What are the common faults of the e39?
3 Answers
e39 common faults are related to the transmission. Below is relevant information about BMW: 1. Introduction to BMW: BMW (Bavarian Motor Works), fully known in Chinese as Bayerische Motoren Werke AG, is a German luxury automobile brand. BMW was established on March 7, 1916. The predecessor of BMW was an aircraft factory, initially famous for manufacturing streamlined biplane reconnaissance aircraft. The predecessor company was named BFW, and the founder was Gustan-Otto. 2. The meaning of BMW's logo: B.M.W. stands for Bavarian Motor Works. The colors and design of the logo are derived from the state emblem of Bavaria, where BMW is headquartered. The blue and white pattern serves as a reminder of BMW's pure Bavarian heritage.
I've driven a BMW E39 for several years, and it does have some common issues to watch out for. The cooling system is a major headache—the water pump tends to leak, causing engine overheating. My car broke down once due to this, and it cost me over a thousand bucks to tow and replace it. The suspension system also frequently acts up, especially the rear shock absorbers and control arms. When they age, you'll hear annoying thumping noises over bumps, ruining the ride comfort. Electrical faults are even more frustrating, like abnormal dashboard displays or malfunctioning window regulators, often caused by poor wiring contacts or aging modules. As for the body, the sunroof drain holes easily get clogged, leading to water leaks inside the car during rain—a real nuisance. My advice: regularly check the coolant and don't wait for warning lights to fix issues. Taking it to a professional shop can save you a lot of hassle. Routine maintenance can extend the car's lifespan, but replacing old parts isn't cheap, you know.
As a mechanic frequently working with German cars, I've dealt with numerous common issues on the E39. Engine oil leaks are quite prevalent, primarily due to seal aging, and neglecting repairs can increase the risk of spontaneous combustion. The cooling system requires special attention, particularly the water pump and radiator, as their failure can trigger a chain of problems. The Vanos system, which controls the intake and exhaust valves, tends to malfunction over time, affecting power smoothness. Suspension shock absorbers are prone to noise, and it's advisable to inspect them every two years. Electrical faults, such as malfunctioning window regulators or lighting control modules, stem from aging wiring and short circuits. During repairs, start with simpler solutions like replacing fuses or sensors before moving on to major components. Regularly scanning for error codes with a diagnostic tool can help detect potential issues early, extending the lifespan of older vehicles while keeping costs under control.
