Yes, diagnosing the leak and implementing the required repairs is no problem and is a fully covered service. To request that service, you can schedule via YourMechanic's leak diagnostic service page (https://www.yourmechanic.com/services/clear-fluid-is-leaking-inspection). If the drain tube is readily accessible, I...
You may have a problem with injector leakage. When the car has been running the fuel system stays pressurized for a few hours. When the injector valves are old, there may be a small amount of leakage at the tip...
Hi there - yes, it is possible to have cam timing (https://www.yourmechanic.com/article/why-timing-belt-replacements-can-be-tricky-by-marvin-sunderland) for one cylinder bank off after a timing chain component repair. Way too easy actually with this engine! If you did not loosen the cam sprocket to cam...
Hello. The P0343 code (https://www.yourmechanic.com/article/p0343-obd-ii-trouble-code-camshaft-position-sensor-circuit-high-input-by-logan-utsman) indicates there is no signal from the passenger side cam position sensor (https://www.yourmechanic.com/services/camshaft-position-sensor-replacement) (Bank 1 actually). Given you have changed the sensor, this would suggest a wiring or connector issue. Your mileage would also make...
If the Battery Light is illuminated and the battery passes a load test, then you most likely have a faulty alternator; a charging system test would need to be performed to verify this. On the 2001 540i, the power steering...
Hi, first I would recommend checking the fluid level under the hood and make sure the level is correct. If you are low on fluid, it can create pockets of air, causing a loss in power steering as you turn...
The smoke coming from your exhaust may be from three things. The normal start up moisture in the exhaust is considered normal if the smoke looks white and is not too heavy and goes away within a minute. The next...
The TPS can have between 5 and 10 different codes and all will be caused by different failures of the TPS, Throttle body, wiring or computer issues and you will need to supply the code you get to help you...
The heater not working in some cases may be related to the overheating problem you are also having. This may be due to a faulty heater blower motor or potentially a bad heater core (https://www.yourmechanic.com/services/heater-is-not-working-inspection). As you may know, the...
Hi there. Since you have replaced the speed sensor and your vehicle is still giving you the engine light code P0720 for the speed sensor circuit malfunction, then you would need to check the circuits from the speed sensor to...
You will want to have the catalytic converters checked. The 540's are notorious for the catalyst inside the catalytic converters breaking apart (https://www.yourmechanic.com/services/catalytic-converter-replacement) from the outer wall of the assembly and rattling around, especially upon take off. This will also...
The output speed sensor is a very important sensor for the computer in your BMW 540i. It uses this signal to determine shift points as well as when to lock up the torque converter. If the computer detects a problem...
The blower motor resistor seems to be a common repair on your car. It can cause the blower motor to run when the key is off. The heat and AC and your car has a dedicated computer. It also could...
