Because there is something wrong with it.
If there is exhaust popping on the BMW 318 series, then take your vehicle to the mechanic.
please be more specific
Exhaust tips on a car are typically used to quiet a noisy exhaust. They also can be used for appearance and cosmetic features of the vehicle.
If your BMW 318 series is letting power and the passage of the exhaust it is important that you take it to the mechanic ASAP.
Yes, you can get a ticket for excessive noise.
$150-$200
To silence the exhaust. Noisy cars disturb the peace and if loud enough your car won't pass inspection and cops will find a liking to you.
To silence the exhaust. Noisy cars disturb the peace and if loud enough your car won't pass inspection and cops will find a liking to you.
No. BMW Motorsport Division have designed their cars to perform at their very best as they are.
You can find information about BMW exhausts from the user manual you got with your car, if you own a BMW. If you don't, you can either go to a garage or look on BMW's website for answers.
You should take your vehicle to the mechanic if it is letting power and exhaust popping.