N42/N46 Bad Coil Symptoms & Codes & Replacement

How to diagnose and replace a bad coil on the BMW E46 with N42/N46 engine. INPA errors on my car: 2783 CDKLM - Heissfilmluftmassenmesser Signal unterhalb Schwelle oder Kurzschluss nach Minus Error code: 06 27 83 62 01 01 02 01 28 73 37 1E 0B 10 00 FF FF FF FF FF FF FF FF FF ------------------------------------------------------------- 278C CDKTA - Ansauglufttemperatur Kurzschluss nach Plus oder Leitungsunterbrechung Error code: 06 27 8C 62 01 01 12 01 26 73 3A 15 9E 68 FF FF FF FF FF FF FF FF FF FF ------------------------------------------------------------- 2754 CDKDZKU1 - Ueberwachung Zuendspule 3 Kurzschluss nach Plus oder Nichtimpedanz Error code: 06 27 54 21 21 00 00 02 1E 73 6B 43 B2 72 95 73 76 27 B1 37 95 FF FF FF ------------------------------------------------------------- 274E CDKMD - Aussetzererkennung, Summenfehler Katschädigende Aussetzer Error code: 06 27 4E 81 01 00 00 02 1F 73 6B 48 73 B2 38 73 76 2E 66 B2 32 FF FF FF ------------------------------------------------------------- 2743 CDKMD01 - Aussetzererkennung Zyl.3 Katschädigende Aussetzer Testbedingungen erfuellt Fehler bisher nicht aufgetreten Error code: 06 27 43 81 01 00 00 02 1F 73 6B 48 73 B2 38 73 76 2E 66 B2 32 FF FF FF ------------------------------------------------------------- 2781 CDKPH - Nockenwellengeber Einlass unplausible Phasenflankenanzahl Error code: 05 27 81 08 05 00 00 01 27 73 88 29 73 60 7C FF FF FF FF FF FF FF FF FF ============================================================= Other possible INPA codes related to bad coil: 2742 Misfire Detection Cyl 1 2743 Misfire Detection Cyl 3 (4cyl) or 5 (6 cyl) 2744 Misfire Detection Cyl 4 (4cyl) or 3 (6 cyl) 2745 Misfire Detection Cyl 2 (4cyl) or 6 (6 cyl) 2746 Misfire Detection Cyl 2 2747 Misfire Detection Cyl 4 2753 Ignition Coil Cyl 1 2754 Ignition Coil Cyl 3 (4cyl) or 5 (6 cyl) 2755 Ignition Coil Cyl 4 (4cyl) or 3 (6 cyl) 2756 Ignition Coil Cyl 2 (4cyl) or 6 (6 cyl) 2757 Ignition Coil Cyl 2 2758 Ignition Coil Cyl 4 2781 Camshaft Sensor Intake Buy Valve Spring Compressor Tool Kit for BMW N42/N46: https://bimmerzen.com/store How to use the VSCT tool:    • Using 3D printed tool to replace Valve Ste...   Fix oil consumption on BMW N42/N46:    • BMW N42/N46 Valve Stem Seals Replacement P...   DISCLAIMER: BimmerZen assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. BimmerZen recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of BimmerZen , no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not BimmerZen.