There are 10 owner-reported brakes complaints for the 2004 BMW 5 Seriesin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2004 BMW 530I. WHILE DRIVING 10 MPH, THE BRAKE PEDAL WAS DEPRESSED AND FAILED TO STOP THE VEHICLE. THE FAILURE WAS INTERMITTENT. THE VEHICLE WAS TAKEN TO THE DEALER TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE MECHANIC WAS UNABLE TO DUPLICATE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 61,364.
TL* THE CONTACT OWNS A 2004 BMW 545I. THE CONTACT STATED THAT WHILE DRIVING 15 MPH, THE BRAKES WERE DIFFICULT TO DEPRESS AND FAILED TO RESPOND. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND INFORMED THE CONTACT THAT THERE WAS A MANUFACTURER'S RECALL ON THE BRAKE BOOSTER THAT HAD BEEN PREVIOUSLY PERFORMED ON THE VEHICLE. THE APPROXIMATE FAILURE MILEAGE WAS 113,000.
TL* THE CONTACT OWNS A 2004 BMW 545I. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THERE WAS AN INCREASE IN BRAKING DISTANCE WHEN THE BRAKES WERE APPLIED. THE CONTACT ALSO MENTIONED THAT BRAKE FLUID WAS LEAKING FROM THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE TECHNICIAN DIAGNOSED THAT THE BRAKE PUMP, BRAKE BOOSTER PUMP SEAL, AND THE OIL PRESSURE SENSOR NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 121,000 AND THE CURRENT MILEAGE WAS 122,000. UPDATED 11/20/14*LJ
OUR CARS BRAKES FAILED AND IT WAS IMPOSSIBLE TO STOP WE REPLACED THE BRAKE PADS AND SENSORS AND TESTED THE CAR AND IT DID NOT MAKE ANY DIFFERENCE AS THE OLD PADS WERE STILL OVER 60%.WE TOOK THE CAR TO BMW OF ARLINGTON TEXAS FOR REPAIRS. THE DEALERSHIP TOOK THE VEHICLE IN AND TOLD US THAT THE MASTER CYLINDER NEEDED TO BE REPLACED,THEY ORDERED THE MASTER CYLINDER AND AT THAT TIME THE QUOTE WAS A LITTLE OVER $1000.THEY CALLED US BACK AND SAID THAT WHEN THEY TOOK OUT THE MASTER CYLINDER THEY NOTICED THE BRAKE BOOSTER SERVO HAD OIL IN IT AND THE DIAPHRAGM WAS BAD AND NEEDED TO BE REPLACED NOW THE QUOTE WENT UP OVER $2000 THEY INSTALLED ALL THE PARTS AND GAVE THE CAR BACK TO US SAID EVERYTHING WAS PERFECT. WE WENT ON THE FREEWAY AND HEARD A LOUD POUNDING NOISE,PULLED OVER ON THE FREEWAY AT THIS TIME THERE WAS NO CHANGE IN THE BRAKING IT WAS THE SAME AS WE HAD ORIGINALLY COMPLAINED ABOUT .WE TOOK THE CAR BACK IN AND THEY FOUND THAT THE ENGINE COVER WAS MISSING I TOLD THEM THE CAR WAS FINE EXCEPT FOR THE BRAKES SO THEY KEPT THE CAR IN THE SHOP AND ORDERED THE MISSING PARTS AND INSTALLED THEM FOR NO CHARGE. THEY DELIVERED THE CAR BACK TO US FRIDAY APRIL 10TH NOW NEARLY 3 WEEKS LATER WE LEFT THE CAR IN THE DRIVEWAY AND USED OUR OTHER CARS AS IT WAS LOW ON GAS AND WE DIDN'T HAVE TIME TO REFILL IT. TODAY APRIL 12TH MY WIFE TOOK THE CAR TO GET IT GASSED UP AND READY FOR MONDAY. SHE DROVE OFF AND TRIED TO STOP AT THE FIRST STOP SIGN AND THE CAR WOULD NOT STOP THE BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR AND SINCE SHE WAS REALLY SLOW THE CAR DID STOP BUT WAY PAST THE STOP SIGN ALMOST HITTING THE CURB. THE BMW DEALERSHIP TOLD US THAT THEY HAD LOOKED AT THE CAR AND IT WAS FINE. THEY RELEASED AN UNSAFE MOTOR VEHICLE ON THE STREET WHEN THE BRAKES WERE CLEARLY NOT REPAIRED TO STANDARD I HAVE PAID OVER $2000 AND I HAVE A CAR THAT IS STILL BROKEN PLEASE HELP RESOLVE THIS. *TR UPDATED 10/3/2014 *JS
TL* THE CONTACT OWNS A BMW 2004 545. THE CONTACT STATED THAT THE VEHICLE WAS REPAIRED UNDER NHTSA CAMPAIGN ID NUMBER: 10V446000 (SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM) YET THE VACUUM PUMP WAS STILL LEAKING. THE DEALER ADVISED THAT THE ENTIRE VACUUM PUMP WOULD NEED REPLACING. THE CONTACT CALLED THE MANUFACTURER REGARDING THE RECALL REPAIR AND THEY ADVISED THAT THEY WERE UNABLE TO ASSIST. THE CONTACT WAS NOT SATISFIED WITH THE RECALL REMEDY AND STATED THAT THE VEHICLE WAS UNSAFE TO DRIVE. THE FAILURE MILEAGE WAS 93,570.
IT WAS A RECALL FOR BRAKE FLUID PUMP CHECK VALVE OIL LEAK, AND THEY REPLACED VACUUM HOSE, DID NOT FIXED FLUID LEAK . FLUID IS STILL LEAKING A SMALL AMOUNT.
TL* THE CONTACT OWNS A 2004 BMW 540 FIVE I. THE CONTACT STATED THAT OIL WAS LEAKING INTO THE BRAKES. THE VEHICLE WAS REPAIRED UNDER NHTSA CAMPAIGN ID NUMBER: 10V446000 (SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM). AFTER REPAIRS, OIL CONTINUED TO LEAK INTO THE BRAKES. THE MANUFACTURER WAS CONTACTED BUT THE VEHICLE WAS NOT FURTHER REPAIRED. THE FAILURE MILEAGE WAS 90,000 AND THE CURRENT MILEAGE 98,000.
WHILE DRIVING AT SPEEDS OF 45 MPH AND DEPRESSING THE BRAKE PEDAL, THE BRAKES WOULD NOT FULLY ENGAGE. THE VEHICLE DECREASED IN SPEED BUT WOULD NOT STOP. SHE WAS ABLE TO MOVE THE VEHICLE FROM THE HIGHWAY AND ENGAGED THE EMERGENCY BRAKE TO STOP THE VEHICLE. MECHANIC ADVISED THE BRAKE BOOSTER AND VACUUM HAD FAILED. MILEAGE 60,000. *TR
I ALSO HAVE THE FOLLOWING PROBLEM ON MY 525I BMW. I TOOK IT IN A COUPLE OF TIMES AND THEY SAY THERE IS NOTHING WRONG WITH MY CAR. *JB
2004 BMW 525I EXPERIENCING PROBLEMS WITH THE BRAKE EQUIPMENT.***NO ANSWER REQUIRED***. *MR CONSUMER CONTINUED TO EXPERIENCE PROBLEMS WITH BREAKS SQUEAKING AND THE GLOVE BOX LATCH WHICH WAS BROKEN BY THE SERVICE TECHICIAN. DEALERSHIP REFUSES TO GET BACK WITH CONSUMER. *TT *NM
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