Illustration1. NO SYMPTOMS; 2. CRACKED RADIATOR NECK, THAT WAS FORTUNATLY CAUGHT JUST PRIOR TO A CATASTROPHIC FAILURE. THE RADIATOR NECK BROKE IN MY HAND AS I WAS REMOVING IT. 3.REPLACED RADIATOR. *AK
1999 BMW 540
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all 540 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 1 of 3 reports include usable mileage. There isn’t enough coverage to show a useful chart.
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.
- Engine And Engine Cooling. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Vehicle Speed Control. Review the 1 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 reports0 fire reports0 injury reports
Engine And Engine Cooling complaints
2 reportsACCORDING TO REPAIR FACILITY (BMW DEALER), THIS IS A KNOWN PROBLEM, POORLY DESIGNED/MANUFACTURED RADITOR, THAT BMW WILL NOT ACKNOWLEDGE. THEY WILL NOT EVEN RE-DESIGNED AND OR MAKE MODIFICATIONS TO CURRECT RADIATOR DESIGN FOR THE 540 MODEL. PLEASE DO SOMETHING ABOUT THIS. DT
Official recalls
0No 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
0No exact-year investigations in this snapshot.