Specifications: We specialize in air flowmeter developing and producing. We have about 60 types fitted for vw, audi, opel, fiat, lada, nissan, rover, benz. Our products are designed by a special technology as per bosch parameter and quality control. As usual, our afm is similar to genuine bosch units only in quality controling such as general technical Parameter (input/output voltage, etc) and exhaust ecological control. They absolutely have the brake up 4000-5000rpm.