There are 50 owner-reported electrical system complaints for the 2006 BMW 5 Seriesin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2006 BMW 525xi. The contact stated while driving 50 MPH, the contact smelled the odor of burning coming from the vehicle, and the contact noticed smoke coming from the trunk of the vehicle. The contact pulled over and notice that smoking was coming from the battery. The contact was able to stop the smoke. The vehicle would not restart, and the vehicle was towed to the contact's home. The vehicle was not diagnosed. The vehicle was repaired. The manufacturer was not contacted. The failure mileage was 154,000.
PCV issue UNKNOWN
The insulation on the internal wiring of the headlight (left and right) have fallen off the wiring leaving sections of conductor exposed creating shorts in the lighting system. This is a known problem in the BMW community (owners and BMW) since at least 2011. This is due to the use of bio-degradable wiring by BMW that breaks down prematurely. Replacement headlight assemblies (high intensity discharge Xenon) are over $1,000 each. Both halogen high beam lights are inoperable which reduces driver vision at night on suburban roadways. Re-wiring with correctly specified wiring is possible but requires specific skills and experience. This is a known problem which BMW has hoped would go away as few of their cars of this age are on the road. This risk assessment driven policy should not shield BMW from fully addressing their failures in material selection which impact safe use of their cars.
HEADLIGHTS WOULD TAKE TURNS RANDOMLY WORKING, THEN ONE NIGHT BOTH HEADLIGHTS TURNED OFF WHILE I WAS GOING AROUND A CORNER AT 55MPH. THIS WAS IN THE COUNTRY NO STREET LIGHTS. JUST AS I CAME TO A BLIND STOP THERE BOTH KICKED BACK ON. AFTER GETTING HOME I TOOK APART TO FIND SOME WIRES WERE ROTTING OTHER ALREADY BARE, AND OTHERS CRACKING. I PRAY THIS DOESNT HAPPEN TO ANYONE ELSE BECAUSE IF THIS PROBLEM ISN'T FIXED SOMEONE'S GOING TO DIE. ALSO IF SOMEONE DOES CRASH I PRAY TO GOD THEY CAN QUICKLY GET OUT OF CAR BEFORE ALL THOSE BARE WIRES BEHIND HEADLIGHT GET SMASHED TOGETHER AND THE FIRE STARTS.
The contact owns a 2006 BMW 530i. The contact stated that the battery drained quickly, which caused the contact to frequently replace the battery. The vehicle was taken to an independent mechanic however, the mechanic could not duplicate the failure. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 100,000.
STALLS OUT, SKIPS, HESITATES, ETC., PCV VALVE RECALL THIS OCCURS WHEN DRIVING THE CAR ON STREETS, HIGHWAYS ETC., WHEN DRIVING THE CAR. *TR
CAR SHUT OFF MIDDLE OF HIGHWAY VERY DANGEROUS AND DEADLY ALL BECAUSE KEY LOST CODE...HOW IF IT'S IN THE IGNITION AND I'VE BEEN DRIVING OVER SEVERAL MILES
I WAS ON MY WAY TO WORK AND HAD DRIVEN ONLY 4 1/2 MILES AT 6:55AM ON THURSDAY, AUGUST 15, 2019. I WAS ABOUT 1/2 FROM WORK ON A CITY STREET WHEN SMOKE BEGAN COMING OUT THE AIR VENTS AND STEERING COLUMN. A SMELL OF PLASTIC, ELECTRICAL FILLED THE CAR AND I PULLED INTO THE NEAREST PLACE WHEN THE SMOKE WAS QUICKLY INCREASING. MY SON AND I JUMPED OUT OF THE CAR AND CALLED 911. THE FIRE DEPARTMENT ARRIVED ALMOST IMMEDIATELY, AND UPON PULLING UP, BEFORE THEY COULD GET OUT OF THE TRUCK, THE DRIVER'S SIDE CURTAIN AIRBAG EXPLODED, THE FIREMEN HEARD THE EXPLOSION. BY THE TIME THEY PULLED THEIR HOSES AND LIFTED THE HOOD, SMOKE WAS HEAVILY COMING FROM THE CAR. WHEN THE AIRBAG EXPLODED, A LARGE PIECE OF PLASTIC SHRAPNEL WAS BLOWN TO THE PASSENGER SIDE OF THE CAR AND STUCK BETWEEN THE WINDSHIELD AND THE WINDOW AND STUCK INTO THE EDGE WINDSHIELD FRAME. THE FIREFIGHTERS TRIED FOR SEVERAL MINUTES TO GET THE SOURCE UNDER CONTROL AND FINALLY WAS ABLE TO WHEN THEY DISCONNECTED THE BATTERY. I HAD MY CAR TOWED TO BMW COLUMBUS, THEY "REPAIRED THE RECALL" AND SAID THAT THE FIRE WAS NOT A RESULT OF THE RECALL. I BELIEVE THAT IF THE FIREFIGHTERS DID NOT RESPOND AS QUICKLY AS THEY DID BECAUSE THEY WERE NEARBY, THEN MY CAR WOULD HAVE GONE UP IN FLAMES.
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.
DEGRADATION OF HEADLIGHT WIRING. WIRE INSULATION IS FLAKING, CRACKING, AND INTERNAL CONDUCTOR WIRES ARE EXPOSED. CAUSES INTERMITTENT HEADLIGHT ISSUES AS WIRING SHORTS DURING DRIVING.
HEADLIGHT WIRE INSULATION FLAKING OFF AND WIRES ARE SHORTING CAUSING HEADLIGHT TO GO OFF. WIRES SHORT AND ARCING. THE HEADLIGHT WENT OFF WHILE DRIVING ON HIGHWAY AT NIGHT.
BECAUSE OF POOR QUALITY OF FIBER OPTICS WIRING USED ON THE HEADLIGHT THEY TEND DRY ROT RESULTING IN A BURNT OUT HEADLIGHT. WHICH CAN BECOME A SAFETY HAZARD.
COMPUTER DRAWING DOWN BATTERY AND CAR WILL NOT START SEEMS TO HAPPEN MORE WHEN IT'S DAMP AND RAINING THIS HAPPENS WHEN THE CAR IS PARKED PASSENGER AIRBAG LIGHT IS ON BMW WOULD LIKE $2500. TO REBOOT COMPUTER I THINK ITS A SCAM
MY BMW APPEARS TO THE HAVE AN ISSUE WITH THE PASSENGER AIR BAG SENSOR, BUT THE VIN ISN'T INCLUDE IN THE RECALL LIST. KINDLY REQUEST RECALL, AS THE VEHICLE HASN'T BEEN IN AN ACCIDENT, BUT PASSENGER AIR BAG LIGHT REMAINS ON.
HEAD LIGHTS ANGLE LIGHTS WIRES GETTING VERY DRY FROM THE HEAT OF THE LIGHT AND THE INSULATION COMING OFF THE OPTICAL WIRES, LIGHTS GO OUT, POSSIBLE SHORTING AND BECOME VERY UNSAFE.
MY BMW WAS PARKED OUTSIDE A RESTAURANT IN OVERLAND PARK, KS, AT LUNCH TIME ON MARCH 7, 2017. AUTO WAS LOCKED AND ALL WINDOWS AND SKYLIGHT WERE CLOSED. WHEN I RETURNED TO MY CAR AFTER LUNCH, THE CAR WAS UNLOCKED AND ALL WINDOWS AND SKYLIGHT WERE OPEN. THE KEY WAS IN MY PURSE AND WAS UNTOUCHED. POSSIBLE THEFT ATTEMPT?
THE WIRING HARNESS INSIDE THE HEADLIGHTS IS CRUMBLING AWAY CAUSING LIGHTS TO INTERMITTENTLY NOT WORK. THE WIRES SPARK WHEN THEY TOUCH TOGETHER. THIS IS A FIRE HAZARD.
TL* THE CONTACT OWNS A 2006 BMW 525XI. WHILE DRIVING, THE CONTACT NOTICED AN ODOR OF BURNING RUBBER AND THE ALTERNATOR WARNING INDICATOR ILLUMINATED. ALSO, THE POWER FAILED WITHOUT WARNING. THE CONTACT STATED THE VEHICLE WAS NOT ABLE TO START WITHOUT RECEIVING A JUMP. THE CONTACT TOOK THE VEHICLE TO A CERTIFIED MECHANIC WHO DIAGNOSED THAT THE WIRES CONNECTED TO THE BATTERY WERE BURNED. THE CONTACT STATED THEY WOULD TAKE THE VEHICLE TO THE DEALER TO RECEIVE AN OFFICIAL DIAGNOSTIC TEST. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 140,000.
INSULATION AROUND THE WIRING IN THE HEADLIGHTS HAS COMPLETELY CRUMBLED OFF AND BARE WIRE IS EXPOSED, COULD POSSIBLE TOUCH AND CAUSE A FIRE. PASSENGER AIR BAG SENSOR IN THE SEAT IS FAULTY AND I RECIEVED A RECALL NOTICE BUT BMW SAYS THERE IS NO RECALL ON MY CAR AND REFUSES TO FIX.
MCM BURNED UP GOT WET AND STANK UP WHOLE TRUNK BECAUSE OF DESIGN FLAW BY BMW WE WERE DRIVING AS IT BURNED UP TILL WE HAD TO PULL OVER BECAUSE OF THE AWFUL SMELL
Showing 1–20 of 50 complaints
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026