Q: How much does it cost for a tune-up on a 2006 BMW 330i?

The engine has many moving parts that all work together to form the internal combustion engine (https://www.yourmechanic.com/article/how-a-modern-engine-works). The engine requires a good lubrication source and a good cooling source for it to continue to work properly. The internal moving parts...

The airbags are made to inflate in the case of a crash, but how severe of a crash does it take to deploy the airbags? This is a fairly common question, but doesn’t quite capture the complexity involved in the...

Hi there. It is very likely that a faulty throttle position sensor (TPS) is causing your problem. The TPS receives signals from your computer telling it where to position the throttle at any given time. A faulty TPS will also...

If the dealer needs to overhaul the transmission for a bad or broken clutch, you may do additional damage (https://www.yourmechanic.com/article/is-it-safe-to-drive-with-a-slipping-transmission) driving it before they get to the repair. My suggestion is to ask the service center that will be doing...

Hello. It sounds like the pedal is either binding or this is being caused by a bad brake switch (more common). When the switch fails it can cause this to occur. This should be covered under warranty since your vehicle...

Hi there. There could be multiple issues causing your lack of spark problem, ranging from a minor electrical short in the main relay to an issue with your ECU. In order to know for sure, you should have a professional...

Hi there. If you would like to receive a price quote to have one of our mobile mechanics complete a battery replacement (https://www.yourmechanic.com/services/battery-replacement) or spark plug replacement (https://www.yourmechanic.com/services/spark-plugs-replacement), please click each link and submit a quote request; as we need...

The E85 sensor can give the engine computer the wrong indication of the type of fuel being used and the ignition timing will be incorrect. This can cause stalling, hesitations, rough running and other symptoms.

In your initial question, I did not know that valve damage occurred as a consequence of a failed timing belt replacement. The 4 valves that the shop "claims" were damaged might merely represent what they "think" was the extent of...