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


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  1. 2A82 vanos code issue
  2. Overheating after new thermostat + water pump - No codes: How to diagnose?
  3. Water pump on ramps
  4. Why is my stock exhaust 335is so damn loud?
  5. no start 335i.
  6. Another No Boost Problem
  7. Occasional Cylinder 5 Misfire on high speed
  8. Megan Supremo M3 exh on e92 335i?
  9. Autocross woes
  10. Turbo oil feed O-rings
  11. More Error codes
  12. 2caa and 2ca6 fault codes
  13. How is called this exhaust sound ? (Not wastegate rattle but sounds similar)
  14. docrace single turbo installing question?
  15. n54 29DC 2AAF Codes Limp Mode LOGS
  16. Is there a smooth map in MHD?
  17. Steptronic replacement help!!!!!!
  18. Is something wrong with my car?
  19. Can you identify the size of these inejectors?
  20. Help motor
  21. Are Amazon 4 JackPad Replacement good to buy?
  22. CLUTCH Recommendation Needed
  23. [N54] Hard plastic line in front of the stock intake
  24. Boost Leak from BMS charge pipe.
  25. new turbos needed
  26. Fuel line cracked, good customer service from Precision Raceworks
  27. MHD N54 Low Boost Target / Timing Pulls? (Logs Attatched)
  28. Fueling Issue? Rough Cold Start - Log Attached
  29. Rough idle on start up/misfires. 07 335i
  30. Could it be my HPFP?
  31. Long Term Storage
  32. Popped my charge pipe
  33. n54 sounds like party whistle under boost
  34. MHD Stage 2 335is not passing NC inspection
  35. Found a thing in my engine!! Help!
  36. Blew my diff, why to replace?
  37. 30ff noob
  38. This F-ing Car!!
  39. TCU backup file location for xHP flash (iOS)
  40. Torque spec flywheel to torque converter?
  41. Exhaust flange cad file
  42. Car starting then dying
  43. Exhaust Gaskets
  44. Tons of smoke coming from engine, ETA: rod smashed through piston :(
  45. Jb4 log
  46. Shaking On Idle
  47. Rb replacements to Ones, worth it?
  48. Help! Stripped my PCV Valve cap
  49. 93 Octane Upgraded Turbos Realistic Figures?
  50. Problems after starter replacement
  51. 335i low coolant warning but not low coolant
  52. AWD rod bearing access tips
  53. Connecting rod bearing selection
  54. Overheated after long drive from LA to vegas Help!!!
  55. N54 335i DME flash issues
  56. Coding needed for used transmission?
  57. N54 Smoking Issue
  58. C clip from recovery hose
  59. best way to go about replacing a single rod
  60. Codes and concerns. [Please Help]
  61. ACL rod bearings
  62. Engine died durring a drive, some electrical problem...HELP
  63. Help! Electrical malfunction car dead....
  64. Manual gearbox question
  65. N54 cold start sound
  66. Need help 2007 N54 cylinder 6 super knocking
  67. Blow by oil smell after pcv upgrade.
  68. Codes for Bank 2 O2, but issues with bank 1
  69. Another 335, another o2 sensor problem
  70. New engine, or pay for engine work
  71. N54 Cranks but won't start
  72. COBB drop in air filter worth it?
  73. Budget N54 ST manifolds
  74. Radiator question
  75. Getting 335xi ready for AWD dyno run
  76. Help indentify electrical connectors
  77. Old Mods...what is new?
  78. Single turbo reliability
  79. Stock intake swiss cheese mod
  80. Built AT or DCT Swap?
  81. Is this an oil pan or rear main issue
  82. Fuel pump issues
  83. WTB 8 bolt n54 Portland Or area
  84. Squeak after hard acceleration
  85. Engine swap - No start - Multiple codes - Solved
  86. Fuel smell in oil??
  87. Manual Transmission Won’t Go Into Gear
  88. What happened to this spark plug?
  89. Crank Pulley and Timing
  90. What are my options to increase fuel rail pressure?
  91. Running mhd stage 2+ for winter w/ no fmic?
  92. Stolen recovered 335i won't rev past 2k RPM
  93. N54 smoking issue. Please help!!!
  94. Exhaust Fitment Advice
  95. Need help identifying "genuine" index 12 injectors
  96. Replacing turbos-What else to do while in there?
  97. Smallest turbo to hit 500whp on pump gas
  98. Weird noise at 2000-3000 rpm
  99. Front crank seal seepage?
  100. About to install new engine, tips?
  101. Who has swapped their N54 for an LS? More info please!!
  102. 335is fuse panel
  103. N54 30ff code please help
  104. JB4 +mhd BEF Car feels slower than it should be
  105. E92 335xi
  106. Largest oil cooler behind kidneys?
  107. SES light after cat back install
  108. E92 335xi Remus race exhaust
  109. E92 335xi Emissions question
  110. Help with identification
  111. Random gasket after ofhg replacement
  112. Leaking valve cover???
  113. Upgraded turbos on 335is clutch
  114. Exhaust Burble on ST 335
  115. Cheap Diverter Valve option
  116. Arm 7" fmic
  117. Limp Mode.
  118. Steam Speed Turbos
  119. Water Pump Class Action Lawsuit
  120. New engine...supposed to look like this ?
  121. RB Turbo sale question
  122. RB PCV valve - does it need to be seated all the way?
  123. Misfire on Cylinder 3, oil in plug well - thoughts?
  124. Injector protective sleeve?
  125. N54 Auto New Transmission need reflash?
  126. MHD Stage2 much quieter than Stg0, why that?
  127. Pre-lubing new oil pump
  128. 2010 335 e92
  129. N54 Antilag and Launch control
  130. Junked the Pipercross air filter
  131. Oil leaking after valve cover gasket replacement
  132. Small jerk/bounce at low speeds on let off 1st 2nd gear, mounts or engine related ?
  133. 30ff code problems
  134. Is there any difference in oil cooler adapter plates?
  135. WOT, 100mph, half engine light, no limp mode, 30ff
  136. FBO E92 335i, wastegate rattle?
  137. take a look at my log. MHD Stage 2+ V9
  138. Decipher this log please, MHD Stage 2+
  139. Few questions regarding meth+pump on stage 2 turbos
  140. Water Pump or Alternator
  141. Bosch sparks plugs : ZGR6STE2 vs ZR5TPP33 vs ZR5TPP33S
  142. Stuck wastegate
  143. Do you think stage 1 fbo would keep the turbos happy longer?
  144. TMAP sensor voltages - Asking for a favor via some of your time.
  145. Misfire and high afr bank 1?
  146. Mobil 1 oil filter?
  147. Spark plugs
  148. Auto to manual swap
  149. N54 Ticking at all times and matches revs
  150. Looking to purchase secondary cats and oem downpipes
  151. BOV not working properly when cold?
  152. Bad o2 sensor or just because catless now?
  153. Take a look at log please
  154. Amg brakes on 335i
  155. n54 335i - new to tuning: custom tune or do it myself?
  156. N54 Noise coming from Engine Bay
  157. New to tuning: custom tune by shop or do it myself?
  158. Powersteering reservoir cap always wet?
  159. Misfire
  160. **DATAZAP, '07 335i, FBO, MHD+, 93oct, 134k miles**
  161. Which oil catch can you got??
  162. Wanting to add an oil cooler....what are my options?
  163. Looking for DIY: E90 335i to M3 Rear End Swap
  164. Didn't use a clutch alignment tool, what could go wrong ?
  165. Help help
  166. BMS Meth kit 1 Gallon Tank Tap
  167. Help me understand power potential!
  168. New problems with the n54 I think it might be hpfp
  169. Do I need to upgrade my fueling system?
  170. Questions about JB4 + MHD BEF!!
  171. New engine, misfires
  172. Long term affects of running ethanol fuel mix?
  173. SOLVED: N54 Oscillating throttle position/surge at steady speed
  174. Running Vargas GC lites - fueling upgrade advice needed
  175. 08 335i turbo line o’ring help
  176. Twin turbo or Single turbo for 550whp?
  177. N54
  178. Mastery of Art & Design N54 Downpipes ***NEW PRODUCT***
  179. Should I get inlets if I am on pump gas only?
  180. Fuel leak, help!
  181. DME damage
  182. losing coolant
  183. LPFP or Sensor?
  184. Juddering Idle & Fluctuating Voltage
  185. Cold weather killed o2's?
  186. banjo fittings for VTT catch can¿
  187. Beck Arnley Valve Cover
  188. Jb4 confusion
  189. Got 29CD, 29E0, and 29E1 codes
  190. N54 silicone inlets - Questions
  191. N54 Turbo Problems, PLEASE HELP!!!
  192. 335i help w/ O2 codes + more (w/ datalog)
  193. PS reservoir replacement necessary?
  194. MOTIV flex fuel RHD install help
  195. Back end flash help single turbo!!!
  196. Vargas turbo upper radiator and expansion tank vent hose
  197. Help with Vibrant Resonators and Drone, E93 335i
  198. which order would you do these in
  199. Jb4 & Cobb
  200. 2ABD Intake Pressure Sensor Re-Running And Lean AFR
  201. N54 Power steering Reservoir
  202. Have an odd hesitation/hiccup (no codes)
  203. 30bb code (MSD80) after replacing all parts
  204. Bank 2 misfires after wot pull
  205. Cranks but won't start, mhd can't communicate with dme
  206. Who’s still running MHD v5 e40 map?
  207. My car is not happy...PLEASE HELP!
  208. Limp mode on startup
  209. Walnut blasting in Houston, Tx area
  210. Question for Track Cooling Setup Beginner/INT HPDE Use
  211. 2ABD intake pressure sensor and lean afrs
  212. 6AT 6HP19 Pink Milky Fluid
  213. E92 335i Build Thread
  214. Big Single Turbo
  215. BMS silicone inlet install question
  216. Ohfg or something else?
  217. Vrsf outlet o-ring size?
  218. Rear downpipe front o2-too close?
  219. n54 engine swap build
  220. Alternator/Regulator or Battery
  221. MT swap vs oil pan gasket - what’s easier?
  222. Cost/benefit of m-factory LSD 335is
  223. Relocation Inlets - Which Ones?
  224. 3.5 TMAP upgrade.
  225. VRSF Street exhaust muffler outlet diameter 335i
  226. N54 Build Log
  227. Cylinder #6 spark plug, wet thread, leaking injector ?
  228. Transmission Squeal After 6MT Swap
  229. swapping TCU from 2008 335i to a 03/2007 335i
  230. Normal codes for automatic ECU in manual car?
  231. Take a look at log please. Finally got rid of boost leak
  232. N54 Preventive Maintenance to Avoid Stranding
  233. 335i N54 E90 6AT - Stage 1+ MHD weird behavior
  234. M Factory LSD 3.46 ratio complete with pumpkin
  235. N54 ST Build - Questions on fueling
  236. BMW 335is misfire above 6400 rpm at end of 3rd gear
  237. Couple Questions: Upgraded twins/single and boost limit
  238. How long do n54 fuel injectors last?
  239. troubleshooting checklist before determining hpfp
  240. MHD Stage 1+
  241. Boost goes back up after I left off throttle?
  242. Car started suddenly stuttering/shaking under acceleration after MHD run
  243. engine angle (hypothesis)
  244. Cobb Tuners
  245. E92 MPE mufflers on e90 335?
  246. Shell Rotella T6 motor oil
  247. Regarding E30 MHD tune on an e92
  248. lowering the subframe - alignment needed?
  249. Help locating misfire
  250. Valve cover bolt extraction help