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


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  1. Quick Procede N55 question (Or any tune really)
  2. JB4 Progressive Meth Mapping Directions!
  3. Full 3" custom exhaust...
  4. Max safe boost for Stock N55
  5. Any chance of BOV Kit for N55?
  6. BRracing Roll Cage. Feedback please!
  7. Procede "Enthusiast"
  8. Center Exit Exhaust?
  9. Limp Mode? Help Please
  10. Merry Christmas to me :)
  11. 2011 135i BMW Performance Exhaust -
  12. BMW short shifter issues.
  13. Any comparison of various 135i performance?
  14. What midpipes to get
  15. JB3 and Service
  16. There's something wrong with my turbos.
  17. tune on 135i N55
  18. N54 BOV question
  19. Is their a difference between afe intake and bms dual cone intake
  20. jb3 highest setting for a stock car?
  21. HELP! BT Software not installing on netbook!
  22. Engine light ON.??!!
  23. Picking Up My Car Later Today
  24. Riss Racing or Berk Exhaust
  25. Ever See this?
  26. How long is the wait for 135i after european Delivery?
  27. Jb4 Alpha Testing
  28. 135i with meth
  29. Best Intercooler Option for 135i
  30. BMW SSK Owners - Help
  31. tuned 2011's out there??
  32. Procede V5 vs Alpha JB4 runs on a closed track
  33. When is the JB4 coming out?
  34. spark plugs
  35. Sunoco Pump Race Gas Locations
  36. With the new 135i M running the M3 diff, anyone know what other parts are req'd?
  37. 1.5 QT of oil down in 5K miles sounds right?
  38. Just picked up my 2011 135 weird clutch
  39. Updated software for service campaign - does DSC get upgraded too?
  40. Intercooler
  41. Procede v4
  42. Does anyone make a quad exhaust for the N55 with black tips?
  43. My HPFP luck finally ran out
  44. Afe throttle body spacer
  45. Datalogging
  46. Found these sweet Exhaust Tips
  47. Manual trans in cold weather
  48. For those with full catless stock muffler
  49. anyone else relate?
  50. Question about DV mounting bolt
  51. Would you still own a 1 if it didn't have the power?
  52. N55 PROcede install question
  53. What tune for the 2009 135i ?
  54. BOV on stock charge pipe?
  55. VAC N54 Turbo Control Module
  56. Any performance/power advantages with a quad exhaust over a dual exhaust
  57. Ram air part?
  58. BMS DP Fix problems
  59. Aggressive exhaust
  60. riss racing full cat-back exhaust fitting
  61. jb4 limited release back on today...12/22
  62. Vishnu Prototype...DP
  63. Which exhaust is better?
  64. N55 with AR catless downpipe review
  65. Question about exhaust rasp
  66. What mods to get for 135i 6MT?
  67. will a rdash bov kit from a e92 fit e82?
  68. Upgrade JB+ to JB3
  69. Tuning
  70. Jumpy RPM gauge
  71. Smoking upon decel and misfires at idle, PCV issue?
  72. Cobb Accessport for 135i coming January 2011
  73. DCT gearbox
  74. Reading Negative PSI on Vent Gauge
  75. carbon fiber drive shaft....
  76. Mileage and long term performance
  77. ...
  78. COBB Tuning introduction to the N54/N55 community...
  79. N55 Oil Catch Can?
  80. Is the jb3/g4 out yet?
  81. Dig out an old article....
  82. e90post/1addicts JB4 beta testing!
  83. N55 BMW performance upgrade kit
  84. JB4 meth flow gauge!
  85. JB4 Stealth Gauges -- Your Help Needed!
  86. Questions on Dinan computer for 135i?
  87. 335 vs 135 axles
  88. How do you know if you have a tune
  89. The best intercooler
  90. JB4 code reading!!
  91. HPFP and N54 Injectors recall.
  92. Help Me Please!!
  93. Quad Exhaust...what is your intrest?
  94. Washer fluid leak?
  95. Downpipes - Coated, Heat Wrap or Nothin'?
  96. Need Oil after 6months-10 000kM ?? Car says +1L
  97. All COBB Tuning AccessPORT for 135i Discussion Here
  98. Fabspeed Motorsport New BMW 135i/335i Catbypass Downpipes
  99. Turbo Timers
  100. METH??
  101. Any value to aftermarket BOV/DV on 2011 135i with DCT?
  102. Some more JB4 dyno results
  103. TopSpeed Motorsports - Cobb Tuning Accessport Dyno Results
  104. icarbon downpipe
  105. Where's the oil going?
  106. PERRIN Dyno's COBB AccessPORT, 340WHP 400ft-lbs and still more on tap!
  107. BMW short throw shifter
  108. The Octane # Question
  109. Stock Exhaust Dimensions?
  110. Pump gas & Race Gas Blending chart w/ cost calculations
  111. N55 Procede Install complete....but...
  112. BMW 135i Exhaust Prototype by HPF
  113. Why no full single exhaust for the n55?
  114. Question on firmware updating on JB4
  115. COBB Tuning AccessPORT Firmware Update for BMW
  116. E10 Fuel in Europe (Germany)
  117. How Many 135i With Big Tom or CX Racing FMIC
  118. Where to buy cheapest oem plugs?
  119. BMS DCI w/ scoops?
  120. engine tune with stock downpipes
  121. Procede or Cobb, boost by gear?
  122. iCarbon SM-54 N54 Downpipe
  123. going to dealer for HPFP recall, should i delete fuel pump code?
  124. Procede v5 7DCT shift/safety logic
  125. JB4 92 Octane Dynos - With Current Shipping Firmware!
  126. Aquamist HSF-5 METH!!!
  127. Noob to jb please help..
  128. Rogue Engineering DMS Exhaust Installed
  129. Wavetrac LSD questions
  130. Has anybody got a turbo replaced? mine is faulty
  131. BMW Performance Exhaust Price Gouge
  132. JB4 Upgrade Program!
  133. N55 135i dct D/V Problem
  134. N55 Remap
  135. "Open Recall For Fuel Pump"
  136. JB4 vs Procede V5 vs Cobb Accessport?
  137. Review: Berk Technology Full Sport Exhaust System
  138. ***BMS JB4 review/comparison versus Procede v5***
  139. Calibration update for BMW AccessPORT
  140. Best Plug and Play?
  141. blow off valve
  142. Berk Technology Full Race Exhaust on my N55 VIDEO (Attention Berk Reps)
  143. Intercooler!
  144. ESS DirectFlash N54 135i: Review
  145. Attn - AP owners using latest beta firmware and MSD80 "I8A0S" & "I860S" MT ECUs
  146. Did I get all the parts for bov/charge pipe?
  147. Which plug and play chip is reliable and has the LEAST gain?
  148. Bmw Performance Exhaust N55?
  149. HPF Parts Room Trivia
  150. Slight engine tick
  151. **Active Autowerke S1 Shifter Now Available | Passion for Precision**
  152. Berk muffler delete
  153. JB4 Steering Wheel Command Mode Explained/Chart!
  154. Long trip ahead.. should I change oil/filter ?
  155. N55 Midpipe mod?
  156. BMS DCI poll above/below 50F(10C)
  157. Minor AccessPORT Update Coming
  158. Look what came in the mail today!
  159. Catless DP or Midpipe
  160. Alekshop: 2011 135i Dyno Results - Base Line
  161. For all you Do it yourselfers
  162. berk muffler delete
  163. AccessPORT Finally installed...
  164. Another happy Berk exhaust customer
  165. I'm exhaust retarded - Help!
  166. Moaning Noise coming from N54 Engine (On and off...) What could it be??
  167. BMW Performance Exhaust with OEM Diffuser
  168. Cobb AccessPORT data log - BOOST
  169. Heat from Engine going to the Steering Wheel
  170. 135 Engine Whistle/Whine
  171. Down Pipes???2011
  172. Oil Temp - What is normal?
  173. 135i Wagner FMIC
  174. Took My 135i to the Dyno - Mustang Dynometer
  175. ***Dylan’s Donation Drive – Win an AccessPORT!***
  176. n55 Procede v5 update
  177. N55 overheating problem solved?
  178. Need link to upgraded internals please
  179. Get 80 hp Selling MY Turbo Tuner 2 AFE EXHAUST INTAKE THROTTLE BODY SPACER
  180. why is there big dips in so many n55 dynos?!?....answer inside
  181. Non-catted exhaust liveable?
  182. Anyone recently order the BMW Performance Exhaust? Back Order til Apr 2011?
  183. Performance short shifter
  184. Firmware Update for All BMW AccessPORTs
  185. Basic Modification Stages
  186. Where can I buy this exhaust?
  187. So... Stock 6MT N54 335i = Procede N55 DCT 135?
  188. JB3 map 6 down pipe fix codes
  189. New JB4 Firmware and Software Update!
  190. Software update review
  191. 335i intercooler for N55
  192. Anyone Tried LSD Install Themselve???
  193. Boost Spike
  194. Recommended Mods to run Map 7 on JB4
  195. RaceLand Downpipes?
  196. dinan stage 1
  197. Battery charger for reflash
  198. Quick JB4 Review
  199. Winter Modding Begins and cant wait for spring!
  200. Buying an Alpine White 135i this week.
  201. Throwing some codes (tuning related)
  202. NEED HELP - Procede V5
  203. Exhaust Drone
  204. Nice exhaust video
  205. Black Tip Rogue Engineering 135 DMS Exhaust
  206. I think I want an exhaust
  207. Stock DP minus cat-back sound? n55
  208. N55 jb3 pulls on video
  209. Low oil top up.. What are the disadvantages?
  210. Anyone know where I can buy the stock Black Tips? + 1 other exhaust ?
  211. Is the inside performance exhaust available in the US?
  212. Cobb AccessPORT ECU Flash Tuner
  213. Question for those who have intake scoops / aFe Dry filter
  214. High Mileage 135i's?
  215. smell the clutch
  216. From JB3 to Cobb...my seat of the pants dyno
  217. 12 weeks so far no car european delivery!
  218. JB+ reliability and codes at max
  219. Clutch bleeding after CDV delete
  220. DCT clatter at idle?
  221. InJen Technology: teaser for N55
  222. Chip Battle (GIAC / PROcede / JuiceBox / COBB)
  223. ANOTHER TEAM FSH PROJECT 135i ABOUT TO START/**********S
  224. N55 JB3 Dyno Videos
  225. Stock DCT dyno results and vid
  226. WTB - BMW Performance exhaust
  227. Still Learning...But I was Curious...
  228. Relationship between HP at the crank and at the wheels?
  229. sprint booster
  230. HPFP Petition GTFIH
  231. GIAC vs ESS flash
  232. N55 - iCarbon Catless DP Roll Call
  233. How about air intakes?
  234. Best Intake For 135i N54
  235. Choosing the most badass exhaust...
  236. n55 with Hartge exhaust, AR catless downpipe
  237. Any midpipe with Berk exhaust??
  238. PROCEDE Dyno Results
  239. Another COBB AP question
  240. N55 AR Design DP 60-100 video before and after
  241. JB4 2/1 Firmware posted - Preliminary AutoTuning Active (Map5)
  242. 2011 clutch problem
  243. 135i Exhaust Sound Clips...
  244. downpipe question
  245. Air Scoops Question!
  246. 2011 135 oil cooler?
  247. How do you improve performance on the N54 without making it noisier?
  248. GIAC S2 booked in - what to expect ?
  249. 2008 135i HFFP- My experience aka "Beating the Dead Horse"
  250. 3rd Gear to 4th