I appreciate that this is a bit of a 'schoolboy question' but when purchasing a unifilter new, do they come pre-oiled or do you have to buy and apply the oil seperately?
More air flow than stock filter elements
Precision fit to stock airbox
Easy to clean with regular grease-cutting dish soap
Indefinite service life - simply clean and re-oil
Foam filters have been proven to stop more dirt than any other type of filter All UNI filters must be treated with oil prior to installation
Made in the U.S.A.
Will Fit:
1995-1997 BMW R850R
1994-2001 BMW R1100 exc. R1100S
2000-2006 BMW R1150 (all)