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View Full Version : N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i


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  1. Shuddering on slow down at highway speeds, not braking
  2. BMS 2-step NLS issue...
  3. What to run on jb4
  4. oil leak
  5. RB dyno results
  6. JB+ and COBB's Accessport V3
  7. should i stack??
  8. All the horsepower
  9. Pretty sure i know the diameter... but just before i click buy. Please confirm
  10. Mixture Control Codes 29E0 and 29E1
  11. Quaife Install Question
  12. fried ecu with Procede install error?
  13. ProRace Tools - Data Log Reader
  14. 2009 335i 89k miles
  15. Brakes
  16. Second owner of Jb4. Need help
  17. Vacuum pump for wastegate adjustment.
  18. Maintenance 45K
  19. 6MT post-Shift bog
  20. N54 engine light and rough idle
  21. Steering wheel angle sensor
  22. Muffler Delete
  23. MagnaFlow Mufflers?
  24. Cobb Tuning
  25. COBB Selftuned 335is Traps 120+ in 1/4 Mile
  26. Quick Question exhaust flow?
  27. jb4 map 5 throws code and shudders after WOT
  28. MOTIV Motorsports - Introduction & Information
  29. RB TURBO question
  30. Gas Mileage! (Yes another thread)
  31. proTUNING Freaks Update
  32. For all those who have done the "PE Mod"...
  33. How to diagnose injector failure
  34. Smoking,but no oil lose
  35. Estimate of my awhp and awtq?
  36. VRSF catless down pipes PA emissions?
  37. BQ Tuning by WedgePerformance - 444.5 whp 508 wtq
  38. Help! Walnut blasting sandblaster failure
  39. RB Track Night The Good The Bad The Ugly
  40. Had my secondary cats removed and it sounds like crap
  41. Procede Rev3 Issues
  42. 0DA7 Fault code
  43. Help needing jb4 updated
  44. New Spec Clutch, Weird Sound
  45. Car Battery Died Just After My Tune Finished
  46. New oem turbos or Vargas oem?
  47. BQ Tuning by WedgePerformance - Announcement
  48. 335is won't launch
  49. FFTEC Single Turbo Kit, LOOK OUT!
  50. jb4 help
  51. Great deal on coils and plugs
  52. RB's 2.0.....Vargas 2.5??
  53. Turbo Siren
  54. Auxiliary Radiator based on the PPK
  55. Glow Ignition (superknock) Codes Driving me Crazy!
  56. Suspected blown turbo.
  57. Misfire and Low RPM Idle
  58. Would adding some E85 to regular gas get rid of my timing drops?
  59. Cobb personal opinions
  60. fftec vff900 kit
  61. ER cp + HKS bov pricing help
  62. Monitors won't set!!
  63. Carbon Cleaning Tampa Area
  64. Can OFT do battery registration
  65. HPFP Part Number Newest?
  66. Car's running great, but recalled for fuel pump
  67. Burning Rubber Smell after driving a few miles
  68. few reasons why to get "Fuel it" walbro kit
  69. PTF FTW!
  70. N54 Dyno Results :: JB4 + DCI
  71. E85 and Meth
  72. IS exhaust?
  73. Flex Fuel sensor with COBB?
  74. JB4 for N54 engine
  75. Power Steering Belt Help
  76. charge pipe question
  77. Single Turbo - 335is - DCT Trans
  78. is my JB4 and Alpina Flash causing issues?
  79. HELP! n54 engine power loss
  80. Need 2007 or 2008 335i 6sp for Shift Rod Testing - FREE PARTS
  81. datalog
  82. Vacuum questions.
  83. Help! 335i not starting after DME work
  84. Stealth meth reservoir
  85. BQ Tuning by WedgePerformance - Data Logs
  86. Help! 335i Multiple Dealer Repairs
  87. Boost over target help!
  88. problem after fitting charge pipe
  89. Where do I find the step-by-step Engine removal procedure 2010 335xi?
  90. Any updates to the VTT Stage 2+
  91. clutch replacement info?
  92. Datazap logs, RBs + full e85 stock hpfp 455 in tank PLUS meth
  93. E30 log. Corrections on all cylinders.
  94. Exhaust Help !?!
  95. JB4 PnP installed! Great product!
  96. Weird sputtering idle randomly
  97. TMAP sensor did the trick, thank you WedgePerformance for the help out
  98. O2 error code
  99. When do you guys start meth flow? And are my meth settings correct?
  100. Stock Exhaust bracket on aftermarket piping?
  101. Misfire issue
  102. 20.2 PSI boost on Cobb Stage 2 Aggressive?
  103. Cleaning intake valves
  104. anyone saw this charge pipe bov before ?
  105. BQ Tuning by WedgePerformance- 1/4 Mile
  106. electronic Exhaust Cutouts?
  107. Wastegate Rattle or Exhaust Rattle?
  108. INA0S ROM
  109. Hard Jerk from 2nd to 3rd in Auto Transmission
  110. 30EF issue
  111. Need Shop for LSD Install In Northern California
  112. Butt HP
  113. Thoughts on "golf tee mod" unplugging
  114. CEL light for catless downpipes with JB4
  115. Side effects from running x-kitty 24/7 ?
  116. Oil Catch Can
  117. Bought a 3.46, got a 3.08..
  118. Update to my misfire issue (2 months later)
  119. Dinan Stage 2 versus Cobb Sport
  120. Cobb V2 from 08 535 xi - will it fit 335?
  121. Low boost, fault codes 30FF and 2C7B, related?
  122. Let's Talk Downpipes...
  123. No LPFP sensor on Z4 35i. What does this mean?
  124. A roaring exhaust
  125. 335is Godzilla E60 Map Stock Turbos - COBB
  126. BQ Tuning by WedgePerformance - Stock Turbo World Record
  127. Quick kickdown question
  128. Wrapping DP's
  129. RB Turbo - 1/4 ET 11.2 @ 123-125mph
  130. Lost control hit curb cracked subframe!!!! Help please (with pictures)
  131. Noise at Higher RPMs, Not Wastegate.
  132. RPM rising to 750??
  133. Smg tranny swap in E90 335i
  134. Console setup
  135. Spark plug arm broke off in cylinder
  136. Great News for the DCT! Vargas & Dodson Partnership
  137. LSD Install Questions
  138. Why is Boost so low?
  139. "Compound Boost" - A Supercharged and Bi-Turbocharged N54?
  140. Vrsf v2 downpipes clearence issue?
  141. JB4 2-step/NLS install problem
  142. Bad dme what are my option?
  143. Halloween Party at the Shop. (tuned)
  144. JB4 Wastegate Rattle
  145. Cylinder #2 carbon fouled plug x 3
  146. Stock vs. JB4 map 2 Dyno
  147. Active Autowerke Strut Bar - worth it??
  148. Leak from solenoid (BMS Meth kit)
  149. Misfire = no turbos?
  150. Charcoal filter delete and silencer removal mod on N54?
  151. Service Engine Soon after installing oil catch can and RBturbo pcv valve
  152. Clutch might be slipping?
  153. BQ Tuning by WedgePerformance-335XI 1/4 Mile Record?
  154. Looking for pics of ER black ano FMIC installed on a BMW
  155. What is this?
  156. Cobb users who switch maps from reg. to E30 - do u get P2AAF (Fuel Pump) codes?
  157. VIDEO, Several issues help diagnose
  158. Intake Cone cleaning
  159. proTUNING Freaks - New website
  160. JB4 users: I have a gauge hijack question
  161. Car won't start and is not responding
  162. Intercooler 5 or 7 inch??????????
  163. Cobb AP questions !
  164. Does 335's come with alternator fuses?
  165. 30FF code-boost leak
  166. MAP Sensors
  167. Code reading jb4
  168. low stock psi?
  169. dp fix for procede
  170. Modifying Exhaust Valve?
  171. VTT Stg 2 Turbo pics!
  172. 2E83 After Waterpump Replacement
  173. Valve cover replacement/ walnut shell blast in prep for new VTT 2+'s
  174. Chargepipe vs. Intake?
  175. ppk 2 radiator?
  176. Swapping Clutch..... on an XI?
  177. Awesome non-FBO tune
  178. 3 dealers later..
  179. P30FF/Cobb E30 map/no leaks/JB still installed
  180. Come All Vendors Come!
  181. Best N54 engine bay pics
  182. Strange timing drop on all cyl
  183. Quick FFTEC Hot Parts Kit Review
  184. 100k Miles Service/Check
  185. help how to close hole on stock charge pipe n54?
  186. P2ABC (Boost pressure sensor, electric) NEW CP MAP sensor, code & limp mode still.
  187. First time Datalogging
  188. LSD and welded ring gear question
  189. Help!!! Boost-be-gone
  190. Clutch/flywheel question
  191. E85 questions...
  192. Hfs-4 with bms FSB & jb4
  193. Cylinder misfires
  194. New Turbos - New Logs
  195. Black Friday Sales??
  196. new oem turbos (break in period?)
  197. Jb4 void CPO?
  198. Cobb - Fuel Trim / O2 diagnostic help please....
  199. 335i xdrive - 12.272 1/4 mile - 93 Octane - FBO / PTF
  200. MOTIV Twin-disk clutch unboxed
  201. E93 Meth trunk set up??
  202. Help with codes please...
  203. A Broken piece of the serpentine belt wrapped around crank pulley
  204. BQ Tuning by WedgePerformance - PreDyno Logs
  205. Wastegate stuck open after first HPDE
  206. N54 Turbos spooling excessively loud
  207. Dyno results - FBO 335i with PTF E-Tune and 93 Oct
  208. X-pipe H-pipe
  209. N54 oil pressure too low light; 2A7C and 3100 codes
  210. Delphi Ign Coil - Boot Stuck
  211. Coolant Leak?
  212. 335i exhaust mod help
  213. BMS Pump flash help!
  214. Map 1 vs Map 2 vs Map 5
  215. HELP! I think my engine is a gonna!! Engine knocking....
  216. Boost Leak? Datazap included
  217. How much for dealer to replace vacuum lines with Turbo replacement?
  218. Cobb E85 Fuel Scaling Questions
  219. Where to start (with mods that is) on a 07 335i?
  220. DCT 335is Official Signs of a Failing Driveshaft
  221. Exhaust sound
  222. New JB4!! Let's talk supporting mods
  223. Best methanol set up ?
  224. Need a real answer, nothing else!
  225. muffler delete question
  226. N54 335i Crackling / Ticking / Knocking Engine
  227. Help me please!!!! ECU bricked
  228. Should I remove the Thermostat by-pass (Oil Cooler) ?
  229. E85, 29F3, and some serious engine malfunctions.
  230. Kicked OBDII port - broken
  231. Heads up to anyone with rough stumble @ startup/idle
  232. N54 jb4 backfire?
  233. Anyone own a Jetta TDI?
  234. Catless downpipes e90
  235. clutch replacement
  236. Aluminum bellhousing bolts... Discontinued?
  237. Stage 2+ shipment begins in earnest
  238. BQ Tuning by WedgePerformance - DynoJet Stock Turbo World Record
  239. Oxygen sensor on DPs
  240. Doing my build-Vargas 2+ this week. Woo hoo
  241. wire colors of Sub D-25 from the JB4 G5
  242. what is this?!
  243. Found NGK 5992 & Bosch stock Plugs Cheap
  244. Akrapovic E93is?
  245. Spec Stage 3+ owners in here
  246. Off the line pull.
  247. Camshaft bearing ledge issue
  248. More Than One Way to Skin a Cat
  249. Installing Fuel Injector Hold Down Bracket
  250. Project Results! E93 N54 335i - PTF E50 Cobb RB Turbo - 1/4 Mile, Dyno, Logs