Why does my petrol car sound like a diesel?

When a car engine develops an unusual noise, it may be caused by a simple misfire or expensive wear and tear of the fast moving metallic components. In your case, your petrol engine has a rattling sound typical of a diesel engine. This is often a result of use of wrong or counterfeit motor oil.

Why does my BMW sound like a tractor?

When your smooth-running car or truck suddenly sounds like an angry tractor, chances are good that something within the exhaust system is to blame. The problem could be a broken exhaust manifold, or it could be farther downstream in the exhaust system’s pipes and its connection to the muffler.

Why are BMW engines so loud?

A failing or dirty sensor can send incorrect data, resulting in too much or too little fuel going to the engine. This can result in a rough running engine that is louder than normal. Bad or Dirty Spark Plugs: Bad spark plugs can cause the vehicle to misfire which will make it run louder.

Why do petrol engines sound better than diesel?

Diesel engines have higher noise levels due to the higher compression ratio they work by. Diesel engines works with 14 to 24 compression ratio while gasoline engines at 7 to 9.5 CR. As a result the emitted noise from the CIE are higher thatn that for SIE.

Why does my car sound like a helicopter?

The sound you are hearing is related to the tires moving from what it sounds. The first thing to inspect is proper tire inflation. A bad brake, warped caliper or rotor, or issues with the parking brake can all cause noises related to the tires rotating.

Why does my car sound like a propeller?

Most wheel bearings manufactured today are sealed bearings. When the seal is broken or damaged, the wheel bearing will fail and start making noise. Many describe this as an airplane noise, but others might say it is like driving over a rumble strip on the side of the highway or the whirring of a helicopter propeller.

Which cars use fake engine noise?

This system was introduced in 2011 on VW’s Golf/GTI, and has also been used on the Jetta/GLI, and Beetle Turbo. The same technology has also been used in other cars from Volkswagen Group, including the Audi S3 and Škoda Octavia vRS.

Why is my BMW fan so loud?

The fan motor is loud. This sounds like your fan is trying to prevent overheating. The control module of the cooling system may have a problem if the temperature is normal.

Why do diesels knock?

Answer: The clatter results from the combustion of diesel fuel inside the engine. In a diesel, the fuel is ignited by high pressure and temperature inside the cylinder, rather than by a spark plug. The clatter is the result of fuel not burning as evenly as in a gasoline engine, creating a knock.

What kind of engine sounds like a diesel?

I needed a car and most seem to have the 4 cylinder. I drove it and it seemed to perform just fine. This one however sounds like a diesel….loud clattering noise that is unusually loud at times and can be heard inside the car. It doesn’t matter whether or not it’s cold or warm.

Why does MY BMW 328i xDrive make noise?

It will make it cold or hot. BMW needs to own this. I may be looking for a 6 cylinder or even a different brand. Supposedly it’s because of the direct injection used….very high pressure causing the noise. The engineers need to figure out a solution. Even filling the engine bay with sound deadening foam

Why is my xDrive 4 cylinder engine so loud?

The draw back obviously is very loud noise that is suppose to be considered normal. The newer N20 engine no longer use the vacuum actuated waste gate, they use a electronically controlled one which helps with the noise (not sure on why just is).

What kind of engine does a BMW 328i have?

I don’t know the specifics of the 4-cyl turbo, but, geez, 17k mileage should be _nothing_ for a BMW engine, compared to it’s expected lifespan, & it’s hard to imagine that metal in the oil filter is normal. Sounds like you were the John-Cleese-equivalent in the dead parrot sketch in your exchange with what they told you…