Technical Service Bulletins (TSBs) for the 1997 740 are official communications between BMW & their dealerships that describe processes for troubleshooting or fixing certain common problems.
All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
SERVICE ACTION: PROGRAM DME (FOR O2 SENSORS): Due to DME software error, the following oxygen sensors plausibility fault codes may be stored in DME 5.2.1 control module: Read More »
SERVICE ACTION: PROGRAM DME (FOR O2 SENSORS): Due to DME software error, the following oxygen sensors plausibility fault codes may be stored in DME 5.2.1 control module: Read More »
BMW: THERE MAY BE EXCESSIVE CRANKING BEFORE THE VEHICLE STARTS. THE SERVICE ENGINE SOON LIGHT MAY ALSO BE ON WITH A LACK OF ENGINE POWER. *RM Read More »
CUSTOMER COMPLAINS THAT THE CHECK ENGINE LIGHT IS ILLUMINATED WITH FAULT CODE 139 OR 140 ACTIVATION MAP COOLING IS STORED IN THE ECU / DME. *TT Read More »
BMW: DIAGNOSIS OF DME ME 9.2 MAP THERMOSTAT FAULT 2EF4/279B. THE SERVICE ENGINE SOON LIGHT ILLUMINATED. THE ENGINE DOES NOT OVERHEAT AND THE MAP THERMOSTAT OPERATES PROPERLY. Read More »
BMW: VEHICLE MAY INTERMITTENTLY EXHIBIT ANY OF THE FOLLOWING: HARD TO START OR MAY NOT START; ENGINE RUNS ROUGH AND LACKS OR LOSES POWER; ENGINE POWER REDUCED. Read More »
BMW: SMALL NUMBER OF VEHICLES EXPERIENCE PROBLEMS RANGING FROM LEAKING OIL FILLER CAPS, LEAKING OR BROKEN VALVE COVERS, TO COMPLETE ENGINE FAILURE IN EXTREMELY COLD CLIMATE CONDITIONS. Read More »
BMW VEHICLES: N63 TURBOCHARGER AUXILIARY WATER PUMP FAULTS. THE SERVICE ENGINE SOON LAMP IS ILLUMINATED WITH THE FOLLOWING FAULT CODES STORED IN THE DME CONTROL MODULE. Read More »
BMW: SMALL NUMBER OF VEHICLES EXPERIENCE PROBLEMS RANGING FROM LEAKING OIL FILLER CAPS, LEAKING OR BROKEN VALVE COVERS, TO COMPLETE ENGINE FAILURE IN EXTREMELY COLD CLIMATE CONDITIONS. Read More »
ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER
BMW VEHICLES: N63 TURBOCHARGER AUXILIARY WATER PUMP FAULTS. THE SERVICE ENGINE SOON LAMP IS ILLUMINATED WITH THE FOLLOWING FAULT CODES STORED IN THE DME CONTROL MODULE. Read More »
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
BMW: SMALL NUMBER OF VEHICLES EXPERIENCE PROBLEMS RANGING FROM LEAKING OIL FILLER CAPS, LEAKING OR BROKEN VALVE COVERS, TO COMPLETE ENGINE FAILURE IN EXTREMELY COLD CLIMATE CONDITIONS. Read More »
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
BMW: SERVICE ENGINE SOON LAMP OR THE CHECK GAS CAP WARNINGS ARE ILLUMINATED WHILE DRIVING. WHEN DIAGNOSED, THE DME HAS STORED FAULTS FOR SMALL LEAK, MICRO LEAK, SUPER FINE LEAK, OR LARGE LEAK IN RELATION TO THE TANK VENTILATION OR ... Read More »
BMW: SERVICE ENGINE SOON LAMP OR THE CHECK GAS CAP WARNINGS ARE ILLUMINATED WHILE DRIVING. WHEN DIAGNOSED, THE DME HAS STORED FAULTS FOR SMALL LEAK, MICRO LEAK, SUPER FINE LEAK, OR LARGE LEAK IN RELATION TO THE TANK VENTILATION OR ... Read More »
BMW VEHICLES: N63 TURBOCHARGER AUXILIARY WATER PUMP FAULTS. THE SERVICE ENGINE SOON LAMP IS ILLUMINATED WITH THE FOLLOWING FAULT CODES STORED IN THE DME CONTROL MODULE. Read More »
BMW: DIAGNOSIS OF DME ME 9.2 MAP THERMOSTAT FAULT 2EF4/279B. THE SERVICE ENGINE SOON LIGHT ILLUMINATED. THE ENGINE DOES NOT OVERHEAT AND THE MAP THERMOSTAT OPERATES PROPERLY. Read More »
BMW: SPORADICALLY, THE FOLLOWING CONDITIONS MAY OCCUR-WIPERS ARE RUNNING ON A DRY WINDOW; SPEEDOMETER AND TACHOMETER ARE INOPERATIVE; CHECK CONTROL MESSAGE EMF DROPPED OUT (DRIVE CONTROL SYSTEM EMERGENCY MODE). Read More »
BMW: THE HIGH-VOLTAGE (HV) BATTERY CELLS COULD BE DAMAGED IF THE VEHICLE IS PREVENTED FROM ENTERING SLEEP MODE FOR AN EXTENDED PERIOD OF TIME. UPDATED 03/11/2013 *JS Read More »
SERVICE ACTION: PROGRAM DME (FOR O2 SENSORS): Due to DME software error, the following oxygen sensors plausibility fault codes may be stored in DME 5.2.1 control module: Read More »
SERVICE ACTION: PROGRAM DME (FOR O2 SENSORS): Due to DME software error, the following oxygen sensors plausibility fault codes may be stored in DME 5.2.1 control module: Read More »
BMW: SPORADICALLY, THE FOLLOWING CONDITIONS MAY OCCUR-WIPERS ARE RUNNING ON A DRY WINDOW; SPEEDOMETER AND TACHOMETER ARE INOPERATIVE; CHECK CONTROL MESSAGE EMF DROPPED OUT (DRIVE CONTROL SYSTEM EMERGENCY MODE). Read More »
BMW: LOW BEAM HEADLAMPS ARE SWITCHED ON, OR AFTER STARTING THE ENGINE, ONE OF THE XENON LOW BEAM HEADLAMPS FLASHES SERVERAL TIMES, AND THEN INTERMITTENLY SWITCHES OFF. *PE Read More »
BMW: LOW BEAM HEADLAMPS ARE SWITCHED ON, OR AFTER STARTING THE ENGINE, ONE OF THE XENON LOW BEAM HEADLAMPS FLASHES SERVERAL TIMES, AND THEN INTERMITTENLY SWITCHES OFF. *PE Read More »
BMW: WIPERS LIGHTS AND FRONT POWER WINDOWS ARE INOPERATIVE. THIS SITUATION MAY START AND LEAD TO A PERMANENT FAULT. ALSO INCLUDED MODEL F07 (5 SERIES GRAN TURISMO) MODEL YEARS UP TO MARCH 2012. *JS Read More »
BMW: WIPERS LIGHTS AND FRONT POWER WINDOWS ARE INOPERATIVE. THIS SITUATION MAY START AND LEAD TO A PERMANENT FAULT. ALSO INCLUDED MODEL F07 (5 SERIES GRAN TURISMO) MODEL YEARS UP TO MARCH 2012. *JS Read More »
BMW SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE AIRBAG WARNING LAMP (AWL) IS ILLUMINATED, TOGETHER WITH THE PASSENGER AIRBAG STATUS LAMP (POL). THE PROBLEM MAY BE INTERMITTENT. MICROCRACKS IN THE OC3 SEAT MAT. Read More »
BMW: THE SAFETY BELTS FOR THE FRONT SEATS HAVE AN ELECTRIC MOTOR-DRIVEN REEL (EMA) WHICH WILL RETRACT/PRETENSION THE SEAT BELT A SPECIFIED AMOUNT WHEN CERTAIN HAZARDOUS DRIVING SITUATIONS ARE PRESENT. Read More »
BMW: THE SAFETY BELTS FOR THE FRONT SEATS HAVE AN ELECTRIC MOTOR-DRIVEN REEL (EMA) WHICH WILL RETRACT/PRETENSION THE SEAT BELT A SPECIFIED AMOUNT WHEN CERTAIN HAZARDOUS DRIVING SITUATIONS ARE PRESENT. Read More »
BMW: WIPERS LIGHTS AND FRONT POWER WINDOWS ARE INOPERATIVE. THIS SITUATION MAY START AND LEAD TO A PERMANENT FAULT. ALSO INCLUDED MODEL F07 (5 SERIES GRAN TURISMO) MODEL YEARS UP TO MARCH 2012. *JS Read More »
BMW VEHICLES: N63 TURBOCHARGER AUXILIARY WATER PUMP FAULTS. THE SERVICE ENGINE SOON LAMP IS ILLUMINATED WITH THE FOLLOWING FAULT CODES STORED IN THE DME CONTROL MODULE. Read More »
CUSTOMER COMPLAINTS THAT THE CHECK ENGINE LIGHT IS ILLUMINATED AND THERMOSTAT SOFTWARE, OXYGEN SENSOR AND VARIOUS MISFIRE FAULT CODES ARE STORED IN THE ENGINE CONTROL MODULE (ECM). *TT Read More »
