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E90 320i Help With OBD II Port
Hello there 👋 I have a 2008 E90 320i From Japan and am having some issues with the OBD II Port. I’ve noticed when I try to scan, the scanner sometimes establishes a connection and then while scanning for codes it just goes blank like it lost power. I’ve tried multiple scanners (BlueDriver, OBD Link CX for BimmerCode & Carly) and none can make it to the end of the canning process. So I got to digging and pulled the OBD II port to check pins and wires. Also found a pinout online for E90’s to make sure it was pinned correctly. I believe the pinout I found was: Pin Signal Description 1 +12V Ignition (In run Or Start) 4 CGND Chassis Ground 5 SGND Signal Ground 6 CAN HI CAN High, J-2284 7 ISO 9141-2 K-LINE Engine (ISO-9141 and ISO-14230), Automatic Transmission Diagnostic (In Some Models) 8 ISO 9141-2 K-LINE IKE/KOMBI, ABS, ABS/ASR, ABS/ABD, ESP, DSC, Airbag And Other Electronic Equipment 9 TD/RPM Engine Rotation Speed 14 CAN LO CAN Low, J-2284 15 ISO 9141-2 L-LINE L-Line Of ISO 9141-2 And ISO 14230-4 16 +12v Battery Power So I pulled my OBD II Port and I found that pins 1, 8 and 15 are not present. I also found this rectangular box with some type of capacitor in it attached to the harness with the two can bus wires going through it. I also have two parts cars from Japan with slight variations in spec, totalling 3 E90’s that I have: Year Production Date Engine Code Transmission Spec Main - 2008 10/2007 N46B20B GM Cloth Electric Seats Non Heated Parts - 2008 08/2007 N46B20 ZF Leather Electric Seats Heated Parts - 2010 12/2009 N46B20B GM Cloth Manual Seats Non Heated So I pulled the OBD II ports on those as well to check if they were the same, and oddly enough the other 2008 model was setup differently but the 2010 model was setup the same as my white 2008 model. Maybe the transmission used plays a roll on the OBD II pinout seeing that my white 2008 model and the 2010 model both use the GM trans? The 2008 parts car doesn’t have the box with the capacitor in it. Below I’ll show you the pinout for each vehicle: White 2008 w/GM Transmission: Silver 2008 w/ZF Transmission: Dark Blue 2010 w/GM Transmission: Any idea what I need to do to get the port to work? I’d imagine I need to start with adding a +12 Volt signal from the ignition switch. -
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BMW E90 320i Help With OBD II Port
Hello there 👋 I have a 2008 E90 320i From Japan and am having some issues with the OBD II Port. I’ve noticed when I try to scan, the scanner sometimes establishes a connection and then while scanning for codes it just goes blank like it lost power. I’ve tried multiple scanners (BlueDriver, OBD Link CX for BimmerCode & Carly) and none can make it to the end of the canning process. So I got to digging and pulled the OBD II port to check pins and wires. Also found a pinout online for E90’s to make sure it was pinned correctly. I believe the pinout I found was: Pin Signal Description 1 +12V Ignition (In run Or Start) 4 CGND Chassis Ground 5 SGND Signal Ground 6 CAN HI CAN High, J-2284 7 ISO 9141-2 K-LINE Engine (ISO-9141 and ISO-14230), Automatic Transmission Diagnostic (In Some Models) 8 ISO 9141-2 K-LINE IKE/KOMBI, ABS, ABS/ASR, ABS/ABD, ESP, DSC, Airbag And Other Electronic Equipment 9 TD/RPM Engine Rotation Speed 14 CAN LO CAN Low, J-2284 15 ISO 9141-2 L-LINE L-Line Of ISO 9141-2 And ISO 14230-4 16 +12v Battery Power So I pulled my OBD II Port and I found that pins 1, 8 and 15 are not present. I also found this rectangular box with some type of capacitor in it attached to the harness with the two can bus wires going through it. I also have two parts cars from Japan with slight variations in spec, totalling 3 E90’s that I have: Year Production Date Engine Code Transmission Spec Main - 2008 10/2007 N46B20B GM Cloth Electric Seats Non Heated Parts - 2008 08/2007 N46B20 ZF Leather Electric Seats Heated Parts - 2010 12/2009 N46B20B GM Cloth Manual Seats Non Heated So I pulled the OBD II ports on those as well to check if they were the same, and oddly enough the other 2008 model was setup differently but the 2010 model was setup the same as my white 2008 model. Maybe the transmission used plays a roll on the OBD II pinout seeing that my white 2008 model and the 2010 model both use the GM trans? The 2008 parts car doesn’t have the box with the capacitor in it. Below I’ll show you the pinout for each vehicle: White 2008 w/GM Transmission: Silver 2008 w/ZF Transmission: Dark Blue 2010 w/GM Transmission: Any idea what I need to do to get the port to work? I’d imagine I need to start with adding a +12 Volt signal from the ignition switch. -
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Advice needed on replacement valve cover
Got the dreaded oil smell every drive on my m4. little bit of smoke from engine bay but not all the time, no cel, no changes in performance looking at doing the job myself and wondered which rocker cover others went for and from where. I’m based in the UK so not able to use fcp. any tips or essential tools I will need to make the job easier -
2
X5 E53 fuel gauge sender unit ... HELP needed
Thank you Dave. I am sure that someone online was selling the resistor slider the one that i have in the Pic. Just need to find that Thanks -
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BNW X4 40i 3ltr diesel 2019, heat sheild
Hi Mark Welcome to the Forum Check www.realoem.com It is an online BMW parts list either search by Model/year or put the last 7 digits of your Vin into the search box. Then search the relevant sections I would think either Body or Trim sections if its listed it should have one Good Luck Dave
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