Problems · NHTSA complaints

1998 BMW 5 Series problems

Owners filed 59 complaints about the 1998 BMW 5 Series with NHTSA between Jul 1998 and May 2021. The most-cited component is engine and engine cooling (18).

Complaints
59
Filed with NHTSA
Crashes
2
Reported by owners
Fires
1
Reported by owners
Injuries
2
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Engine and engine cooling18
  2. Air bags7
  3. Structure6
  4. Power train5
  5. Steering5
  6. Latches/locks/linkages5
  7. Vehicle speed control3
  8. Electrical system3
  9. Exterior lighting2
  10. Visibility2
  11. Seats1
  12. Electronic stability control (esc)1
  13. Service brakes1
  14. Equipment1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Nov 10, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
19982
199913
20003
20010
20024
200313
20045
20054
20062
20071
20082
20093
20102
20111
20120
20130
20140
20150
20161
20170
20181
20191
20200
20211

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Engine and engine cooling

18 reports
“DRIVING ON ENTRANCE RAMP TO THE FREEWAY AT ABOUT 10MPH AND SAW WHITE SMOKE COMING FROM THE DRIVER'S SIDE OF THE HOOD. PULLED OVER AND INSPECTED COOLANT SYSTEM AND FOUND THAT THE NECK HAD BROKEN OFF THE RADIATOR(COMMON PROBLEM WITH E39) ALLOWING COOLANT TO SPRAY INTO THE ENGINE COMPARTMENT. I WAS LUCKY THAT I WAS TRAVELLING SLOWLY AND WAS ABLE TO PULL OVER RAPIDLY BEFORE CAR OVERHEATED. COULD HAVE CAUSED A DANGEROUS SITUATION IF IT HAD OCCURED AT HIGHWAY SPEEDS. CAR WAS TOWED TO MECHANIC, WHO REPLACED OLD RADIATOR WITH AN AFTERMARKET BRAND THAT IS MORE ROBUST THAN BMW RAD. I WAS NOT COMFORTABLE USING A BMW RADIATOR DUE TO THEIR CHEAP AND FLAWED DESIGN.”
Owner complaint to NHTSAFiled Jun 21, 2005Engine and engine coolingODI 10125996

Air bags

7 reports1 crash
“While stopped (engine still running) at a gas station, the driver side airbag and driver side side curtain airbag both went off. The battery disconnect feature was also triggered. Very lucky I wasn't driving when this occurred.”
Owner complaint to NHTSAFiled May 21, 2021Air bagsODI 11418089

Structure

6 reports1 fire
“TL*THE CONTACT OWNS A 1998 BMW 528I. WHILE THE ENGINE WAS RUNNING, THE CONTACT SMELLED SOMETHING BURNING. HE DISCOVERED THAT THE BRAKE LIGHT FOR THE WINDOW BURNED THROUGH THE HOUSING AND FELL INTO THE TRUNK. THE BULB LANDED BY THE FUEL TANK. NO REPAIRS HAVE BEEN MADE AND THE CAUSE OF THE FAILURE WAS UNKNOWN. FURTHERMORE, THE PASSENGER AND DRIVER SIDE HANDLES FAILED TO OPEN THE DOORS FROM INSIDE THE PASSENGER COMPARTMENT. THE DOORS WOULD ONLY OPEN FROM THE OUTSIDE. THE FAILURE MILEAGE WAS 138,000 AND CURRENT MILEAGE WAS 166,000.”
Owner complaint to NHTSAFiled Oct 11, 2007Exterior lighting, StructureFire reportedODI 10205426

Power train

5 reports1 related recall
“MY 1998 BMW 5-SERIES 528I STARTED ACCELERATING ON IT'S OWN WHEN I WAS DRIVING, AND I HAD TO KEEP MY FOOT ON THE BRAKE AND ALMOST RAN A FEW RED LIGHTS. WHEN I PARKED MY CAR I HAD TO PUT IT IN NEUTRAL TO TURN IT OFF AND I TRIED STARTING IT AGAIN (WITH MY FOOT ON THE BRAKE) AND IT ACCELERATED W/OUT BEING IN DRIVE. NOW MY CAR JERKS EVERY TIME I'M DRIVING SLOW AND IT FEELS LIKE IT'S NOT SHIFTING PROPERLY ANY MORE. *TR”
Owner complaint to NHTSAFiled Mar 18, 2010Power trainODI 10320643

Steering

5 reports1 related recall
“TWO MAJOR COMPLAINTS: 1. TRANSMISSION OF THE CAR BROKE DOWN COMPLETELY WITHIN 82,000 MILES. I HAD TO SPEND A LARGE AMOUNT OF MONEY TO REPLACE THE TRANSMISSION. 2. POWER STEERING OF THE CAR HAD EXPERIENCED LEAK SINCE I BOUGHT THE CAR. STILL AFTER SO MANY YEARS THE PROBLEM HAS NOT BEEN PROPERLY RECTIFIED DESPITE THE FACT THAT I BROUGHT THIS TO THE ATTENTION OF THE DEALER. 3. AFTER I GAVE MY CAR TO THE ANN ARBOR BMW DEALER, ONCE THEY REPLACED SOME UNRELATED MECHANICAL COMPONENTS THAT COST ME OVER $600. HOWEVER, AFTER PAYING THE MONEY WHEN I SHOWED THAT THE PROBLEM DID NOT SOLVE, THE MECHANICS ADDED SOME BRAKE FLUID AND THE PROBLEM TEMPORARILY DISAPPEARED. THE DEALER DID NOT REIMBURSE THE MONEY FOR INAPPROPRIATELY CHANGING UNNECESSARY COMPONENTS. AGAIN AFTER A FEW MONTHS WHEN I BROUGHT THE CAR BACK WHEN THE PROBLEM RESURFACED DUE TO LOW BRAKE FLUID.R. AFTER I DROVE THE CAR OUT OF DEALERS PREMISE, THE ENGINE STARTED GETTING HEATED UP. I BROUGHT THE CAR BACK AND LEFT IT WITH THE DEALER WHO CALLED ME THE NEXT DAY ASKING ME TO PAY ABOUT $250 TO CHANGE THE THERMOCOUPLE, WHICH I AUTHORIZED. HOWEVER, AFTER SEVERAL HOURS THE DEALER CLAIMED THAT THE ENGINE WAS STILL GETTING…”
Owner complaint to NHTSAFiled Feb 18, 2009Steering, Power trainODI 10259194

Latches/locks/linkages

5 reports
“TL*THE CONTACT OWNS A 1998 BMW 528I. THE CONTACT STATED THAT THE DRIVER SIDE DOOR HANDLE INSIDE THE PASSENGER COMPARTMENT WOULD FALL OFF IN HER HAND. THE FAILURE OCCURRED A TOTAL OF EIGHT TIMES AND PREVENTED HER FROM EXITING THE VEHICLE. THERE WERE NO WARNINGS PRIOR TO THE FAILURE. THE CONTACT REPAIRED THE FAILURE HERSELF ON SEVEN OCCASIONS BECAUSE IT WOULD COST $249 TO REPAIR IT AT A DEALER. THE CURRENT MILEAGE WAS 117,000 AND FAILURE MILEAGE WAS APPROXIMATELY 50,000.”
Owner complaint to NHTSAFiled May 15, 2008Latches/locks/linkagesODI 10227912
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.