LSD with a real LSD
  138. M1 methanol dealer near Fort Rucker, AL?
  139. PPK owners, can I have your feedback?
  140. n55 AR Catless DP Smell
  141. Lightest 135i?
  142. exhaust question on an n54
  143. vibration question
  144. JB4
  145. Whistle sound from the engine
  146. Eisenmann Exhaust..(please read)
  147. Chargepipe performance question
  148. 99% Sure This Isn't Wastegate Rattle
  149. order the charge pipe...
  150. BMS N55 Charge Pipes Back in stock :)
  151. N55 JB4 (Stage1 and Stage2) RHD Harness now Available!!
  152. VRSF 3" Downpipe Installed/Review
  153. Dyno help
  154. Pop noise, then loss of power + air sucking noise?
  155. launched car now car sounds louder...??n55
  156. Cobb Accessport
  157. full straight pipe.....ur opinions
  158. Pressure plate crunching
  159. CA DMV requiring DME software upgrade!!
  160. HPF Exhaust Question
  161. Looking to buy Exhaust & Mid Pipes. What should I get?
  162. Resonator Delete N55
  163. Good Burnout????
  164. Drag info?
  165. Fighting for traction
  166. 12.3@117mph on pump with 3 mods? What?!
  167. 1M Engine Cover Decal
  168. DCT Kickdown lagging with JB4 N55 Stage 2
  169. Finally installed my PE today
  170. Cobb Stage 1 - No DP fix?
  171. Limited-slip purchasing options
  172. Best 135i exhaust for a daily.
  173. Can you run no rear exhaust on the 135i?
  174. What is Meth??
  175. spark plugs
  176. NEED FMIC
  177. Progression of mods, suggestions please.
  178. JB4 vs. Cobb Cobb Wins!!!
  179. JB + or COBB??
  180. AskCOBB Episode 2 - BMW Misfire Diagnosis and Repair
  181. Cobb + intake?
  182. JB4 2/7 Firmware Meth Dyno Testing!
  183. Cobb + BMS WW Meth Kit Dyno Testing!
  184. BMS JB4 and BMS downpipe
  185. N54 vs N55
  186. N54 Midpipe DIY?
  187. Exhaust Question.
  188. How to launch successfully after tune
  189. Would another axle back give more power
  190. loosing power when shifting gears???
  191. What will the dealers let you get by with?
  192. BMW Performance Electronic Steering Wheel V2 questions
  193. BMS Burger Tuning N55 Downpipe Sounds
  194. stock charge pipe....
  195. N55 ETS Chargepipe Install + Review
  196. Spend My Money For Me
  197. PPK bought in the US installed in Mexico?
  198. Vishnu N54 Single Turbo
  199. VAC Motorsports - 335i, 135i Performance Built Differential - How we do it!
  200. DCT Transmission
  201. Just installed AR DPs and Cobb Stage 2... Questions.
  202. 335 to 135?
  203. N55 1/4 mile HELP!!!!!!!
  204. Dynolicious app pretty damn accurate!
  205. Need DP Fix To Pass Emission
  206. 135i N55 Remapped DMS
  207. Some early customer results for the BMS OCC!!!
  208. Berk Exhaust Issue on e88 Convert
  209. n55 AFE Intake installed. pics!
  210. Adaptation Question
  211. Stage 1 BMW PPK just installed and...
  212. 2012 135i Cold Air Intake
  213. Oil vs. Dry Air Filter
  214. BMW Performance power kit
  215. Injen intake any good?
  216. Berk Race Exhaust Questions
  217. Cobb Stage 1 vs Stage 2+
  218. Question about my 135i and Texas Roads...
  219. How long should i wait to install JB4
  220. Worst to First in 5 Minutes: CP-E Axleback
  221. N55 Tunes, What Would You Choose?
  222. Catless motoring, motoring in NY
  223. DIY DCT Launch Control (Have I discovered something here?)
  224. EFI Logics Custom Tuned N54 135i – 341whp/394wtq!
  225. Smoke after new AR downpipes
  226. N54 JB4 or Evolve
  227. meth bung...
  228. BMWP Exhaust NOT compatible with BMW PPK!
  229. Issues with JB4
  230. 1M / 135i tranny... whats the difference??
  231. JB+ or JB4. Someone please help.
  232. Performance Power Kit Numbers?
  233. N54 - BMS JB4 vs Cobb AP vs Vishnu Procede vs AA vs Dinan vs others
  234. Airport raceway videos!
  235. Why the N55 needs an upgraded Charge Pipe!!
  236. Best Down pipe for N54
  237. Jb4 logging question
  238. Feedback on Rogue Engineering 135i DMS Exhaust?
  239. 135i Remap with best performance
  240. 19f 20r v710 matteblack setup?
  241. Torque increase for PPK + Injen CAI?
  242. Cobb frustration
  243. Possible Loss of Power -- First Log
  244. plz ur opinions are important for me :)
  245. DP's and O2 extenders...
  246. Will Methanol dry out turbo seals????
  247. Midpipe install easy?
  248. New JB4 Map 8 Economy Map Third Party Results
  249. Have this happen to you guys? With the new jb4 software
  250. Weird sound on engine shutdown?