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530i

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Question
Smoke and possible oil leak after having oil serviced
Hi there. Since you drive the vehicle so little it can still be residual oil. It can take some time for it to burn off, especially if it pools up when it is spilled. If there is no oil left...
Question
My car shakes sometimes at a stop light, reduced engine peeformance and just recently went into limp mode also check engine light
It's hard to tell without doing some further testing. This sounds like a misfire. A misfire can be caused by several components. It would explain the "limp mode", the shaking, and the Check Engine Light. Misfires are caused by...
Question
Car reads "Pressure Control Valve 3V". I believe it has to do with a solenoid.
Hello. I would need to know some more information about what you car is doing to be able to help with a diagnosis. If it is giving a pressure control code then most of the time this is caused by...
Question
Hello, I just bought a 2007 BMW 530i and wanted to get a feel for how much a transmission replacement would cost?
Hello. A transmission replacement for that model of vehicle will likely cost a few thousand dollars, including the cost of labor to install it. At the moment YourMechanic, does not currently offer engine or transmission mechanical services. For a repair...
Question
Spark plug
It's never a good idea to drive a car with a misfiring engine! If the misfire is due to a bad spark plug as you are presuming, there could be secondary ignition voltage feeding back to the ignition system which...
Question
Why my key won't turn in my ignition?
Hello. The symptoms you are having with your ignition cylinder may be attributed to several faults. Make sure the steering wheel is not locked by rotating it both directions and making sure it will move. Afterwards, the first and easiest...
Question
Will it hurt my motor to switch from synthetic oil to conventional oil?
Hi there. There are varied opinions about switching from synthetic oil to conventional oil. I am old school and believe you stick with the manufacturer's recommendation for oil type. Nowadays, most conventional oils are a synthetic-blend. I believe BMW recommends...
Question
My son has a BMW. It will be driving fine and then all of a sudden the gas pedal will be pushed down and it will not move.
Hi there. When the Check Engine Light is on, retrieve the codes as this helps guide the diagnostic process. It does sound like you either have a water intrusion problem into a connector or electrical component or there is a...
Question
increased engine over load message.
Hi there. The message is coming on for the catalytic converter overheating. A misfire or leaking injector will cause the catalytic converter to overheat as raw fuel enters the exhaust system. Check the engine for a misfire and see which...
Question
Misfires at high speed on a high way
Hello there, a few common faults will cause your 2004 BMW 540i to have a misfire on acceleration. Without knowing what code the engine is storing I can only offer general advice. Likely causes for the car to misfire like...
Question
front left wheel locked up
Hi there. Although a locked up brake caliper can cause the issue you're describing, it's also possible that you have a wheel bearing that is damaged and needs to be replaced. However, due to the fact that multiple components might...
Question
Two questions
Brake pads cannot simply be changed without also either re-surfacing the brake rotors or installing brand new rotors. In addition, the sliding pins must be removed from the caliper torque plates and thoroughly cleaned and re-installed. Hopefully, the calipers are...
Question
Gas leaking from under/around fuel tank
Hello. Fuel leaks need to be taken seriously. You will want to look into this immediately. Is the vehicle only leaking when it is running? If this is the case its likely coming from a line or a fitting somewhere...
Question
Water leak in my rear passenger foot well
There may be no easy answer for this. Modern cars are so thoroughly insulated and sealed, and the interior structures are so complex that it can be very difficult to find the kind of leak that you're looking for. It...
Question
I just got my oil pan gasket replaced on my BMW 2004 530i (700$) I thought they would have replaced the pan with the gasket, they
Hello, thank you for writing in. Replacing the oil pan gasket does not typically include replacing the oil pan as well. If there are damages to that pan which warrant replacing it, then you will have to pay for the...
Question
Should I buy or is it too risky? 2003 BMW 530i
Hello - the ad appears to be gone, so perhaps you already bought it?! I wouldn't blame you if so. As a long time E39 owner, they are an excellent sport touring car, especially if more than 2 passenger capability...
Question
FAULTY ALTERNATOR CONNECTION
Hello. You have a very peculiar problem. It is probably be best if a technician or someone else with a little more car experience help you look at it first hand, though it sounds like you have car experience yourself....
Question
The car makes grinding sound on braking. What could be the cause, and what service should I go for?
Hello there. If the grinding noise is happening while you are braking only, it's typically an indicator of brake pads that have worn out and are not grinding into the brake rotors. In most cases, you'll have to replace the...
Question
the ac/heater draining out the battery. took out the fuse, now it doesn't. need a new part? electrical problem?
The problem you are describing is, of course, due to current flowing in a circuit even when the circuit(s) has been commanded off. This is referred to as a "parasitic" load, sometimes know as a phantom load, too. The cost...
Question
How much will it cost me to replace a oil pan gasket?
The gasket itself is less than $50 and it looks like if you have the N52 engine, it could take in the neighborhood of 8 hours (roughly) to remove and replace. There is quite a bit of disassembly; for example,...

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