Esipan

Its just a pipe so get the cheapest one you could find on market for down pipe,you can buy from ebay then do a little modification on o2 sensor position.you dont need to do any change for midpipe as the factory one is catless,for the muffler,if you looking for quad ,try remus.or other cheap brand.I will never pay that much for just a brand name

Hi Guys this is david and i 've got a tricky problem after mhd jb4 backend flash which is the 3rd cylinder can't stop misfire everytime i was pulling over 6000rpm.I have changed the new coil pack , spark plugs are brand new,i thought the problem was solved coupe of hours ago but unfortunately the issue came out again,and i was trying to capture the log with jb4 app but as i said it starting misfire after 6000rpm and i dont want to blow up my engine.Any suggestion? Vehicle:2009 e82 135i automatic,RHD,N54 motor,imported from Japan Software purchased : jb4 backend flash MHD Modifacation:Injen DCI,ER C/P,Tial.B.O.V,Fuel it stage 2 LPFP,Stage 3 JB4 G5,N54 tuning D/P,Fuel it TBI,NGK .022 Gap spark plug.ER FMIC.Alpina b3 TCU flash.midpipe de cat,exhaust flap forced open Zipped map:JB4_MHD_IJE0S_PUMP.bin released on 03/14/2016 Was pulling from 40KM/h by 3rd gear.Using Jb4 4/2,map 2. The systems doesn't allow me to upload .csv file,so if anyone has any ideas,please let you email i will send it to you. Thank you guys!