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


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  1. how long will my clutch last?
  2. N54 Dinan stage 2 Dyno Results
  3. Look what I got!
  4. N55 JB4 Stage 2 - Wire missing connections?
  5. Cobb to jb4 opinions
  6. Need Remote Coding
  7. N55 Midpipe Damage?
  8. Catted vs catless DP
  9. Car wonders in lane when WOT
  10. dual open filter, why?
  11. Increasing bore and stroke
  12. Extended vacation
  13. New 135 Owner, New league of problems. . .
  14. Dyno - OFT Stage 0 vs Stock
  15. DME 2AB4 Fault Code
  16. Just installed aFe Machforce axleback - have an issue
  17. n54 6AT COBB
  18. exhaust noise
  19. BMW Performance Y-Pipe PN
  20. P29E1
  21. Engine stutter/jerk/hiccup after JB4 install
  22. Steering wheel off center
  23. 135i OE axle-back rattle and low rpm fart?
  24. Updated DME software and got fun noises..
  25. Agency Power Mid pipe hangs a bit more
  26. PPK1 AND PE Exhaust?
  27. Finally installed BMS DCI and question.
  28. Logs from my 135i JB4 + DCI install...
  29. Engine Fault Reduced Power- Help!
  30. A new Government Website!
  31. Power surges - continued
  32. STETT Performance N54 135i Cold Air Intake (CAI)
  33. Custom rear diffuser options?!?
  34. Loud rumble when car starts Exhaust?
  35. n54 bb flash + 99F + boost spike
  36. N54 mods for longevity?
  37. COBB quesiton
  38. Did I buy a 135i with the PPK tune??
  39. Ordering issues with berk exhaust???
  40. Installed Spec stg2+ and Spec SMSFW
  41. Post Reflash - Weird Cold Start
  42. indie/tuning shop recommendation NYC
  43. Myth or True?
  44. Straight Pipe Exhaust
  45. VRSF Adjustable Downpipe Fix eliminates
  46. Installed New Intake * INJEN *
  47. Oil Cooler - Should it be warm to the touch?
  48. JB4 install troubles....please HELP
  49. got some codes on Cobb
  50. N54 Tuning Charge Pipe
  51. Delete
  52. VRSF DPs, Magnaflow catback, rattly/rasp under hard acceleration
  53. Opinion on changing coolant
  54. Crackle and pops - JB4 vs PPK1
  55. Cobb AP - "key in off position"
  56. Anyone want to glance at datalog real quick?
  57. JB4 max cool mode lowers oil temps a ton!
  58. Bad jb4 board? Persistent 2abd code
  59. N54 plugs on N55 PPk1?
  60. proTUNING Freaks presents - MOTIV Motorsport turbo kit
  61. Performance One: Dinan Turbo Replacement for N54
  62. Who still is running original turbos?
  63. Misfire?
  64. Remus, Eisenmann or Supersprint
  65. NGK or Bosch Plugs for FBO +e85 N54
  66. HELP! downpipe fix
  67. Size of Exhaust Tips on 135i vs. 128i
  68. Anyone know what this sound is?
  69. Any pictures of the inside of a stock muffler?
  70. o2 simulator for VRSF 3" DP
  71. Vanos Parts finally in
  72. PPK2 questions
  73. Jb4, dci, berk racing axleback, and a little magic
  74. VRSF 3" DP fitment issues
  75. Pre-existing tune: How to tell?
  76. COBB with Race Map
  77. Bought a 2010 135i from private seller 920 miles away and HPFP went 20 mi. from home
  78. just installed my race midpipes
  79. 135i: Some questions to the exhaust systems (135i - N54/N55/Performance)
  80. 135i Auto tranny shifting on its own
  81. Stanceworks Visits Dinan Engineering
  82. 2012 guys, what tune are you running?
  83. What tune do you have?
  84. Help: 135i Not Going Into 1st 2nd or Reverse 6mt
  85. How to tell if hpfp is failing?
  86. please read my datalog
  87. N54 Engine Mounts
  88. N54 free flash tuning Question
  89. Got my answer, thanks!
  90. serve engine soon codes
  91. Coolant leak I'm not sure of. . . New 135i owner
  92. Need help (steering rack)
  93. what do you guys think ? worth it?
  94. Low boost ?? No codes
  95. N54 Porting Special at VAC
  96. N54 - Custom single exhaust
  97. What line is this?
  98. Ebay oil cooler kit
  99. Out of Warranty: Remove Mods for Recall?
  100. Could use a little insight...Mods
  101. Cooling and the shields under engine?
  102. Remus Quad Exhaust
  103. Oil burning
  104. N55 Pure Stage 1, $1k to get where the N54 guys are
  105. Maybe I'm lucky, my battey died.....
  106. Tuning options
  107. Oil cooler?
  108. Selling BMS JB4 Iso Stage 2 for n55
  109. BMX AUX cooling vs larger radiator
  110. Thoughts on e85
  111. Help!
  112. Cobb AP v2 Issue after SIB Update
  113. delete
  114. Pre cat Lambda probe codes for bad o2 sensors?
  115. MOTIV Motorsport Official Product Release and Pricing
  116. JB4 Map 8 safe?
  117. Oil leak + Oil smell
  118. Sport Mode & Paddle Shifter problem after battery disconnect
  119. Alpina flash in VA
  120. anyone else have thier hks ssqv bov blow off the pipe?
  121. N55 Clutch stuck / slipping / ??
  122. 135i PPK1 boost log
  123. N54 Turbo Upgrade
  124. Meth mod, need some guidance
  125. Vishnu Procede install help
  126. VIDEO. Berk Race+ AgencyPower Race Midds+ Catless= NICE
  127. N54 Boost Issues After JB4 Install
  128. Decipher this light combo
  129. Leak near oil filter housing
  130. DCT (Traction Control) Button Effects
  131. Opinions on these logs please and thankyou!
  132. Boost control code pop up during trackday
  133. Water Pump Leak From Housing?
  134. PPK cost
  135. A Boring but Necessary Question!
  136. Easiest way to cause a check engine light?
  137. HP per lb
  138. Turbo Swap Now throwing 2ABC Code
  139. which harness is this for JB4?
  140. DINAN Intercooler Teaser & Pics!!
  141. Exhaust Dent (question)
  142. Replacing cracked charge pipe, will code clear?
  143. Stumbling on boost
  144. Before I go ballistic on this Cobb charge pipe.....
  145. Jb4 gives less power.... 2013 135i n55
  146. Replaced my spark plugs..
  147. Which N54 Full Catless Exhaust System? What to buy and where?
  148. UUC SSK Evo3 problems
  149. 1M & N55 SSK the same?
  150. 100k 135i Maintenance?
  151. anyone running an ESS tune for N55?
  152. Engine buzz/beep sound?
  153. 2011 DME swap possible to my 2012???
  154. bmw performance exhaust bolt on?
  155. Jb4 S2 Iso Ff With Bms Backend Flash
  156. Need CODING in NoVA
  157. Please help! Does anyone make an aftermarket lower charge pipe?
  158. Oil pressure
  159. Exhaust weird sound - bad tips or boost leak?
  160. Limp Mode- No CEL
  161. wastegate rattle replacement at 82,869 miles?
  162. Help me diagnose my odd start ups
  163. N54 135i leaking oil
  164. What to replace when getting a walnut blasting?
  165. When should electric cooling fan kick on?
  166. UR2510-Exhaustt Note. 135i N55
  167. 02 defoulers (N55) which brand do I buy?
  168. Hardware differences between N55/N54 PPK2?
  169. What to do with $2500?
  170. BMW Performance Exhaust, feedback pls
  171. Vanos recall.. Remove mods?
  172. Need advice on getting that damn rear brace off!
  173. JB4 Error codes and boost issue
  174. Post Carbon Blasting follow up...
  175. BMW Power Performance Kit Question
  176. Another SEL thread
  177. Fitting a e90 m3 diff, in stock 135i subframe. What required?
  178. N55 ppk 1 and bmw performance exhaust review
  179. Best value place for a clutch replacement in 135i
  180. Any one use this DCT service kit?
  181. Looking for drivers with the following mods, e85, CAI, intake spacer
  182. LSD finned diff cover?
  183. Smoke coming from vents 135i
  184. grind shifting from 1-2
  185. 2013 N55 Exhaust question
  186. Oil Temp
  187. Vrsf charge pipe, tial bov on a n54.
  188. Cpe dci intake on 135i
  189. Exoticspeed S1 Exhaust w/Carbon Fiber Tips Revealed/Review N54 N55
  190. What happens?
  191. Koolman Thermostat
  192. What is this?
  193. Anyone have part number for oem dv hoses?
  194. LSD and welded ring gear question
  195. Need more powaar!
  196. high flow catted downpipes and error codes?
  197. N55 guys with idle issues
  198. Recommend an Intercooler
  199. opened engine oil cap & smell like gas?
  200. Diverter Valves Volume Increased with Intercooler
  201. Thoughts on this Exhaust
  202. Looking for Injen Cold Air Intake for E82 N55
  203. Coil Packs fail during 2-3 Shifts?
  204. Injen intake and CEL N55
  205. COBB or JB4 G5 ISO, beaten to death
  206. New Flywheel? Hot spots on old one
  207. M factory Pumpkin and Devif lockdown kit
  208. N54 cold start issues
  209. 135i DCT PPK1 / PE dyno
  210. Motiv Motorsport 135i?
  211. Strange noise coming from the engine
  212. cobb P0128 code after WP & Tstat replacement
  213. N55 with mods
  214. Cranks, won't start w/o jump. RPMs bouncing
  215. Wastegate Clink
  216. 135i n55 dyno
  217. Clutch type LSD for the 135i DCT?
  218. Cant get my intake
  219. To CDV delete or not.. That is the question..
  220. What is a backend flash?
  221. Likelihood of warranty for turbo rattle with aftermarket exhaust
  222. COBB AP issues with O2 sensors
  223. Rod knocking
  224. eLSD swap out help
  225. Rod knocking
  226. N55 135i best UK remap option
  227. Best Place To Order Performance Parts?
  228. Tune ONLY for cat delete?
  229. vrsf stepped fmic owners
  230. Oil Filler Cap Leak
  231. Step by step LSD install
  232. approximate horsepower.... help?
  233. You can only have one. Berk Race AB or Injen Intake
  234. Drivers surprised at performance when JB4 removed???
  235. N55 topdpeed delimiter.
  236. tackle SSk by myself?
  237. Clutch flywheel combo
  238. HELP! Jb4 map 1, charge pipe neccesary?
  239. Forge DV malfunctions after cobb install??
  240. Selling N55 Jb4!!
  241. Shredded serpentine belt
  242. Best way to COMPLETELY stop blow by?
  243. N54 feels hesitant in higher rpm
  244. Anyone in the North running E85 this winter?
  245. New mods for a N55? Any Recommendations?
  246. BMW shop recomendation
  247. Corrosion On Coil Packs/spark Plugs
  248. Those of you with quad exhausts
  249. resonated downpipe
  250. 2011 135i DCT - JB4 questions