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325i

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Question
The vehicle makes a humming/whining sound immediately after highway driving. After several minutes off highway, noise stops.
Hello, thank you for writing in. There are several issues that may cause these issues. You will want to start by making sure the brakes are not sticking. This can be done by raising the vehicle and checking for grinding...
Question
All my dashboard lights come on and my car stops and won't let you continue until you shut it off and on again
Hello, thank you for writing in. The warning lights and loss of power that you are having are typically triggered by a major malfunction. The braking and unresponsive throttle are both safety features to keep the vehicle from putting you...
Question
What's the average cost to replace a thermostat. I have a 2005 bmw 325i.
Hi there. Depending on who completes this service and what parts are used will determine the average cost. In most cases, when a professional auto shop completes this service, the overall cost can range from $250 to $400 for a...
Question
Car shuts off when stepping on pedal
Hi There, A number of things may cause the car to shut off when stepping on the gas pedal such as a bad fuel pump, a vacuum leak, a clogged fuel filter or a dirty or faulty idle air control...
Question
..I've got a ticking noise from the engine...
Noises in the valve train are usually consistent and don't change much with engine load. Noises that get stronger when accelerating may be deeper in the engine. But adjusting the valves is not too tough on your car so it...
Question
Where is the best place I can get a 2004 BMW 325i timing belt and water pump?
You're wise to be taking care of this now. If the timing belt fails while you are driving, serious engine damage will result. Additionally, since the water pump on the 325 is driven by the timing belt, this is a...
Question
A clunking feel and noise in the steering wheel
It is possible that you could have some free play in one or more of your suspension components. There could be play in your ball joints, tie rods, or wheel bearings. I would recommend getting your wheels shaken down by...
Question
2001 BMW valve cover gasket
If you are referring to under hood smoke, such smoke is due to either an oil (engine or transmission) leak, power steering fluid leak, or engine coolant leak. Most older cars have oil leaks. Sealing technology has just not kept...
Question
how much willit cost to fix air conditioner for 325 i 2006?
The cost depends solely on what is wrong. If the fuse supplying the compressor is blown, and such is not due to a faulty circuit, you are looking at a dollar for a fuse, plus the cost of a service...
Question
Hi! Thanks for wanting to help!! 2003 bmw 325i. (M54 - Automatic) Car ran really rough before I started work on it. Shaked/ran ve
Check for vacuum leaks, including that through a malfunctioning EGR system. When you first start the car, on cold start the mixture may be rich enough to overcome such leaks, but almost immediately the ECM can't keep up with the...
Question
2003 bmw 325i my car will deive for 15min than it will stop moving foward and the engine will just rev up no gear will catch
Hi there. This is a very good question and often hard to pinpoint problem. In most cases, especially on V-6 BMW engines, the symptoms you are describing indicate a problem with the torque converter or internal transmission hydraulic lines either...
Question
Poor mileage
The EPA MPG rating for your vehicle is 18 MPG city and 27 MPG highway. The combined (overall) rating is 21 MPG. If you mileage is consistently 10% below these values, then you should investigate the cause(s). You can maximize...
Question
Oil pan bolts fell into transmission bell housing.
Hi there. The issue with leaving bolts in the bell housing on the transmission will be come catastrophic when the bolts come in contact with the clutch assembly. I recommend removing the starter and taking a telescoping magnet through the...
Question
P0491 and P0492 Is the codes I'm getting on 2001 BMW 325i
Hi there - the P0491 and P0492 codes reflect a problem with the secondary air injection pump mechanism - not enough air flow is detected. This problem could be the pump itself (check fuses and relay), the check valve, or...
Question
How would i know that i need to replace the vanos?
The VANOS is a variable camshaft timing system that uses engine oil pressure to change the camshaft position. The VANOS solenoid is an electrically operated valve that diverts oil pressure to the correct devices under certain conditions. Usually the first...
Question
My car jerks when it almost comes to a complete stop
Hello, What you are describing may be a result of a faulty speed sensor, potentially low transmission fluid or a even a faulty transmission control solenoid. As your vehicle travels down the road, the computer analyzes data being sent by...
Question
BMW was cranking and starting fine. Until one day everything lights up can hear fuel but nothing no starting or cranking 2002 BMW 325i
Hello - check fuses first. Scenarios like this occur from subtle failure of things like the Transmission Range sensor (detects if the car is in Park or Neutral), dead battery in a key fob (try another key), brake light switch...
Question
Brake rubbing rim 2006 BMW 325i
Hello - the basic issue is "something changed". You don't indicate what was serviced with this repair (brake pads, new brake calipers, tire rotation, wheel swap, wheel space left out, etc.), but whatever the case, something is different. A wheel...
Question
166K miles. what can i expect on future maintenance? 2003 BMW 325i
Hello - sorry to hear about your E39 - miss my 540 terribly! First suggestion is to absolutely have a pre-purchase inspection performed by a mobile, professional mechanic, such as one from YourMechanic, who will come to the vehicle location,...
Question
Car overheating after replacing radiator and no heat thru vents
Hi there. The problem is more than likely due to an obstruction of some sort within the heater core, or the heater control valve is not working as it is intended. You might want to watch this video on how...

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