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


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  1. Help! Aftermarket FMIC/ Forge or HPF
  2. Loudness - BMW PE vs Eisenmann
  3. bov that increases performance in many ways
  4. Step 1ers with JB3
  5. Another DV question, But different!!!!!
  6. audible BANG from exhaust on cold start...
  7. MFest 2010 Las Vegas Motor Speedway - THE HPF TURBO BMW M3 EXPERIENCE - VIDEO
  8. Check out this intake system
  9. How fast is too fast?
  10. Trouble: Errors during the install of UUC SSK that may cause SLOPPINESS
  11. E82 135i wheel fitment..
  12. Steptronic rev limit
  13. JB+ Adaption Question - INSTALLED!
  14. BOV's. Bad for the N54?
  15. Power = weather related???
  16. TiAL Turbo Upgrade
  17. DSSR
  18. BMW you kinda suck
  19. aFe performance air filter
  20. Dyno dynamics read low?
  21. JB3 usb datalog cable to glovebox
  22. Dinan exhaust pic installed: does this look right
  23. list your performance mods in order
  24. Suggestions for mods & R-compounds?
  25. slight emergency, lost bit underneath ECU compartment
  26. Vishnu Methonal Kit 135i Specfic DIY/Review
  27. Exhaust for under 1000
  28. Oily Symptoms
  29. Mohawk fuel and Octane Question
  30. tire squeal
  31. Installed JB3 + BMS DCI + P3 Vent Gauge
  32. JB+ question
  33. N55 anti-tuner protection
  34. Quick BMS Dual Cone Intake Review
  35. Any trimming for the HPF FMIC?
  36. Worlds first N55 datalogs!
  37. Where did Maddad go?
  38. Midpipes and warranty?
  39. Power Performance Kit 'with FMC'
  40. Part Number
  41. Catless Downpipes
  42. N55 versus N54 Dynos
  43. My Comprehensive Review of the JuiceBox3.
  44. Vibration with tune under load
  45. JB+ Vs Stock Dyno Results
  46. Going in for a scheduled oil change, take out JB3 or leave at Map 0?
  47. Dyno Question
  48. Offical Horsepower Freaks Product Update Thread By: Lutz Performance
  49. 135i stock exhaust mod
  50. Advice needed!
  51. PPK and PROcede
  52. How much Power?
  53. HPF FMIC
  54. Macht Schnell Dp's and Agency Power Midpipe dont work together
  55. Should I service my tranny?
  56. Solenoid Bypass!!
  57. OCC - BHS / AR Input - USER comments sought
  58. This cant be good
  59. The official BMW Performance Power Kit
  60. Octane Boosters
  61. Something was disconnected for a while after OCC install, what is it?
  62. HPFP = FMIC Delay? Thoughts PLEASE!
  63. Just got a closed cf intake!
  64. Macht Schnell – Stage 1 Intake Charge Kit for e8x 135i
  65. ER Charge Pipe/TIAL BOV Fitting Question...
  66. Intake
  67. Can JB3 boost value indicate horsepower?
  68. BMW SSK for N55
  69. Me Want More Power
  70. Update: software fix for hpfp problems
  71. cpe FMIC
  72. Possible in-house recall for HPFP!
  73. Can a bov damage the 1 with a stock boost?
  74. Are any of these 'tuner' fault codes?
  75. Dinan Stage 2 Review
  76. software update-impressions
  77. AFE, Injen or BMS Intake...
  78. Exhaust - Performance, Sound, Price or All of the Above?
  79. Red Service Light
  80. Resonators instead of secondary cats? Noise cancelling?
  81. Riss Racing
  82. JB3 and SES light question
  83. Joining the JB3 Fraternity
  84. A Few Things to consider before buying the Dinan CAI
  85. UUC to BMW SSK
  86. Midpipes, midpipes, midpipes...
  87. Murdered Black MJB+ Dyno!!
  88. Meisterschaft GT.... drone?
  89. JB3 Install, Impressions, and Dyno Results
  90. Upgrade Software to Fix HPFP?
  91. Exclamation Point!!!!!!
  92. N55 exhaust system part numbers...
  93. Quick Question
  94. Anyone heard or have clips of N55 with Performance Exhaust?
  95. First N55 Tuned Dynos - Still BETA and only STAGE-1!!
  96. How to get that v8 sound but....
  97. Dyno Test
  98. 135i total conversion
  99. N55 Faster than N54? And handles better?
  100. BMW tune question
  101. Are 2x 2.25" resonators in place of the secondary cats a good idea?
  102. Is there a oil dipstick on the N55 ?
  103. 135i air box vs 335i
  104. N55 Turbo Engine Sound
  105. quickest 135i on 19's?
  106. Picking up a JB+
  107. Limp Mode and a couple of faults - JB3
  108. Question... FMIC + Dinan Stage 2?
  109. My Dyno results
  110. Dinan Intercooler Install?
  111. BMW Perf Exhaust + AR Dowpipes Sound Clip
  112. JB3 In Comparison to JB+ With No Mods
  113. Dinan stage 2 question
  114. Installing Maddad Whisper v2 Tonight
  115. BMW 135i w/Dinan Stage 2 vs. Dinan Stage 3 Upgrade
  116. Recommendations please.
  117. Good Midpipes?
  118. N54 Best Quad Exhaust
  119. ER Chargepipe/BOV assembly?
  120. K&N DCI
  121. K&N DCI
  122. why do bmw performance exhaust, cutout the midpipe-resonator unevenly?
  123. How to see if car stand different octane rating ?
  124. Can a Step trans with JB3 or Dinan Stage2, Vishnu tune handle the hp/tq
  125. Downpipes and warranty concerns
  126. installed jb+ and dci's....couple of questions
  127. added quaife lsd and berk exhaust from hp
  128. Oil Maintenance counter thingy stuck??
  129. Bms Dual Cone Intake Questions
  130. Berk full street exhaust
  131. Do all 2011 135i's have the N55 motor?
  132. JB3 vs JB+ vs Stock Dyno Results!
  133. Does the DCT in the 2011 135i use right paddle to upshift and left to downshift?
  134. JB3 question
  135. Will This Intake Fit With the Performance Power Kit?
  136. New aFe Intake?
  137. New turbo noises? Extraloud whoosh.
  138. Performance Exhaust Review
  139. New Mods - Teaser
  140. My 4th gear!
  141. Ets Fmic Review!!!!
  142. meth or intercooler
  143. Can we all come to a consensus as to what aftermarket parts will work on a 2011?
  144. AFE Intake - Stay well clear!
  145. JB3 limp mode :(
  146. To install JB3 without BT Or not to....
  147. Short Shift Kit
  148. Hesitation under hard acceleration - Dinan S2
  149. Stett Charge Pipe and DDV or RR and DDV
  150. colling mist meth elbow
  151. Check engine light after afe intake and SSTT install
  152. Does exhaust decrease gas mileage?
  153. Does anyone know the size of the turbo in the N55?
  154. For those with the performance exhaust:
  155. PROcede at the track (11.7 @ 117MPH) - 6MT
  156. JB3 or not?
  157. Berk Axle-back install: Help me idiot proof my install
  158. Detailed JB3 2.0 Review
  159. JB3's REAL customer service
  160. BMW Performance Exhaust Pop noise
  161. CP Engineering Downpipes/Exhaust Install Leaks/Knocks
  162. Gear shifting
  163. PROcede tuned 135i 12.44@111.23
  164. New Tune Only Record: 12.038 @ 115.55mph
  165. Diff cover upgrade
  166. whats the difference?
  167. BMW Performance Exhaust include header?
  168. Help codes ?
  169. TPS logging with BT
  170. What about dual exhaust for the 135i!
  171. Any manufacturer out there make a black FMIC?
  172. DCI v. Stock Airbox
  173. Severely reduced power with no CEL
  174. Race Gas
  175. n55 tune?
  176. HPF FMIC
  177. Question for the Experts ?
  178. jb3 2.0 tuning cable
  179. Stett Charge Pipe w/ Tial BOV
  180. JB3 installation???
  181. Finally a OBD2 flash at home solution for the N54 (&N52)!!
  182. can someone tell me
  183. Street Legal to run 1 pair of secondary cats and no primary?
  184. Dinan S2 on Mustang Dyno 514hp 480tq!!!
  185. My 135i (N54) has lost its turbos.
  186. unitedBMWonline - BMW Power Kit MSD80 Install, first in the US
  187. AA axelback: slight vibration/rattle?
  188. random long cranks
  189. Intercooler install with no cutting?
  190. Downpipes
  191. Who's got N55 performance parts on the way?
  192. BMW Performance Exhaust
  193. For all you on Dinan stage !!
  194. BMS DCI
  195. Long Crank at 1400 miles
  196. Dinan Stage 1
  197. Can I get the power of JB+ without the lag?
  198. Dinan Stage 3
  199. Berk Muffler Delete
  200. Active Autowerke 135 Signature Exhaust featured on iHeartAuto
  201. What are these fault codes / are they caused by the JB or HPFP?
  202. exhaust question???
  203. intercooler stencil paint question
  204. ETS Intercooler install (with instructions)
  205. Custom 135i Quad Exhaust
  206. $200 to spend....what to buy
  207. Just installed Dinan CAI, exhaust and oil cooler
  208. DIY DCI Question
  209. Eng issue - thoughts?
  210. Bav scan tool
  211. thought JB+ would be conservative, still got limp mode?!?
  212. Coolant level
  213. Project 2011 BMW 135I Begins
  214. OEM BMW Performance Carbon Fibre Strut for the 135i
  215. AA charge pipe and bov +meth
  216. Lost 8mm machine bolt
  217. Stett charge pipe BOV and cold air intake
  218. N55 power adders wanted....
  219. Finally did it -- ordered a JB+
  220. Thoughts on Hartge Quads and difuser?
  221. Things You May Not Know About BMW's N55 Engine
  222. What's In My ECU Box?!
  223. Dinan Stage 2 with JB+ Performance
  224. Water injection and Dinan flash
  225. RR DPback exhaust?
  226. N54 and 55 motors operate lean!
  227. AFE Intake yay or nay???
  228. 3 reasons why you need a Quaife limited slip diff...
  229. Synapse Synchronic or HKS SSQV
  230. Vendors: Any N55 Intake system in works?
  231. Any JB+ dyno charts out there?
  232. n55 double vanos and valvetronic tune?
  233. N55 intake
  234. Does anybody make a charge pipe for a Greddy BOV?
  235. What's the easiest way to see if the dealer flashed over my Dinan software?
  236. Stock clutch limits...
  237. HPFP: Does dealership always try a software fix first?
  238. JB3 v2.0 Map 3 versus Stock Dyno
  239. locking and un-locking
  240. Back to stock, but intake?
  241. N55 Intercooler Kits
  242. N55 Downpipes
  243. 28.xx software benefits?
  244. n55 engine tune maybe....?
  245. CEL on then off......HPFP?
  246. Help! 135/Dinan engine issue
  247. My Dyno Resuls: 400 Club
  248. Clutch pedal "CREAK"
  249. BMW Perfomance Power Kit
  250. Just Installed JB3