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K&N Powersports Air Filters for the BMW R45

BMW R45 Replacement Air Filters

Buy an air filter for your BMW now and get a 100% money back guarantee!
  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Lasts up to 50,000 Miles Before Cleaning is Required Depending on Driving Conditions
Order your K&N motorcycle and ATV air filter Factory Direct today!
Help your BMW R45 run better.
  • Fast and FREE SHIPPING with Minimum Order
  • Simple, Quick and Secure Online Ordering
K&N Performance Air Filter Replacement
Vehicle DescriptionPart NumberProduct Image 
1985 BMW R45 450 - All
Motorcycle
1985 BMW R45 450 Air Filter
BM-0200 BM-0200 BMW R45 Air Filter
List Price: $64.39
Factory Direct Price: $47.99
1985 BMW R45N 450 - All
Motorcycle
1985 BMW R45N 450 Air Filter
BM-0300 BM-0300 BMW R45N Air Filter
List Price: $97.09
Factory Direct Price: $71.99
1984 BMW R45 450 - All
Motorcycle
1984 BMW R45 450 Air Filter
BM-0200 BM-0200 BMW R45 Air Filter
List Price: $64.39
Factory Direct Price: $47.99
1984 BMW R45N 450 - All
Motorcycle
1984 BMW R45N 450 Air Filter
BM-0300 BM-0300 BMW R45N Air Filter
List Price: $97.09
Factory Direct Price: $71.99
1983 BMW R45 450 - All
Motorcycle
1983 BMW R45 450 Air Filter
BM-0200 BM-0200 BMW R45 Air Filter
List Price: $64.39
Factory Direct Price: $47.99
1983 BMW R45N 450 - All
Motorcycle
1983 BMW R45N 450 Air Filter
BM-0300 BM-0300 BMW R45N Air Filter
List Price: $97.09
Factory Direct Price: $71.99
1982 BMW R45 450 - All
Motorcycle
1982 BMW R45 450 Air Filter
BM-0200 BM-0200 BMW R45 Air Filter
List Price: $64.39
Factory Direct Price: $47.99
1982 BMW R45N 450 - All
Motorcycle
1982 BMW R45N 450 Air Filter
BM-0300 BM-0300 BMW R45N Air Filter
List Price: $97.09
Factory Direct Price: $71.99
1981 BMW R45 450 - All
Motorcycle
1981 BMW R45 450 Air Filter
BM-0200 BM-0200 BMW R45 Air Filter
List Price: $64.39
Factory Direct Price: $47.99
1981 BMW R45N 450 - All
Motorcycle
1981 BMW R45N 450 Air Filter
BM-0300 BM-0300 BMW R45N Air Filter
List Price: $97.09
Factory Direct Price: $71.99
1980 BMW R45 450 - All
Motorcycle
1980 BMW R45 450 Air Filter
BM-0200 BM-0200 BMW R45 Air Filter
List Price: $64.39
Factory Direct Price: $47.99
1980 BMW R45N 450 - All
Motorcycle
1980 BMW R45N 450 Air Filter
BM-0300 BM-0300 BMW R45N Air Filter
List Price: $97.09
Factory Direct Price: $71.99
1979 BMW R45 450 - All
Motorcycle
1979 BMW R45 450 Air Filter
BM-0200 BM-0200 BMW R45 Air Filter
List Price: $64.39
Factory Direct Price: $47.99
1979 BMW R45N 450 - All
Motorcycle
1979 BMW R45N 450 Air Filter
BM-0300 BM-0300 BMW R45N Air Filter
List Price: $97.09
Factory Direct Price: $71.99
1978 BMW R45 450 - All
Motorcycle
1978 BMW R45 450 Air Filter
BM-0200 BM-0200 BMW R45 Air Filter
List Price: $64.39
Factory Direct Price: $47.99
1978 BMW R45N 450 - All
Motorcycle
1978 BMW R45N 450 Air Filter
BM-0300 BM-0300 BMW R45N Air Filter
List Price: $97.09
Factory Direct Price: $71.99

Find the right K&N motorcycle or ATV air filter for your BMW using the application search. Upgrade your BMW R45 today with a K&N motorcycle or ATV air filter.