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The BMW 540i was a fourth-generation model of the BMW 5 Series executive car. The BMW 540i was first given a 4.4L M62 V8 engine that could produce 282 horsepower at 5400 rpm and 310 lb-ft of torque at 3900 rpm. The vehicle got an upgrade for the engine parts in 1998, elevating the power output to 325 lb-ft of torque at 3600 rpm. It was also given a 6-speed manual transmission or a 5-speed automatic transmission. The BMW 540i was one of the first automobile models to have curtain airbag products that protect the driver's and passengers' heads from a side impact. The safety equipment pieces of the vehicle included dual front and side airbags, anti-lock brakes, power steering, air conditioning, pretensioners and load limiters for the front seatbelts, and traction control. Customers could also have satellite navigation installed for better performance.
The BMW 540i is known to experience specific recurring issues, including coolant leaks, air conditioning complications, and transmission difficulties. Coolant leaks persist in some instances even after measures like replacing heater core hoses or checking both sides of the firewall. Inspections may extend to components such as the radiator, expansion tank, water pump, and thermostat, and attention may be needed for a problematic valley pan gasket if coolant is spotted around the passenger-side intake manifold. Some extreme cases have even called for the entire cooling system's replacement. Air conditioning problems have ranged from decreased ventilation due to a dirty cabin air filter to the failure of various components like the condenser, evaporator, compressor, blower motor, and blend door actuator. Regular maintenance such as filter cleaning and professional interventions for issues like refrigerant leaks are common. Additionally, unpleasant odors may require scented car fresheners, while burning plastic smells might relate to melting plastic or a heat-sensitive coating. Transmission binding and gear shifting issues, especially between the second and third gears, have led to various suggested checks and fixes, including examination of the position switch, appropriate scan tool usage for temperature checks, and repair or replacement of the auxiliary fan and clutch. Problems may originate from the clutch assembly, transmission assembly, or sticking shift pins, with diagnostics involving methods like observing gear engagement at idle speed, checking for clutch issues if the vehicle goes into gear post ignition switch-off, or identifying problems with the gear shift linkage or transmission if the gear doesn't engage. These complexities point to the need for thorough diagnostics and professional assistance for common problems in BMW 540i models.
Genuine parts undergo the strict quality control tests, so you can be sure they're of top quality and durability. In contrast to inexpensive aftermarket auto parts, we provide a full range of OEM BMW 540i parts, all backed by a manufacturer's warranty and offered at unbeatable prices. Our selection includes an extensive variety of genuine BMW 540i parts, from radiators to headlights. Moreover, we guarantee a hassle-free return process and the fastest delivery service.