I have 2 good used original K&N air filters for sale. One for E30 (in 89 325i) and the other was for my E36 325i project. Both are "drop in" stock airbox, so no need for heat shields etc...Best way to add some HP and get better gas milage! Dyno proven, and they do help in gas milage, i use K&N in ALL my cars/trucks/bikes. For the price of about 2 cheap filters, you never have to buy one again. Only $30 each, FIRM...
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Up to 90% off new cost!!!
Most models E30 E36 E46 E90 E92 E34 E39 E60 E32 E38 E65 E66 X5 M3 M5
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