It's "buy once" because it requires you to hand wash it and re-oil it at certain intervals. Essentially making it a "new" filter by washing out all of the dirt and particles.
Big Earner
It's "buy once" because it requires you to hand wash it and re-oil it at certain intervals. Essentially making it a "new" filter by washing out all of the dirt and particles.
-Chris-
2003 ZHP Sedan - Jet Black on Sand - SOLD
Associate
It's a servicable filter that can be used as many time as you want. Main point is to clean and oil it every 8-10k miles in order to avoid dust and other crap being sucked inside your engine.
Capo di tutti capi
Why?Originally Posted by spencers
I fail to see how an air filter element can be a "buy once" part..
Call Me Dane l 2/2004 330i ZHP l 18x8 ET45 BBS CK's wrapped with Michelin Pilot Sport AS3+ @ 245-40-18 l KW V1 Coilovers in front l KW V1 springs w/ Bilstein B8 dampeners in rear l BMW Performance Rotors l UUC StrutBarbarian l Racing Dynamics Rear Strut Bar l Jim Conforti Shark Injector l Light Birch Interior Trim l Bimmian Celly Mount l M3 Trunk Mat l l e90 Performance E-Brake & Shift Knob l M3 Tri-Stitched Boots l AL Headlight Retrofit with ZKW Lenses l CobyWheel Wrap w/M3 Stitching l LCM sw 4.5 triple blink and rear fogs l Maple Interior Trim
Capo di tutti capi
Spence knows this. Interested to hear his theory.
Call Me Dane l 2/2004 330i ZHP l 18x8 ET45 BBS CK's wrapped with Michelin Pilot Sport AS3+ @ 245-40-18 l KW V1 Coilovers in front l KW V1 springs w/ Bilstein B8 dampeners in rear l BMW Performance Rotors l UUC StrutBarbarian l Racing Dynamics Rear Strut Bar l Jim Conforti Shark Injector l Light Birch Interior Trim l Bimmian Celly Mount l M3 Trunk Mat l l e90 Performance E-Brake & Shift Knob l M3 Tri-Stitched Boots l AL Headlight Retrofit with ZKW Lenses l CobyWheel Wrap w/M3 Stitching l LCM sw 4.5 triple blink and rear fogs l Maple Interior Trim
Enforcer
Me, too. I've always just bought one K&N for each vehicle - 1M mile warranty and all...
Jason | 2004 BMW 330i ZHP | 6 Speed Manual | Imola Red | Natural Brown | BBS Style 197s | Awesomeness
Messaggero
my expansion tank blew yesterday and after taking out the filter to get to it, i looked at it and well i am now convinced to get one!
2004 ZHP Saloon
Location - CA
Very Proud Owner
Associate
tripod06
Your exapansion tank blew because of the air filter?
Joking
What was wrong with your stock one by the way?
Messaggero
the air filter or the expansion tank?
the air filter is just dirty and the expansion tank just needed replacing. got the tank yesterday from Zach at Crevier BMW (HUGE THANKS BY THE WAY ZACH!) and today is the install day!
2004 ZHP Saloon
Location - CA
Very Proud Owner
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