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


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  1. UUC DSSR, Will it fix my problem?
  2. Downpipes
  3. Lutz Performance Now Has In House Full Fabrication Ability!!
  4. 135i & K&N
  5. Custom tune???
  6. InsideLine Tests and Dynos 535i...
  7. shorter final drive option?
  8. Question about exhaust tips finish
  9. N55 Single Exhaust Options?
  10. Spark Plug replacement
  11. N55 aFe Dry Drop-In Filter
  12. N55 with BMW P. exhaust anyone ???
  13. which oil catch can to buy
  14. Aftermarkect exhaust Burning?
  15. Best place to get JB3
  16. To all those with Agency Power Axelback!!
  17. Installed AMS FMIC.
  18. Dinan Reflash Help....?
  19. Turbo?
  20. N55 sounds like N54+performance exhaust...
  21. riss racing
  22. N54 Stock Dyno numbers!
  23. helix Motorsports| TURBO UPGRADE KIT
  24. am I crazy to consider tune for leased '11 135?
  25. GIAC Stage 2 is out
  26. Short Shifter Kit - N55
  27. A couple of JB3 G4 timing logs!
  28. HPFP sudden failure
  29. ECS Shifter Bushing Kit
  30. procede with bov?
  31. 10 second car?
  32. BMW Performance Exhaust + N55 - cold startup and rev vids! Enjoy :)
  33. which lsd?
  34. procede or jb3
  35. Looking
  36. exhaust spring bolt torque?
  37. 3in exhaust questions..
  38. JB3 question
  39. What's the right map for me ??
  40. best match with aa processsor2 +cp-e IC?
  41. AA Processor 2 + cp-e IC +...
  42. Modified N55 exhaust
  43. N55 HP Autowerks Drop-In Intake Review
  44. FMIC group buy
  45. AA processor 2+....
  46. Berk Technology N55 Street Performance Exhaust Dyno Numbers!!!
  47. 2011 135i - Is the clutch pedal suppose to vibrate slightly at high RPMs?
  48. Bastuck exhaust on N55 135i ?
  49. HPFP replaced even with mods
  50. JB3 vs Swiss Chiptech
  51. Procede n55 dragstrip testing
  52. stupid noob question.. but need to know..
  53. DP fix v1 = SES light
  54. Borla catback
  55. Berk Muffler Delete Axle-Back (with balancer tube)
  56. Quaife or Wavetrac?
  57. Procede v4 Firmware #29
  58. Giac and Dinan for N55
  59. G4 boost control change
  60. BSH OCC still empty??
  61. N55 Procede V4 vs JB3
  62. best place to buy?
  63. GIAC Stage 2... do it!
  64. Mods for a 2011 BMW 135i
  65. keyless ignition?
  66. Video: n55 running 12.3@117.4
  67. Reduced Power but no check engine, no codes?
  68. Quad Pipes Custom?
  69. GIAC Tune Question
  70. need your help guys ..:)
  71. n54 questions!!!
  72. PROCede v4 VS GIAC Stage 1
  73. Determining ECU Type
  74. Pinouts??
  75. Question about LSD
  76. N55 sub-forum
  77. which clutch stop to get?
  78. **********s l New Remus Race / US Sound Exhaust Video Clip on N55 Motor! Great Sound!
  79. 135i HPFP failure!
  80. photos of the HPFP from BMW AG engine model...
  81. Turbo Failure?
  82. N55 downpipe
  83. P3 Boost Gauge install on N55
  84. Steptronic to DCT: Using Manual-Mode Exclusively
  85. Before I drive all the way to my dealer?
  86. MadDad(TM) EuroSport Street Series exhaust /black tips REVIEW
  87. For all your n55 needs
  88. Who has the fastest convertible ??
  89. A lady backed up her suv into my car....
  90. need more BOOST!
  91. How many of you guys have seen/heard the cp-e exhaust?
  92. Crankshaft Pulley
  93. First look at the Rogue Engineering DMS 135i exhaust
  94. N55 downpipe question
  95. Custom Tune Completed :)
  96. Bastuck quad installed!
  97. Synapse BOV Leak / flutter at partial light throttle
  98. Grinding Sounds
  99. BMW Performance Exhaust Piping Size?
  100. Injen DC CAI
  101. Which tuning??
  102. Help me out with bolt ons
  103. Hide ya tunes, hide ya mods, and scan ya cars, cause they updatin everybody out heay!
  104. standback modifications..
  105. N55 exhaust
  106. First 1/4 mile experience
  107. Another KL Racing intercooler on the streets.
  108. Standback 13psi
  109. Burger Tuning safe max boost
  110. Baseline HP & TQ and with these mods?
  111. Catless vs Catted DP's
  112. Which exhaust?
  113. Going in for service
  114. 2011 135 DCT "clutch filling fault" after exhaust install, then trans failed
  115. What is this?
  116. Bimmer meet Dyno Pull - 135i JB+ and Berk Axleback
  117. How Much Boost
  118. 1st Impressions of aFe Axleback Exhaust
  119. How long should it take to install a BMW Performance Exhaust?
  120. WHAT'S HAPPENING AT HPF - Shop Video 10/11/2010
  121. Stett Performance Oil Cooler
  122. New N54 world record!!
  123. Group Buys
  124. N54 Class Action Lawsuit
  125. Agency Power Downpipes
  126. Anyone else on Long Island NY
  127. JB+ Extension Cord
  128. 135i wheels alignment Q
  129. N55 jb3 install
  130. Catless Mid-pipes with stock Axle back
  131. Should I let the dealer update DME?
  132. To JB3 or not to JB3?
  133. Dinan 135i Exhaust
  134. Ethanol in fuel and warranty
  135. Help! New light showing and don't have a clue what it is...not in book
  136. AVG MPG off
  137. N54 HPFP/TURBOS Settlement
  138. 1 M HPFP?
  139. VISHNU Procede
  140. Any issues reinstalling JB3 after dealer ECU update?
  141. Where's the N55 Procede?
  142. Help which charge pipe
  143. Pivot Throttle Controller
  144. First series of dyno runs comparing mods (N54).
  145. plm or raceland
  146. JB3 rough idle at start
  147. cp-e BOV
  148. how widespread are HPFP failures?
  149. Distinguishing b/w N55/N54
  150. First drive with jb3 n55
  151. Just Wondering...
  152. Highest mileage N54/N55?
  153. Some G4 dynos, logs, and videos!!
  154. Dent on new exhaust.. is this normal, or is it a problem?
  155. Stock whp and wtq on 135i
  156. Got some juice today
  157. VERY Disappointing Dinan S2 Cold Start Issue
  158. N52 Head Conversion
  159. Help please - JB3 + Downpipes + Gauge
  160. Bmw performance kit 135i n54
  161. Another HPFP failure???
  162. BMW Performance exhaust on '08 vert?
  163. Installed K&N and MPG decreased...thoughts?
  164. FSH Project Almost Done
  165. turbo spool, or lack of...
  166. First jb3 CEL??
  167. AA VS Bmw performance exhaust
  168. *Confirmed* HPFP failure on my 2011 N55 135i
  169. berk muffler delete short video
  170. AR down pipes on 135i
  171. JB3 135i DCT or C63
  172. LSD or Intercooler / downpipes
  173. 135i Turbo Engine (N54 / N55) *General Questions Thread*
  174. BMW Announces Voluntary N54 Engine (HPFP) and X5 Recall
  175. HPFP recall video
  176. pin out diagram ecu
  177. Strange Question on the N54
  178. stett intake
  179. HPFP replacement with Dinan Intake
  180. What New Performance Parts Are Out For N55
  181. HPF Blows up Transmission At Laguna Seca (GTGP)
  182. ? about BOV/auto tranny performance..
  183. AA Exaust+N55=Pretty awesome
  184. Remus Race Quad Exhaust Diffuser?
  185. 135i lower performance while cold engine?
  186. Hey Guys I Need Some Help
  187. Do tunes contribute to HPFP failures?
  188. New Sound Clip For Famoso 2010
  189. Anybody Have The Active Autowerke Methanol Kit
  190. carbon build up
  191. What BOV to get?
  192. Increased Turbo-Lag with new software confirmed!
  193. n55 Idle
  194. How to tell if it's drone...
  195. Best setting for Straight line performance
  196. HPF 335i Progress
  197. Looking For 135i Exhaust Tips With A Muffler
  198. Where can I buy Simota CF Intake?
  199. service engine soon
  200. First oil change?
  201. Stock Boost Question
  202. Catless DP stock exhaust?
  203. Tell me about your tune?
  204. N55 aFe Dry Pro Filter installed
  205. South Florida (Broward County) Dyno day. Sunday 7th
  206. JB3 G4 Steering Wheel Control Demo!
  207. Half engine light tonight.....
  208. Engine tuner in So Cal?
  209. Flash tunes in Germany…
  210. Want to upgrade turbos!!!!
  211. SuperFlow flow bench testing N55 air box and filters
  212. My ~3 Month Of HPFP model# 933 just failed
  213. My Official N55 JB3 Stage 1 REVIEW
  214. JB3 Problem
  215. dyno'd today in Stuttgart
  216. Can I install only PE rear muffler on N55?
  217. Active Autowerke N54 Performance Software for 135
  218. 135i\E82's running turboback's
  219. Anyone running strait pipes?
  220. So fast it warps light....
  221. N55 135i with catless downpipes VIDEO
  222. weird limp mode, not like past hpfp failures
  223. Whats the highest octane rating I can safely use in my stock N55 engine?
  224. Q: flapper on stock exhaust
  225. Exhaust diferences N54/N55?
  226. iCarbon N55 Downpipe Review
  227. Active Autowerke 135 Downpipe (N54)
  228. BT Tool and BMS CAN tool Differences?
  229. My Dyno experience
  230. performance diff cover with cooling fins and drain plug
  231. BMW warranty fail, any techs out there to help?
  232. 135i Stock exhaust problem. help
  233. The G4 is now officially the JB4 :)
  234. Why Dual mid pipes?
  235. N55 BMW PE Exhaust
  236. New N55's to get a 20Hp boost?
  237. 2011 135/ N55 Tuning
  238. N55 CP-E exhaust
  239. NEWB to JB3?
  240. CX Racing IC parts on the way.....
  241. Methanol Injection??
  242. AR DP's at $575
  243. Im confused... Whats better? N54 vs N55?
  244. 135 n55 chip
  245. Hurry performance or dinan??
  246. My N55 PROcede review!!
  247. JB4 MaxCool mode
  248. High Speed Noise 135DCT
  249. Front 02 sensor is acting up after shop installed down pipes
  250. Procede two thumbs up