What have you learned?
Check out the following 3 questions,
multiple choice possible.
The older your car the cheaper your filters can be.
Correct, most of the parts are already damaged anyway.
Correct, just change the filters more often.
Wrong, high quality filters preserve the reliability of your car and your safety. Cheap air filters e.g. very often are not flame retardant.
As long as the size and thread match you can use every oil filter available.
Correct, on the inside filters are the same anyway.
Wrong, MANN-FILTER products are perfectly suited to the vehicle and engine specifications and therefore cannot be selected according to thread or size only.
Paper does not equal paper. What does MANN-FILTER usually do to reach the highest filter media quality?
Adding of synthetic fibre
Pleating, curing of the paper using heat
Use of activated carbon or nano fibres
Dying of the paper
Check my answers