Although the BMW E39 model was successful brand is not protect from vulnerabilities. Most problems are causing emergency turbine engines in the 2.5 TDS. All engines were susceptible to overheating and often crack thermostat casing (150 usd). Chillers, over time, lose tightness and give to the exchange (400 usd). Problem is also cushion crack input shaft (4 cushions to cost about 670 usd). Alumina rods and fluctuate cause a reduction in vehicle weight and better exercise, but with strong beats (holes, curbs) were easily susceptible to damage. As a result of the A rear-propelled cars were often used to play, which could lead to damage cross shaft drive. The great attention should be paid to the bolts fluctuate, which beat on vulnerable roads. Vehicles with high mileage may have clearances in mangle. A common defect are corrosion tip Evacuation "mass" for the body. Also often a problem evaporate headlamps.