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


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  1. Got my car tuned/flashed in Germany…
  2. Differential to 335 auto in 135 manual
  3. Oil temps... is 245-250F "normal"?
  4. iCarbon DP Review w/ Berk DP Back Street...
  5. RR Midpipes and Berk Muffler Delete First Impressions
  6. N54 guys
  7. Berk muffler delete question
  8. Jb3??
  9. New JB4 Firmware - 4/22 - With CanFlap
  10. 135i DCT N55 DME Update Impressions
  11. = = Vishnu N55 Catted Downpipe - Power Gains / O2 Extension Integrations = =
  12. What is the 135i Top Speed with Cobb tune?
  13. OS Giken
  14. HPFP Recall SW update - overwrite tune?
  15. How to change map on jb stage 1 N55 135i 2011?
  16. How to change map on jb stage 1 N55 135i 2011?
  17. Limited Slip Differential Helps Launching?
  18. Maddad?
  19. Berk Full Street Exhaust + 4" DP + Burger Can Tool Install/Review (56k Beware!)
  20. More Injen
  21. Best price on COBB AP
  22. 12.4 from the JB N55 Stage1
  23. N55 dyno W/ JB3 + Injen Intake
  24. 135i exhaust on 120d?????
  25. Gasoline Smell in Engine Bay
  26. BAVTECH for n55
  27. What's better??
  28. So many intake options!!! :(
  29. BMS/CM exploring an inexpensive quick mount meth kit!
  30. Noob Question about JB4
  31. 135i Chipped
  32. Raceland downpipes...WTF did you do to my car?!
  33. N54 vs N55
  34. N55 needed in Arizona for testing Catless Down Pipe
  35. Calgary passes vehicle noise bylaw
  36. My n55 now has........
  37. Meisterschaft Titanium GT
  38. Aftermarket IC fitting
  39. Shaking itself to pieces...
  40. Full 3" strait pipe on n54 car!
  41. Stupid Question
  42. Easy Question . .
  43. N55 0-100km
  44. 135i build Thread .. 'Giant Killer'
  45. BMW performance Power KIT
  46. Whats up with holding RPM for upshift on a '11 135i MT?
  47. California Smog Suggestions?
  48. JB3 pinout engine malfunction
  49. Intermittent vibration when stopped
  50. jb4 what map should I use what map do you use?
  51. Wich cattles downpipe and Intercooler
  52. AFE CAI vs STETT CAI
  53. Limp mode without a code?
  54. Performance Mod Sticky?
  55. Help with few warning lights and codes
  56. Problems running Catless?
  57. Quick request
  58. Jb3 stage 1 n55
  59. Gintani Exhaust for N54
  60. BMW Peformance exhaust gets LOUNDER after clutch work????
  61. N55 Catless Downpipe TAKE OFF CRUISING FLY BY COLD START - Vishnu 3.5 Downpipe
  62. Just Released! Evolution Racewerks N55 Charge
  63. Does the mesh over the intercooler serve a purpose?
  64. Dinan Stage 2 boost
  65. ER Chargpipe/BOV sound info
  66. Stock DCT 135 1/4 mile Vbox runs
  67. AR Design N55 Downpipes
  68. Employment Opportunities at COBB Tuning: Hard Parts Engineer
  69. N55 Injen Intake Installed
  70. scoops!!!!
  71. >>> HP Autowerks <<< Berk Technology N55 Downpipe
  72. Cobb and ESS tune install
  73. Cruise Control Disabled with Cobb AP
  74. Noob Question Turbo
  75. car feels slower help me!!!
  76. Mr5 intake
  77. 135i vs.....
  78. Help: BMW Perf Parts help questions
  79. Nothing is working on mu 136 2011!!!???
  80. And you thought the E92 M3 was faster
  81. Thinking about doing a Zonda style exhaust, ideas?
  82. Aftermarket clutch options?
  83. Helix 13. Upgrade turbos
  84. Most CARB legal RWHP possible and how?
  85. vishnu meth kit?
  86. AFE Stage 2 "Closed" intake
  87. What Gear to Rolling Road a 135i DCT?
  88. Cobb Accessport Quarter Mile time
  89. Dyno Runs - Intake Comparison
  90. Dyno Runs - Berk Technology Sport System
  91. Evolution Racewerks FMIC
  92. DCT Detail
  93. swapping axel back for berk axel back..
  94. iCarbon N55 DP and AR N54 DPs
  95. What's the time of 135i Dct.....
  96. Just hit 16.5 psi?!
  97. dsc lights up
  98. JB4 question.
  99. Help with bleeding clutch after CDV install
  100. Question about JB4 with AR Downpipes
  101. 2008 135i steptonic transmission HP limit?
  102. Ticking noise after driving hard/aggressive??
  103. N55 JB3 from BMS question
  104. Is it to late for an Oil catch can?
  105. aFe Dual cone? Why nobody using?
  106. Boost controller...
  107. JB4/FSB Integration
  108. Cattless downpipes and CEL light?
  109. Face lift 135 with JB3
  110. Jb4 map6
  111. N55 issue - Low power, low oil temp
  112. UUC Motorwerks EVO3 Short Shifter
  113. Downpipe install. Trouble with clamp
  114. Code 3 intercooler
  115. WTB DCI AND BOV - some questions/anyone selling?
  116. c.h.a.r.g.e p.i.p.e
  117. Random exhaust pitch change, possible acc?
  118. 135i N55 blow-off pipe kit for HKS SSQV
  119. talked to cobb today
  120. Newbie here / 2007 328 xi or 2008 135i
  121. 2012 135i
  122. Another New Injen Intake Owner
  123. BMW SSK 2 years later not so short!
  124. Surging idle
  125. COBB AP= WTF just happened???
  126. N55 JB3 questions
  127. Best Short Throw Shifter for N55
  128. Downpipes have caused intermitent shimmy/vibration at idle.
  129. berk muffler delete exhaust
  130. Need Help pleaseee
  131. Normal Air Intake Temperature
  132. 100% stock N55 at the dyno!!!
  133. N55 - JB3 or Procede
  134. JB4 6/4 Beta including MaxCool, AFR/EGT in dash, revised stealth gauges, and more...
  135. FMIC for the N55
  136. 135i CUSTOM MUFFLER DELETE
  137. BMW Performance Power Kit - who has it?
  138. Question on my BMS Install
  139. Anyone ever see or can validate this?
  140. 2012 N55 JB3 and DP Dyno Pulls
  141. Quaife LSD Install - Diff Bearings
  142. Installation for ER FMIC?
  143. OBDII PORT questions
  144. P0440 and P2A1A
  145. Problem while removing procede
  146. Which tune has proven to be best for N54 cars so far?
  147. FMIC Dyno Comparison
  148. JB3 N55 Review
  149. Part # for BMW Performance exhaust bolt
  150. modified cdv installed.
  151. N55 exhaust options
  152. BMS N55 Stage 1 question
  153. o2 simulator ?
  154. Oily/greasy residue on charge pipe and air box, what is that???
  155. Automatic rear diff in manual 135?
  156. Question regarding BIG TOM FMIC
  157. Octane boosters N55/N54
  158. Sprint Booster
  159. FMIC - What to cut???
  160. I gotta ask... Can you switch an AT transmission to a 6MT one?
  161. Windshield Washer Fluid Tank + Meth
  162. Shops in Atlanta, GA
  163. SW update quick review
  164. HP Autowerks, inc. 135i N55 Dyno - Berk DP and full exhaust, ETS FMIC, HPA Drop-in
  165. Helix FMIC group buy.
  166. N55 Full Berk Street Exhaust + JB3 + 4" Downpipe Video
  167. I've forgotten how to drive....
  168. NEW aFe N55 Stage 2 Intake Installed>>> HP Autowerks <<<
  169. What kind of #s? TBE/FMIC/Tune/Meth?
  170. 2011 N55 OCC installed
  171. Star bolt from strut brace??
  172. Tunes and new SW update
  173. Dual cone intake and WW meth kit dyno testing
  174. Where does BMW get their raw material to make Rotors
  175. Will dealer deny Fuel Pump Replacement with Downpipes?
  176. N55 135 6mt 1/4 Run Video
  177. Boost gauge setup OTHER than P3
  178. Rogue or Cp-E Catback?
  179. Which FMIC?
  180. Another ....somewhat Noob question
  181. Helix FMIC group buy
  182. JB4 low end power loss?
  183. Noob just saying hi
  184. jb4 problem
  185. Cobb AP Data logs - need some help reviewing
  186. Downpipes causing limp mode?
  187. Bavarian Exclusive|Berk Technology Full Street and Race Exhaust review!!
  188. Oil Cooler
  189. JB4 (Stage2) for N55 is under development!
  190. COBB Tuning is looking for a BMW 1M near Austin, TX
  191. Question about aftermarket exhaust
  192. Blitz AG nur-spec quad tip exhaust
  193. strange hesitation on WOT
  194. SES, BRAKE, (!) and Transmission Error lights!
  195. Intercooler help
  196. Boost pressure
  197. BMW Performace Exhaust help please
  198. Help
  199. Should I get COBB or PROCEDE for my 2011 135i?
  200. HPF FEATURED in PERFORMANCE BUSINESS MAGAZINE - JULY 2011
  201. Exhaust leak
  202. 2011 135i Rear Bumper Video
  203. JB4 Help
  204. Mod Questions
  205. Upgrade Path
  206. Bov for N55
  207. Berk Race Exhaust
  208. Changed my spark plugs and look what I found
  209. N55 Speed Limiter
  210. Problem with boost/intake
  211. Some N55 WW meth love!!!!
  212. Is Berk Race Exhaust too loud for daily driver?
  213. Boost guage under climate control???
  214. Two Codes, Poor Boost.
  215. HPF 135i exhaust with resonator
  216. DYNO: 135i with Procede V5
  217. Who has 450 HP
  218. Best stock 1/4 mile time?
  219. engine problems
  220. Berk Street Exhaust vs aFe vs ???
  221. Anyone in the 400+ with the N55?
  222. Cp-e catback drone issues???
  223. What is the limit of the N54 engine?
  224. Which Downpipes?
  225. Dynapack Dyno - 412rwhp - FBO N54
  226. N54 Fuel Upgrade?
  227. My New Agency Power N55 Down Pipe and dyno testing
  228. Will pay anyone in the Boston area to remove my N55 Procede.
  229. 130i cranks but wont turn over
  230. P3 cars Vent Gauge V2 install advice...
  231. Know of A GOOD Air INTAKE FOR 2011 135i N55??????
  232. Help me decide: HPF intercooler or CPE intercooler + oil cooler?
  233. N54 Backfiring?
  234. CP-E Downpipe hardware- question.
  235. So. Where'd you buy your HPF Intercooler?
  236. Jb4?
  237. Question about software tunning.....
  238. N55 power figures?
  239. Oil Catch Can Review - HPF vs BSH
  240. ER Chargepipe for N55
  241. Engine noise when hot...
  242. Problem installing BSH OCC ... need some help
  243. Intake
  244. Fitment
  245. springs??
  246. Weird noise after Berk Race install
  247. Any abs quad diffusers available?
  248. Fmic for n55
  249. N55 JB4+meth dyno results
  250. Injen Intake... Is there any room?