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


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  1. PE and N55 Mids Installed
  2. Shifter Bushings
  3. Question about the torque and 6AT...
  4. BMS Intake Filter
  5. Just installed Cobb
  6. How many psi
  7. what is this...?
  8. Will M3 rear subframe bushing correct wheel hop?
  9. SLek Front Lip with Intercooler - will it fit?
  10. Help with next mod
  11. Cleaning oil catch can
  12. Which bov? Install?
  13. Engine Malfunction: Reduced Power
  14. Transmission Fluid...
  15. Fuel Separation
  16. N54 Intercooler
  17. Ar design DP
  18. Catted Hi-Flow DP N55...?
  19. where to get titan tips
  20. 2011 135i Beginners Guide !!!
  21. Fans coming on at cold startup, suddenly?
  22. So is it me or...
  23. Need your opinions on the 62mm single turbo...
  24. Advan Stage 2 oil cooler kit install and review
  25. Fuse 77 - Odd Symptoms
  26. Dinan upgrade!
  27. Dinan Exhaust
  28. Chargepipe Upgrade Worth It
  29. Engine code diagnosis???
  30. Off center BMW Performance SSK - Is this normal?
  31. Is it possible to jb4 a 2010 135i
  32. Preparing for new build!
  33. Ark Performance DTS Exhaust Review
  34. N54 downpipes
  35. Considering buying a exhaust system.
  36. ABS+Brake+TCS (orange) cluster.
  37. Exhaust Combinations
  38. After market clutch.
  39. N55 Engine Diagram
  40. PPK + FBO Dyno run
  41. BMW PPK N55 tune
  42. N55 Catless DP CEL Fix
  43. Berk Race vs Berk Street + Video.
  44. Noob here!!!
  45. How satisfy are you with Eisenmann Race?
  46. Intake scoops
  47. M3 DCT paddles questions
  48. 135 vs 535
  49. CP-e Catless DP Fix
  50. Meth/Snow performance
  51. Active catless DP
  52. Name this exhaust!
  53. Need Opinion: Eisenmann Race vs Hartge Quad Exhaust
  54. Removing the Rear Exhaust Section ...And Driving???
  55. COBB AP installed! So sweet.
  56. Need Help: Where to Buy Meisterschaft Exhaust
  57. N54 engine cover part number?
  58. Stuttering
  59. Battery replacement isn't cheap
  60. FUEL HELP.
  61. Berk Exhaust Group Buy
  62. For all of you asking about loud exhausts lately...
  63. VRSF FMIC install 135i HALP!
  64. CEL and a bunch of codes....
  65. SES vs CEL
  66. Exhaust sizes for N55? 2.5"? 3? 4?
  67. Dyno Run, any suggestions?
  68. Need Help: Best DP for N55
  69. CDV Delete necessary on post 2011 makes?
  70. What's available for throttle mapping adjustments?
  71. Jb4 & Active Catless DP
  72. BMS DCI's and OCC installed, what a PITA!
  73. Check Engine Light Shaking w/ no power Need HELP!!
  74. log help.
  75. Axel back install surprise...
  76. Did this ever happen to you?
  77. 135i N54 Recalls
  78. Switch from Eisenmann Quad Race to Berk race exhaust?
  79. Fixing boost overshoots in ATR
  80. N55 5" CPE Downpipe Dyno
  81. Active Autowerke Catless DP + Signature Exhaust
  82. Stett Chargepipe install concerns
  83. at a dead end and don't know what to do
  84. How much timing correction is too much?
  85. Berk street exhaust instead of oem performance?
  86. Word to the wise on E85
  87. Code Active Exhaust Valve
  88. 172 mile 3 yr old 135i!
  89. Got Wheels Painted Now Serive Engine Lite On!!!
  90. e85 Question
  91. Limp mode?
  92. Tech question on N55 DCT owners
  93. ISO Question
  94. Occasional very rough idle at startup followed by lack of power...fuel pump?
  95. Custom map6 question...
  96. Exhaust Question?
  97. JB4 problem(Big problem)...
  98. Need Info on Exhaust Setup - Custom/Dinan
  99. N55 DCT less responsive, slower gear changes after Sirius Radio install
  100. Best BOV
  101. A little gift from the Mod Gods
  102. DMH low profile exhaust cutout - split costs?
  103. Huge Favor - Please Help
  104. Trying to find - 08 135i, manual, no idrive with Cobb
  105. High Frequency sound inside cabin after Berk Exhaust Install
  106. Strange cooling fan noise - Video
  107. Log Masters! CoBB Help!
  108. FBO?
  109. DIY installing N55 mid pipes on a N54...
  110. How To Tell If Wastegates Are Rattling?
  111. Cobb Accessport Data Logs
  112. Cobb Timing correction
  113. PE/N55 Mids Sound Clip Request
  114. COBB = Exellent service
  115. Heat from under the car
  116. G5 iso...
  117. (N55) Cobb vs. PROcede
  118. Cobb stage 2 requirements
  119. Engine Number
  120. Cobb - intake required for stage 2
  121. Check Engine Light- Reduced Power
  122. afew shakes even though I've don't it all
  123. Ambergones DIY
  124. restrictive catback?!?
  125. Just another DP Thread
  126. Too loud?
  127. 30k spark plugs, to Bosch ZGR6STE2 (big pic warning)
  128. JB4 factory turbo E85 dyno testing: 450whp
  129. Code P30FF and loss of boost
  130. BMW performance exhaust.
  131. Missfires without codes?
  132. Will u change your car?
  133. Annoying 30FF - Low pressure side - Any input welcome
  134. JB4 -Misfire with Map 2 only?
  135. Black smoke?
  136. Oil issues
  137. Preferred Chargepipe
  138. Feeler: Intake scoop block plate for e8x cars
  139. Can anybody help? How do I remove this panel to get to the coils/plugs. Have a pic
  140. Drop in filter vs new intake
  141. Sooting Up
  142. 2A82 Inlet VANOS error code
  143. Mechanical Boost Gauge Fomr The Throttle Body Space
  144. Overheating N54..Water Pump Failure?
  145. Exhaust Gaskets
  146. N55 Cobb vs JB4
  147. 135i PE on 128i
  148. I know I know I know
  149. N55 P-Code
  150. N55 downpipe
  151. DP diameter - bigger is better?
  152. UUC SSK and DSSR problems.....
  153. Idle Control Valve
  154. Calling all Cobb E30 Dyno Results
  155. New Spark Plugs & Coils Prior to installing COBB
  156. 135i n54 custom race exhaust, very loud(vid)
  157. disappointing dyno
  158. COBB 1M stock map on 135i
  159. N55 non-oem exhaust w/ flapper valve used?
  160. BERK Technology exhaust
  161. HPFP questions
  162. 135i Exhaust on 128i
  163. Did I get burned?
  164. Cobb Stage 1+ FMIC
  165. N55 Short Shifter's
  166. How much boost in reverse ?
  167. Testing my new stg 3 set up
  168. Oil Found In Intercooler
  169. 08 135i streetable build!
  170. What size is a meth plug?
  171. Maddad Whisper Installed
  172. Just Installed Riss Racing Exhaust
  173. Vishnu/FFTEC N54 Single Turbo System on the 135i?!?
  174. Cobb limit boost when oil cold?
  175. Giac Is A More Reliable Tune Than Cobb & JB4 ??
  176. Intake question
  177. Calling all Quaife ATB LSD guys
  178. Made RPI exhaust sound clip
  179. Megan Racing Quad Exhaust
  180. Last moments with the 135i.. Final thoughts
  181. VAC stage3 ported heads
  182. Is this a window regulator?
  183. Cobb and E85 Mixtures
  184. Cobb Stage 1+ Aggressive ST with AT
  185. P2D43 & P2C57 Codes
  186. HP Autowerks || Rogue Engineering Upgraded Transmission Mounts
  187. Oops.
  188. COBB Releases BMW FMIC and N55 Downpipe!
  189. Inspection time with Vishnu
  190. Clutch !?
  191. Is The OEM Performance Exhaust Considered an Upgrade ??
  192. How long do coils last?
  193. JZW- Ecu stg 4 makes 447whp
  194. Alpina B3 transmission flash
  195. BMW Performance Exhaust???
  196. 6AT torque capacity...?
  197. JB4 Part Question
  198. Anyone install a Walbro 400 or 455 LPFP for use e85?
  199. Runway videos!
  200. Walnut Blasting in SoFlo
  201. P3 boost gauge readings help
  202. bms dual cone intake
  203. sludge under oil filler cap
  204. Meth line connetor won't stop leaking!
  205. Spark Plugs, Intake, ECS brakes, Oil Change, Coolmist ECT.....
  206. One hell of a month...
  207. Review/Introduction: ARK Performance exhaust for 135i
  208. JB4 vs DP fix debate
  209. Looking for feedback on some N55 mods
  210. VRSF 5" FMIC on n55?
  211. dct tranny and idle problems
  212. JB4 log
  213. aFe Power Magnum Force Stage-2 Si Intake N55
  214. Cobb Stage 1 Agressive Log
  215. Oil Filter Housing Assembly Question
  216. n55 jb4 mid-install help!
  217. 29CE, 29E0 & 29E1 Error Codes
  218. general dyno questions
  219. Occasional White Smoke...
  220. info on decat please
  221. Carbon build up water injection
  222. Active Autowerk Charge pipe help
  223. E30 holding great timing !
  224. N55 BMS Intake cold start noise
  225. PPC for BMW cars now ready !
  226. Looking for FMIC and down pipe suggestions
  227. BMW Performance Exhaust + N55 Mids is Enough to go Stage 2 ??
  228. Walnut Blast Turned Into Complete Motor Replacement....
  229. P3 Gauge?
  230. 135i ticking noise
  231. Compressor Surge - Spring Rate?
  232. N55 BMW PE and 3.5in DP (Video Inside)
  233. 1M FMIC vs 135I FMIC ??
  234. Just installed n55 stage 2 JB4 - Some questions..
  235. In major need of help with my n54 stock airbox issue!
  236. my new dual intake setup
  237. 572WHP 537WTQ - ACN 91 Octane, no meth - VTT Stage 3 Early Dynos PTF / COBB Protune
  238. N54 Vs N55
  239. Advice on maps for N55 JB4
  240. 135i Dual Clutch or Manual Transmission?
  241. lowering questions
  242. Any way to use jb4 for gauge hi-jacking only?
  243. P3Cars vent gauge not fully functional with JB4(G5) tune
  244. Burger chip for N55 135i Stage 1 worth it?
  245. Active Autowerke N54 Downpipes review
  246. Turbo Size in mm
  247. Berk Full Sport Exhaust vs HPF Resonated
  248. BrenTuning Stage 1+ Aggressive
  249. Dinan Exhaust???
  250. Does the 135's PE sound like the 335's PE?