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2005 BMW 525I

Owner reports · Recalls · Investigations

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What owners reported most

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When problems were reported

Mileage at the reported incident

30 reports with mileage · 5 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Air Bags. Review the 22 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Seat Belts. Review the 7 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Seats. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports4 fire reports1 injury reports

Electrical System complaints

4 reports
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Mileage unknown · Oct 23, 2024
Electrical SystemEngineService Brakes

I am encountering persistent issues with my 2005 BMW 525i. Despite having replaced several critical components, including the ignition coils, spark plugs, mass air flow sensor, and throttle body sensors, the vehicle continues to experience performance problems, specifically failing to advance beyond the fourth cylinder when driv…

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I am encountering persistent issues with my 2005 BMW 525i. Despite having replaced several critical components, including the ignition coils, spark plugs, mass air flow sensor, and throttle body sensors, the vehicle continues to experience performance problems, specifically failing to advance beyond the fourth cylinder when driving uphill. After conducting numerous diagnostic tests, I have concluded that there may be an air leak in the intake manifold. Additionally, after prolonged use under these conditions, the positive battery cable from the trunk has shown signs of overheating, evidenced by smoke, which I suspect is related to repeated uphill driving. While the vehicle performs adequately on flat surfaces, it exhibits hesitation and jerking once it surpasses the fourth cylinder.

NHTSA ODI #11621558

140,000 miles · Apr 3, 2017
Air BagsElectrical System

FRONT PASSENGER SEAT OCCUPANCY SENSOR HAS FAILED. REAR LEFT HAND BRAKE/BACKUP LIGHT IS PROBLEMATIC AND INTERMITTENTLY WORKS, USUALLY ONLY SHOWS UP ON CAR'S DASHBOARD WHILE IN REVERSE, BUT SOMETIMES WILL STAY ON-SCREEN DURING DRIVING. FRONT ASHTRAY OUTLET/CIGARETTE LIGHTER DOESN'T WORK.

NHTSA ODI #10970386

114,000 miles · Jan 27, 2017
Electrical SystemUnknown Or OtherFire

SUNROOF DRAIN CLOGGED INTO TRUNK CAUSING FIRE IN BATTERY COMPARTMENT AND SPARE TIRE AREA. VEHICLE WAS STATIONARY IN SHOP AFTER NOT BEING RUN FOR HOURS.

NHTSA ODI #10948007

135,000 miles · Sep 18, 2015
Electrical SystemUnknown Or OtherFire

ON APRIL 11, 2015. I WAS TAKING MY VEHICLE TO MY MECHANIC TO GET IT SERVICED AFTER SITTING ALL WINTER. AS I WAS DRIVING I NOTICED SMOKE COMING FROM THE REAR OF THE VEHICLE. I PULLED OVER, COULD NOT LOCATE THE SOURCE. I CONTINUED TO MY MECHANIC. ONCE THERE WE OPENED THE TRUNK, WE NOTICED AND SMELLED SOMETHING BURNING. WE TOOK OUT…

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ON APRIL 11, 2015. I WAS TAKING MY VEHICLE TO MY MECHANIC TO GET IT SERVICED AFTER SITTING ALL WINTER. AS I WAS DRIVING I NOTICED SMOKE COMING FROM THE REAR OF THE VEHICLE. I PULLED OVER, COULD NOT LOCATE THE SOURCE. I CONTINUED TO MY MECHANIC. ONCE THERE WE OPENED THE TRUNK, WE NOTICED AND SMELLED SOMETHING BURNING. WE TOOK OUT THE TIRE AND NOTICED WATER IN THE WHEEL WELL, WHICH MADE AN ELECTRICAL COMPONENT SPARKING, SMOKING AND ON FIRE. I HAD THE VEHICLE TOWED TO BMW. THEY STATED THE WATER DAMAGED THE MICRO POWER MODULE. BMW PAID FOR THE REPAIRS, AND RELOCATED THE MODULE AWAY FROM THE WHEEL WELL. I FEEL WHERE IT WAS PLACED PREVIOUS WAS VERY DANGEROUS. IF I HAD ANY COMBUSTIBLE ITEM IN MY TRUNK MY BMW WOULD HAVE FULLY CAUGHT FIRE. BMW SHOULD RECALL ALL VEHICLE AND RELOCATION ANY ELECTRICAL COMPONENTS THAT CAN BE DAMAGED BY WATER, POSSIBLY CATCH FIRE. THIS IS VERY DANGEROUS

NHTSA ODI #10764978

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

2

EA08001 · BMW Airbag Light Illumination

Opened Jan 4, 2008 · Closed Dec 31, 2008

Status: closed (inferred from source dates) · Air Bags; Air Bags:frontal; Air Bags:frontal:sensor/control MODULE-INACTIVE

BMW IS CONDUCTING A SAFETY RECALL CAMPAIGN ON APPROXIMATELY 200,000 MY04 THROUGH MY06 SUBJECT VEHICLES BUILT THROUGH 11/30/05 TO CORRECT THE FRONT PASSENGER SEAT AIR BAG OCCUPANT DETECTION MAT. THE SPECIFIC VEHICLES INCLUDED IN THE RECALL AREMY04- 06/ 5-SERIES WITH STANDARD AND SPORT SEATS, MY04-06/ X3-SERIES AND MY06/ 3-SERIES WITH SPORT SEATS. IN ADDITION, BMW WILL EXTEND THE WARRANTY COVERAGE OF THE PASSENGER SEAT AIR BAG OCCUPANT DETECTION MAT TO 10-YEAR/UNLIMITED MILEAGE ON APPROXIMATELY 120,000 REMAINING MY04-06 SUBJECT VEHICLES BUILT THROUGH 11/30/05. THE SPECIFIC VEHICLES INCLUDED IN THE EXTENDED WARRANTY ARE MY 06/ 6 SERIES, MY 06/ 3-SERIES WITH STANDARD SEATS, MY04-05/ Z4, MY04-06/ 7 SERIES, MY 06/ X5, AND MY04-06/ 5-SERIES WITH COMFORT SEATS.THE AVERAGE FREQUENCY OF FAILURES AMONG THE EXTENDED WARRANTY GROUPS WAS LESS THAN 1/7TH OF THE RECALL VEHICLE GROUPS.PLEASE SEE BMW'S 08V-384 RECALL NOTIFICATION FOR FURTHER DETAILSDEPENDING ON SEAT CONFIGURATION AND VEHICLE GEOMETRY, THE OCCUPANT DETECTION MAT CAN FATIGUE DURING USE DEPENDING ON THE MANNER AND FREQUENCY OF THE FRONT PASSENGER'S ENTRY AND EXIT.SPECIFICALLY, OVER TIME, MICRO-CRACKS COULD DEVELOP IN THE SIDE FLANKS OF THE MAT CAUSING A BROKEN CIRCUIT.A BROKENCIRCUIT CAN LEAD TO THE DEACTIVATION OF THE PASSENGER AIR BAG AND THE ILLUMINATION OF BOTH THE AIR BAG WARNING LIGHT AND THE PASSENGER AIR BAG LIGHT.

Additional source detail variants (3)

Air Bags

BMW IS CONDUCTING A SAFETY RECALL CAMPAIGN ON APPROXIMATELY 200,000 MY04 THROUGH MY06 SUBJECT VEHICLES BUILT THROUGH 11/30/05 TO CORRECT THE FRONT PASSENGER SEAT AIR BAG OCCUPANT DETECTION MAT. THE SPECIFIC VEHICLES INCLUDED IN THE RECALL AREMY04- 06/ 5-SERIES WITH STANDARD AND SPORT SEATS, MY04-06/ X3-SERIES AND MY06/ 3-SERIES WITH SPORT SEATS. IN ADDITION, BMW WILL EXTEND THE WARRANTY COVERAGE OF THE PASSENGER SEAT AIR BAG OCCUPANT DETECTION MAT TO 10-YEAR/UNLIMITED MILEAGE ON APPROXIMATELY 120,000 REMAINING MY04-06 SUBJECT VEHICLES BUILT THROUGH 11/30/05. THE SPECIFIC VEHICLES INCLUDED IN THE EXTENDED WARRANTY ARE MY 06/ 6 SERIES, MY 06/ 3-SERIES WITH STANDARD SEATS, MY04-05/ Z4, MY04-06/ 7 SERIES, MY 06/ X5, AND MY04-06/ 5-SERIES WITH COMFORT SEATS.THE AVERAGE FREQUENCY OF FAILURES AMONG THE EXTENDED WARRANTY GROUPS WAS LESS THAN 1/7TH OF THE RECALL VEHICLE GROUPS.PLEASE SEE BMW'S 08V-384 RECALL NOTIFICATION FOR FURTHER DETAILSDEPENDING ON SEAT CONFIGURATION AND VEHICLE GEOMETRY, THE OCCUPANT DETECTION MAT CAN FATIGUE DURING USE DEPENDING ON THE MANNER AND FREQUENCY OF THE FRONT PASSENGER'S ENTRY AND EXIT.SPECIFICALLY, OVER TIME, MICRO-CRACKS COULD DEVELOP IN THE SIDE FLANKS OF THE MAT CAUSING A BROKEN CIRCUIT.A BROKENCIRCUIT CAN LEAD TO THE DEACTIVATION OF THE PASSENGER AIR BAG AND THE ILLUMINATION OF BOTH THE AIR BAG WARNING LIGHT AND THE PASSENGER AIR BAG LIGHT.

Air Bags:frontal

BMW IS CONDUCTING A SAFETY RECALL CAMPAIGN ON APPROXIMATELY 200,000 MY04 THROUGH MY06 SUBJECT VEHICLES BUILT THROUGH 11/30/05 TO CORRECT THE FRONT PASSENGER SEAT AIR BAG OCCUPANT DETECTION MAT. THE SPECIFIC VEHICLES INCLUDED IN THE RECALL AREMY04- 06/ 5-SERIES WITH STANDARD AND SPORT SEATS, MY04-06/ X3-SERIES AND MY06/ 3-SERIES WITH SPORT SEATS. IN ADDITION, BMW WILL EXTEND THE WARRANTY COVERAGE OF THE PASSENGER SEAT AIR BAG OCCUPANT DETECTION MAT TO 10-YEAR/UNLIMITED MILEAGE ON APPROXIMATELY 120,000 REMAINING MY04-06 SUBJECT VEHICLES BUILT THROUGH 11/30/05. THE SPECIFIC VEHICLES INCLUDED IN THE EXTENDED WARRANTY ARE MY 06/ 6 SERIES, MY 06/ 3-SERIES WITH STANDARD SEATS, MY04-05/ Z4, MY04-06/ 7 SERIES, MY 06/ X5, AND MY04-06/ 5-SERIES WITH COMFORT SEATS.THE AVERAGE FREQUENCY OF FAILURES AMONG THE EXTENDED WARRANTY GROUPS WAS LESS THAN 1/7TH OF THE RECALL VEHICLE GROUPS.PLEASE SEE BMW'S 08V-384 RECALL NOTIFICATION FOR FURTHER DETAILSDEPENDING ON SEAT CONFIGURATION AND VEHICLE GEOMETRY, THE OCCUPANT DETECTION MAT CAN FATIGUE DURING USE DEPENDING ON THE MANNER AND FREQUENCY OF THE FRONT PASSENGER'S ENTRY AND EXIT.SPECIFICALLY, OVER TIME, MICRO-CRACKS COULD DEVELOP IN THE SIDE FLANKS OF THE MAT CAUSING A BROKEN CIRCUIT.A BROKENCIRCUIT CAN LEAD TO THE DEACTIVATION OF THE PASSENGER AIR BAG AND THE ILLUMINATION OF BOTH THE AIR BAG WARNING LIGHT AND THE PASSENGER AIR BAG LIGHT.

Air Bags:frontal:sensor/control MODULE-INACTIVE

BMW IS CONDUCTING A SAFETY RECALL CAMPAIGN ON APPROXIMATELY 200,000 MY04 THROUGH MY06 SUBJECT VEHICLES BUILT THROUGH 11/30/05 TO CORRECT THE FRONT PASSENGER SEAT AIR BAG OCCUPANT DETECTION MAT. THE SPECIFIC VEHICLES INCLUDED IN THE RECALL AREMY04- 06/ 5-SERIES WITH STANDARD AND SPORT SEATS, MY04-06/ X3-SERIES AND MY06/ 3-SERIES WITH SPORT SEATS. IN ADDITION, BMW WILL EXTEND THE WARRANTY COVERAGE OF THE PASSENGER SEAT AIR BAG OCCUPANT DETECTION MAT TO 10-YEAR/UNLIMITED MILEAGE ON APPROXIMATELY 120,000 REMAINING MY04-06 SUBJECT VEHICLES BUILT THROUGH 11/30/05. THE SPECIFIC VEHICLES INCLUDED IN THE EXTENDED WARRANTY ARE MY 06/ 6 SERIES, MY 06/ 3-SERIES WITH STANDARD SEATS, MY04-05/ Z4, MY04-06/ 7 SERIES, MY 06/ X5, AND MY04-06/ 5-SERIES WITH COMFORT SEATS.THE AVERAGE FREQUENCY OF FAILURES AMONG THE EXTENDED WARRANTY GROUPS WAS LESS THAN 1/7TH OF THE RECALL VEHICLE GROUPS.PLEASE SEE BMW'S 08V-384 RECALL NOTIFICATION FOR FURTHER DETAILSDEPENDING ON SEAT CONFIGURATION AND VEHICLE GEOMETRY, THE OCCUPANT DETECTION MAT CAN FATIGUE DURING USE DEPENDING ON THE MANNER AND FREQUENCY OF THE FRONT PASSENGER'S ENTRY AND EXIT.SPECIFICALLY, OVER TIME, MICRO-CRACKS COULD DEVELOP IN THE SIDE FLANKS OF THE MAT CAUSING A BROKEN CIRCUIT.A BROKENCIRCUIT CAN LEAD TO THE DEACTIVATION OF THE PASSENGER AIR BAG AND THE ILLUMINATION OF BOTH THE AIR BAG WARNING LIGHT AND THE PASSENGER AIR BAG LIGHT.

PE07045 · BMW Airbag Light Illumination

Opened Sep 4, 2007 · Closed Jan 4, 2008

Status: closed (inferred from source dates) · Air Bags; Air Bags:frontal; Air Bags:frontal:sensor/control MODULE-INACTIVE

IN CERTAIN MY 2005 THROUGH MY 2006 BMW VEHICLES, THE OCCUPANT CLASSIFICATION SYSTEM (OCS) FOR THE PASSENGER FRONTAL AIRBAG MAY MALFUNCTION AND RENDER THE PASSENGER AIRBAG INOPERATIVE.IN JUNE 2006, BMW ISSUED A TECHNICAL SERVICE BULLETIN (SI B 72 02 06) REGARDING THE ILLUMINATION OF THE AIRBAG WARNING LIGHT AND THE PASSENGER AIRBAG STATUS LAMP.ILLUMINATION OF THESE LIGHTS WARN THAT AN OPEN ELECTRICAL CIRCUIT MAY BE PRESENT WITHIN THE PASSENGER SEAT MAT SENSOR.WHEN BOTH OF THE LIGHTS ARE ILLUMINATED, THE PASSENGER FRONTAL AIR BAG WILL NOT DEPLOY IN A FRONTAL CRASH.CERTAIN BMW VEHICLES IN ADDITION TO THE SUBJECT VEHICLES CONTAIN THE SAME SEAT MAT SENSOR.THESE ARE THE MY 2004 5-SERIES, 7-SERIES AND X3, THE MY 2004 THROUGH 2006Z-4 SERIES AND MY 2006 3-SERIES, 6-SERIES AND X5 VEHICLES.AN IMPROVED SEAT MAT SENSOR WAS INTRODUCED IN DECEMBER 2005 FOR THE MID-MY 2006 PRODUCTION.IN RESPONSE TO ODI'S INFORMATION REQUEST LETTER, BMW PROVIDED 1,172 OWNER REPORTS AND 28,238 WARRANTY CLAIMS.INITIAL REVIEW OF THE DATA INDICATE THAT 280 NON-DUPLICATING OWNER REPORTS AND 13,051 NON-DUPLICATING WARRANTY CLAIMS MAY BE RELATED THE SUBJECT DEFECT ISSUE ON THE SUBJECT VEHICLESTHIS PRELIMINARY EVALUATION IS BEING UPGRADED TO AN ENGINEERING ANALYSIS (EA08-001).

Additional source detail variants (3)

Air Bags

IN CERTAIN MY 2005 THROUGH MY 2006 BMW VEHICLES, THE OCCUPANT CLASSIFICATION SYSTEM (OCS) FOR THE PASSENGER FRONTAL AIRBAG MAY MALFUNCTION AND RENDER THE PASSENGER AIRBAG INOPERATIVE.IN JUNE 2006, BMW ISSUED A TECHNICAL SERVICE BULLETIN (SI B 72 02 06) REGARDING THE ILLUMINATION OF THE AIRBAG WARNING LIGHT AND THE PASSENGER AIRBAG STATUS LAMP.ILLUMINATION OF THESE LIGHTS WARN THAT AN OPEN ELECTRICAL CIRCUIT MAY BE PRESENT WITHIN THE PASSENGER SEAT MAT SENSOR.WHEN BOTH OF THE LIGHTS ARE ILLUMINATED, THE PASSENGER FRONTAL AIR BAG WILL NOT DEPLOY IN A FRONTAL CRASH.CERTAIN BMW VEHICLES IN ADDITION TO THE SUBJECT VEHICLES CONTAIN THE SAME SEAT MAT SENSOR.THESE ARE THE MY 2004 5-SERIES, 7-SERIES AND X3, THE MY 2004 THROUGH 2006Z-4 SERIES AND MY 2006 3-SERIES, 6-SERIES AND X5 VEHICLES.AN IMPROVED SEAT MAT SENSOR WAS INTRODUCED IN DECEMBER 2005 FOR THE MID-MY 2006 PRODUCTION.IN RESPONSE TO ODI'S INFORMATION REQUEST LETTER, BMW PROVIDED 1,172 OWNER REPORTS AND 28,238 WARRANTY CLAIMS.INITIAL REVIEW OF THE DATA INDICATE THAT 280 NON-DUPLICATING OWNER REPORTS AND 13,051 NON-DUPLICATING WARRANTY CLAIMS MAY BE RELATED THE SUBJECT DEFECT ISSUE ON THE SUBJECT VEHICLESTHIS PRELIMINARY EVALUATION IS BEING UPGRADED TO AN ENGINEERING ANALYSIS (EA08-001).

Air Bags:frontal

IN CERTAIN MY 2005 THROUGH MY 2006 BMW VEHICLES, THE OCCUPANT CLASSIFICATION SYSTEM (OCS) FOR THE PASSENGER FRONTAL AIRBAG MAY MALFUNCTION AND RENDER THE PASSENGER AIRBAG INOPERATIVE.IN JUNE 2006, BMW ISSUED A TECHNICAL SERVICE BULLETIN (SI B 72 02 06) REGARDING THE ILLUMINATION OF THE AIRBAG WARNING LIGHT AND THE PASSENGER AIRBAG STATUS LAMP.ILLUMINATION OF THESE LIGHTS WARN THAT AN OPEN ELECTRICAL CIRCUIT MAY BE PRESENT WITHIN THE PASSENGER SEAT MAT SENSOR.WHEN BOTH OF THE LIGHTS ARE ILLUMINATED, THE PASSENGER FRONTAL AIR BAG WILL NOT DEPLOY IN A FRONTAL CRASH.CERTAIN BMW VEHICLES IN ADDITION TO THE SUBJECT VEHICLES CONTAIN THE SAME SEAT MAT SENSOR.THESE ARE THE MY 2004 5-SERIES, 7-SERIES AND X3, THE MY 2004 THROUGH 2006Z-4 SERIES AND MY 2006 3-SERIES, 6-SERIES AND X5 VEHICLES.AN IMPROVED SEAT MAT SENSOR WAS INTRODUCED IN DECEMBER 2005 FOR THE MID-MY 2006 PRODUCTION.IN RESPONSE TO ODI'S INFORMATION REQUEST LETTER, BMW PROVIDED 1,172 OWNER REPORTS AND 28,238 WARRANTY CLAIMS.INITIAL REVIEW OF THE DATA INDICATE THAT 280 NON-DUPLICATING OWNER REPORTS AND 13,051 NON-DUPLICATING WARRANTY CLAIMS MAY BE RELATED THE SUBJECT DEFECT ISSUE ON THE SUBJECT VEHICLESTHIS PRELIMINARY EVALUATION IS BEING UPGRADED TO AN ENGINEERING ANALYSIS (EA08-001).

Air Bags:frontal:sensor/control MODULE-INACTIVE

IN CERTAIN MY 2005 THROUGH MY 2006 BMW VEHICLES, THE OCCUPANT CLASSIFICATION SYSTEM (OCS) FOR THE PASSENGER FRONTAL AIRBAG MAY MALFUNCTION AND RENDER THE PASSENGER AIRBAG INOPERATIVE.IN JUNE 2006, BMW ISSUED A TECHNICAL SERVICE BULLETIN (SI B 72 02 06) REGARDING THE ILLUMINATION OF THE AIRBAG WARNING LIGHT AND THE PASSENGER AIRBAG STATUS LAMP.ILLUMINATION OF THESE LIGHTS WARN THAT AN OPEN ELECTRICAL CIRCUIT MAY BE PRESENT WITHIN THE PASSENGER SEAT MAT SENSOR.WHEN BOTH OF THE LIGHTS ARE ILLUMINATED, THE PASSENGER FRONTAL AIR BAG WILL NOT DEPLOY IN A FRONTAL CRASH.CERTAIN BMW VEHICLES IN ADDITION TO THE SUBJECT VEHICLES CONTAIN THE SAME SEAT MAT SENSOR.THESE ARE THE MY 2004 5-SERIES, 7-SERIES AND X3, THE MY 2004 THROUGH 2006Z-4 SERIES AND MY 2006 3-SERIES, 6-SERIES AND X5 VEHICLES.AN IMPROVED SEAT MAT SENSOR WAS INTRODUCED IN DECEMBER 2005 FOR THE MID-MY 2006 PRODUCTION.IN RESPONSE TO ODI'S INFORMATION REQUEST LETTER, BMW PROVIDED 1,172 OWNER REPORTS AND 28,238 WARRANTY CLAIMS.INITIAL REVIEW OF THE DATA INDICATE THAT 280 NON-DUPLICATING OWNER REPORTS AND 13,051 NON-DUPLICATING WARRANTY CLAIMS MAY BE RELATED THE SUBJECT DEFECT ISSUE ON THE SUBJECT VEHICLESTHIS PRELIMINARY EVALUATION IS BEING UPGRADED TO AN ENGINEERING ANALYSIS (EA08-001).