FaultScore

BMW 525I engine problems

79 of the 663 complaints filed about the BMW 525I are about the engine — 12% of everything owners reported. The worst model year for it is 1990.

79

Complaints

12%

Share of all complaints

0

Crashes

12

Fires

Engine & Cooling complaints by model year

1989 525I 1 1.3%
1990 525I 15 19.0%

Median failure at 140,201 miles

1991 525I 6 7.6%
1992 525I 13 16.5%

Median failure at 142,000 miles

1993 525I 5 6.3%
1994 525I 3 3.8%
1995 525I 4 5.1%
2001 525I 8 10.1%

Median failure at 160,000 miles

2002 525I 2 2.5%

Median failure at 75,000 miles

2003 525I 1 1.3%
2004 525I 3 3.8%

Median failure at 14,527 miles

2005 525I 1 1.3%
2006 525I 7 8.9%

Median failure at 135,000 miles

2007 525I 9 11.4%

Median failure at 71,400 miles

2008 525I 1 1.3%

Median failure at 84,722 miles

What owners said

2005 BMW 525I Perris, CA

ENGINE

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 complaint #11621558 — an unverified report by a vehicle owner.

2006 BMW 525I at 235,641 miles Seaside, CA

ENGINE AND ENGINE COOLING

The contact owns a 2006 BMW 525I. The contact received notification of NHTSA Campaign Number: 22V119000 (Engine and Engine Cooling) however, the part to do the recall repair was unavailable. The contact stated while driving approximately 30 MPH, she noticed the odor of burning plastic. The contact stated that the check radiator light was illuminated. The contact stated that she drove the vehicle to a dealer. The dealer diagnosed that the failure was with the PCV valve and replaced the PCV valve. The vehicle was repaired; however, the contact was billed by the dealer for the repair. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The failure mileage was 235,641. The manufacturer was made aware of the issue. VIN tool confirms parts not available.

NHTSA complaint #11491227 — an unverified report by a vehicle owner.

2007 BMW 525I at 284,191 miles Tallulah, LA

ENGINE AND ENGINE COOLING

The contact owns a 2007 BMW 525I. The contact received notification of NHTSA Campaign Number: 22V119000 (Engine and Engine Cooling). The vehicle was taken to the dealer for the recall repair however, upon retrieving the vehicle, the contact noticed that the vehicle was shaking while driving at various speeds. The contact stated that the failure had worsened while at a complete stop. Over time, the service engine warning light illuminated. The dealer was notified of the failure and the contact was placed on an indefinite hold until the call disconnected. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was 284,191.

NHTSA complaint #11489838 — an unverified report by a vehicle owner.

2007 BMW 525I at 189,000 miles Huntington Beach, CA

ENGINE

The contact owns a 2007 BMW 525i. The contact stated that while driving at approximately 75-85 MPH, she smelled smoke coming from the hood of the vehicle. The contact was unsure if any warning lights illuminated. The vehicle was taken to an independent mechanic where he referenced NHTSA Campaign Number: 22V119000 (Engine And Engine Cooling) , but the vehicle was not diagnosed for the failure. The dealer was not notified of the failure. The manufacturer was not notified of the failure. The approximate failure mileage was 189,000.

NHTSA complaint #11478651 — an unverified report by a vehicle owner.

2006 BMW 525I Pittsburg, CA

ENGINE

I received a notice in the mail stating that my vehicle with the matching Vin had a recall for the pc value heater. And that it causes the vehicle to over heat and catch fire I contacted the dealership and manufacturer and I was told that there was no remedy available as I started experiencing issue's with my vehicle. It worries me because I constantly have my grandchildren with me and don't want them in a unsafe vehicle.

NHTSA complaint #11464424 — an unverified report by a vehicle owner.

2007 BMW 525I Laguna Niguel, CA

ENGINE AND ENGINE COOLING

The contact owns a 2007 BMW 525i. The contact received notification of NHTSA Campaign Number: 22V119000 (Engine and Engine Cooling) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

NHTSA complaint #11464204 — an unverified report by a vehicle owner.

2006 BMW 525I at 135,000 miles Cottondale, AL

ENGINE AND ENGINE COOLING

The contact owns a 2006 BMW 525i. The contact stated while driving 60-65 MPH, the vehicle started to overheat. The coolant temperature warning light was illuminated. The contact veered to the side of the road and added coolant in the vehicle. The contact then continued to drive. The contact stated that the failure reoccurred while driving. The contact stated that he replaced the thermostat himself. However, the failure persisted and the vehicle failed to start. The vehicle was towed to the residence. The contact later received notification of NHTSA Campaign Number: 22V119000 (Engine and Engine Cooling) however, the part to do the recall repair was not yet available. The local dealer was not contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the failure. The vehicle was not diagnosed or repaired. The failure mileage was approximately 135,000. VIN tool confirms parts not available.

NHTSA complaint #11463215 — an unverified report by a vehicle owner.

2007 BMW 525I at 34,406 miles West Islip, NY Fire

ENGINE AND ENGINE COOLING

The contact owns a 2007 BMW 525i. The vehicle had previously been serviced by the dealer under an unknown NHTSA campaign; however, the failure recurred with a burning odor detected. Additionally, several unknown warning lights were illuminated. The contact then received notification of NHTSA Campaign Number: 22V119000 (Engine and Engine Cooling) however, the part to do the recall repair was not yet available. The dealer was made aware of the failure but confirmed that parts were not yet available. The manufacturer was made aware of the failure but confirmed that parts were not yet available. The vehicle was not repaired. The failure mileage was 34,406. VIN tool confirms parts not available.

NHTSA complaint #11456091 — an unverified report by a vehicle owner.

2001 BMW 525I at 177,000 miles Naselle, WA Fire

ENGINE

I DROVE THE CAR A MILE TO THE STORE AND A MILE BACK AND WHEN I WAS WALKING AWAY YOU COULD SEE A SPARK AND THEN A MINUTE LATER ANOTHER ONE AND ANOTHER UNTIL THEN THE CAR STARTED SMOKING AND WITHIN 4 MINUTES THE CAR WAS ENGULFED IN FLAMES. MY SECURITY CAMERAS CAUGHT THE WHOLE THING ON TAPE. WE TRIED OUR BEST TO CONTAIN THE FIRE BUT IT TOOK THE FIRE DEPARTMENT TO PUT IT OUT.

NHTSA complaint #11316372 — an unverified report by a vehicle owner.

2001 BMW 525I at 160,000 miles Galt, CA Fire

ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

TL* THE CONTACT OWNS A 2001 BMW 525I. THE CONTACT STATED AFTER PARKING AND RETURNING TO THE VEHICLE, UPON STARTING THE VEHICLE DETECTED A BURNING ODOR AND FLAMES EXITING THE FRONT OF HOOD. THE CONTACT STATED NO WARNING LIGHT WAS ILLUMINATED. THE CONTACT STATED WHEN OPENING THE HOOD HE SAW FIRE LOCATED IN FRONT OF THE RADIATOR. THE CONTACT STATED HE EXTINGUISHED THE FIRE WITH WATER HE HAD AVAILABLE. NO POLICE OR FIRE DEPARTMENT REPORT WAS FILED. THE CONTACT STATED HE WAS ABLE TO DISCONNECT WIRES FOR THE ELECTRICAL FAN AND CONTINUED DRIVING THE VEHICLE. THE CONTACT CALLED NIELLO BMW ELK GROVE (8580 LAGUNA GROVE DR, ELK GROVE, CA 95757 (916) 687-9000) WERE MADE AWARE OF THE FAILURE. THE CONTACT STATED THE DEALER INFORMED HIM THAT THE VEHICLE WAS SERVICED UNDER UNKNOWN RECALL FOR THE ENGINE AND ENGINE COOLING IN 2002.THE VEHICLE HAD NOT BEEN DIAGNOSED OR REPAIRED AS OF YET. THE MANUFACTURER HAD NOT BEEN INFORMED OF FAILURE. THE FAILURE MILEAGE WAS 160,000.

NHTSA complaint #11310203 — an unverified report by a vehicle owner.

2001 BMW 525I at 160,000 miles Galt, CA Fire

ENGINE

I HAD TAKEN A LONGER ROAD TRIP, AND WAS ON MY WAY BACK, ABOUT A QUARTER OF THE WAY WHEN WE STOPPED FOR DINNER. I PARKED, AND EVERYTHING WAS USUAL. A COUPLE MINUTES LATER, I WENT TO MOVE THE CAR, AND WHILE I WAS WAITING IN A DRIVE-THRU LINE, I SEE SMOKE BILLOWING OUT FROM UNDER THE HOOD AND I SMELL A BURNING SMELL. I PARKED THE CAR BACK WHERE IT HAD BEEN, AND, THINKING IT WAS A COOLANT ISSUE, OPENED THE HOOD TO LET THE ENGINE COOL DOWN, AND LEFT MY PASSENGERS WITH THE CAR AND WALKED ACROSS THE STREET TO BUY SOME COOLANT. WHEN I RETURNED, MY PASSENGERS TOLD ME THAT THEY HAD NOTICED A FLAME AT THE EXTREME FRONT OF THE ENGINE AND HAD TO DOUSE IT WITH WATER. I CHECKED, AND I SAW THAT THE WIRES LEADING TO THE AUXILIARY COOLING FAN IN FRONT OF THE RADIATOR HAD MELTED AND CAUGHT ON FIRE AND BURNED THE PLASTIC NEAR THEM (AS SEEN IN THE PICTURE). I THEN FOUND THE CONNECTOR FOR THOSE WIRES AND DISCONNECTED THEM SO THAT THEY COULD NOT RELIGHT. I DID SOME RESEARCH AND FOUND THAT THIS IS A COMMON PROBLEM RESULTING FROM THE WIRES PULLING TOO MUCH POWER AND THUS MELTING THEMSELVES. THE PROBLEM WITH THE WIRES DID NOT SET OFF ANY WARNING OR CHECK ENGINE LIGHTS, AND DID NOT AFFECT THE ENGINE TEMPERATURE, AT LEAST AT FREEWAY SPEEDS. I ALSO FOUND OUT THAT THE BATTERY CAN RUN THIS FAN FOR UP TO 11 MINUTES AFTER THE ENGINE IS TURNED OFF, THUS BEING ABLE TO START A FIRE IN A GARAGE WHEN NO ONE IS AROUND. THIS PROBLEM IS EXTREMELY DANGEROUS AS THE WHOLE CAR COULD GO UP IN FLAMES.

NHTSA complaint #11309992 — an unverified report by a vehicle owner.

2007 BMW 525I at 50,000 miles APO, AP

ENGINE

THE NHTSA DATABASE IS SHOWING A RECALL FOR MY CAR HAS NOT BEEN COMPLETED. HOWEVER I AM CURRENTLY IN SOUTH KOREA WITH MY CAR AND THE DEALERSHIP HERE IS TELLING ME THAT THE RECALL HAS BEEN COMPLETED. THIS IS A CONFLICT. I CAN NOT SHIP MY CAR BACK TO THE US WITHOUT THIS RECALL BEING CLEARED. CAN SOMEONE PROVIDE ME DOCUMENTATION SHOWING THAT THE RECALL HAS BEEN SATISFIED.

NHTSA complaint #11270887 — an unverified report by a vehicle owner.

2006 BMW 525I at 307,726 miles Perth Envoy, NJ Fire

ENGINE

TL* THE CONTACT OWNS A 2006 BMW 525-I. THE CONTACT STATED THAT THE VEHICLE WAS PARKED WITH THE ENGINE TURNED OFF, SMOKE STARTED EMERGING FROM THE ENGINE COMPARTMENT. THE HOOD WAS OPENED AND A FIRE WAS DISCOVERED COMING FROM THE PASSENGER SIDE. THE FIRE DEPARTMENT WAS CALLED AND THEY EXTINGUISHED THE FIRE. THE POLICE WAS PRESENT AND A REPORT WAS ISSUED. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR A DIAGNOSTIC. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 307,726.

NHTSA complaint #11240285 — an unverified report by a vehicle owner.

2006 BMW 525I Oxnard, CA Fire

FIRERELATED

WE RECEANTLY PURCHASED A USED BMW 525 I. AND IT SUDDENLY CAUGHT ON FIRE WHILE MY SON CAME TO A STOP. HE BARLEY EXCAPED WITH HIS LIFE. THE WHOLE CAR WAS UP IN FLAMES. WE DONT KNOW WHERE IT CAME FROM BUT IT WAS THE WORST THING THAT I SEEN. THANK GOD HE WAS ABLE TO GET OUT OF THE VEHICLE WHEN HE DID. WE NEVER THOUGHT WE WOULD HAVE TO WORRY ABOUT HIS SAFETY IN THIS VEHICLE, BEING ONE OF THE TOP OF THE LINE VEHICLES!

NHTSA complaint #11184997 — an unverified report by a vehicle owner.

2008 BMW 525I at 84,722 miles Caraway, AR

ENGINE

POSITIVE CRANKCASE VENTILATION (PCV) VALVE HEATER. I WAS TOLD THAT THE PART NEED TO FIX THIS RECALL IS STILL NOT AVAILABLE. MY CAR HAS A BURRING SMELL COMING FROM UNDER THE HOOD OF MY CAR.

NHTSA complaint #11091721 — an unverified report by a vehicle owner.

2007 BMW 525I Hemet, CA

ENGINE

TL* THE CONTACT OWNS A 2007 BMW 525I. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V683000 (ENGINE AND ENGINE COOLING). THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. AN UNKNOWN BMW DEALER IN HEMET, CALIFORNIA WAS MADE AWARE OF THE RECALL AND STATED THAT THE PARTS WERE UNAVAILABLE. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT STATED THAT THE ENGINE OVERHEATED ON MORE THAN ONE OCCASION. THE FAILURE MILEAGE WAS UNKNOWN. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

NHTSA complaint #11075990 — an unverified report by a vehicle owner.

2007 BMW 525I at 56,000 miles Ocala, FL

ENGINE

TL* THE CONTACT OWNS A 2007 BMW 525I. UPON DRIVING THE VEHICLE FOR SEVERAL MINUTES, AN UNKNOWN ODOR WAS DETECTED IN THE VEHICLE. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS NOT TAKEN TO AN INDEPENDENT MECHANIC OR DEALER FOR DIAGNOSTIC TESTING. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V683000 (ENGINE AND ENGINE COOLING); HOWEVER, THE PARTS DO TO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE DEALER (BMW OF OCALA 5145 SW COLLEGE RD, OCALA, FL 34474, (352) 861-0234) WAS CONTACTED AND CONFIRMED THAT THE PARTS WERE NOT AVAILABLE FOR THE RECALL REMEDY. THE MANUFACTURER WAS NOT MADE AWARE OF THE ISSUE. THE FAILURE MILEAGE WAS 56,000. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

NHTSA complaint #11064800 — an unverified report by a vehicle owner.

2001 BMW 525I at 206,000 miles Rosharon, TX Fire

ENGINE

POSSIBLE BMW RECALL ISSUE (CAR SPONTANEOUSLY CAUGHT FIRE WHILE CAR OFF). CAR PURCHASED ON 11/8/17. ON 11/16/17, CAR WAS PARKED IN OUR DRIVEWAY WITH IGNITION OFF AFTER DRIVING APPROXIMATELY 30 MINUTES. APPROXIMATELY 10 MINUTES LATER, DRIVER HEARD THE CAR ALARM GO OFF WHICH PROMPTED HIM TO GO OUTSIDE AND SAW FLAMES AND SMOKE COMING FROM UNDER THE HOOD. DRIVER CALLED 911. CAR CONTINUED TO COMBUST SEVERAL TIMES BEFORE FIRE DEPT GOT TO OUR HOUSE. SEE PICTURES FOR DAMAGE. WE STILL HAVE THE BMW CAR IN QUESTION IN OUR DRIVEWAY.

NHTSA complaint #11047515 — an unverified report by a vehicle owner.

2007 BMW 525I at 110,000 miles Alviso, CA

ENGINE

OVERHEATED, I HAVE SPENT OVER $3000 TO REPAIR THE OVERHEAT PROBLEM, IT KEEP COMING BACK

NHTSA complaint #11047358 — an unverified report by a vehicle owner.

2004 BMW 525I Fresno, CA

ENGINE

SINCE 2012, THE NIGHTMARES BEGIN WITH TRYING TO GET MY 525I SMOGGED, FROM WEBER BMW FRESNO UNDER A WHOOPING $500.00. EVERY TIME THE SMOG IS DUE WHICH IS EVER 2-YRS THE SERVICE ENGINE LIGHT COMES ON.... AND BMW GIVES YOU THE CODE YOU REPLACE WHAT THE CODE SAYS AND THEN GUESS WHAT THE LIGHT COMES BACK ON THEY KEEP CHARGING YOU A DIAGNOSTICS CHARGE OF $130.00 EACH TIME AND WHEN YOU GET TO $500.00 THEY NOW KNOW WHAT THE PROBLEM IS WHICH WILL COST YOU AROUND $1000.00 OR SO. BMW GAVE HIM A CODE FOR $130.00, HE MADE THE REPAIR BASED ON THEIR INFORMATION AND GUESS WHAT IT DIDN'T PASS SMOG. SO, MY MECHANIC TOOK IT BACK, SERVICE ADVISER NOT IN WHO HANDLED THE CAR THE FIRST TIME SO THEIR IS ANOTHER DIAGNOSTICS FEE OF $130.00, MY MECHANIC TELLS THEM FINE JUST SMOG IT. WELL IT'S BEEN TWO WEEKS WITH THE BMW SERVICE CENTER, THEY CLAIM TO NOT KNOW WHAT THE PROBLEM IS BUT THEY NEED AUTHORIZATION NOW FOR ADDITIONAL DIAGNOSTICS WHICH WOULD BRING THE TOTAL TO $520.00, AND YOU GUESSED IT THE CAR STILL HASN'T PASSED SMOG. I CALLED TO SPEAK TO THE SERVICE MANGER ON 2/11, FOR ASSISTANCE AND OF COURSE HE IS GOING TO LOOK INTO IT AND CALL ME BACK. MY MECHANIC SAYS HE WAS LAST INFORMED THIS SAME THING BY THE SERVICE MANAGER BUT THE SERVICE ADVISER SAID HE WOULD NEED AUTHORIZATION TO PROCEED WITH THE CHARGE OF $520.00 IN ORDER TO DO ANOTHER DIAGNOSTICS?? ...WHEN IN FACT ALL THEY DO IS RAKE UP FALSE CHARGES AND CODES BASED ON THE MILEAGE OF YOUR VEHICLE, YOU CAN FORGET THE FACT THAT YOU KEEP UP THE MAINTENANCE ON YOUR VEHICLE, IT WON'T MATTER WHEN THE TIME COMES TO GET YOUR VEHICLE SMOG BE PREPARED TO BE SCAMMED BY WEBER BMW IN FRESNO.

NHTSA complaint #10836455 — an unverified report by a vehicle owner.

Other BMW 525I problems