View Full Version : 318i K&N CAI
charlienguy
09-10-2007, 06:21 PM
i've got a 93 318i with 250k. Should I install a kn cai on my bmw. Will it add hp or rob hp.
sprocket1200
09-10-2007, 07:09 PM
island motorsports put mine on and i noticed a big difference.
i also went to the twin pipe 328 setup for the exhaust since my 323 was only a single. again, big difference.
check out realoem.com for part numbers to see you can do the same.
though you may want to consider how long you are keeping the car...
bmwlova202
10-09-2007, 04:59 PM
i have the exact same model (93 318i) only i have 92k... ive been searching everywhere for a CAI... where did u find urs?... a response would be greatly appreciated
318isPete
10-09-2007, 05:11 PM
knfilters.com/air_intake/bmw_318.aspx thats where they are but i wouldnt reccomend putting one on without a heatsheild.......will just suck up hot air........speaking of which......ne1 seen a HS for this?
sprocket1200
10-09-2007, 10:21 PM
mine extends behind the headlight and came with a clear blue plastic 'cone' that surrounds the filter and protects from allowing hot air in. maybe just phone K&N and ask them why in the picture it shows the heat shield but not in the instructions.
f33linit187
10-09-2007, 10:41 PM
It wont really increase anything so that it is noticeable but it will sound a lot better and with an exhaust youll be set.
bmwlova202
10-10-2007, 10:23 AM
thanks. i found a heat resistent wrapping that goes around the tube, will that do anything. o, and any hints on installing it? where to put the CAI and such
328iBMW10
10-10-2007, 10:50 AM
if the heat resistant wrappign is reflective or sliverish on one side then it should do a good job of combatting the heat, saw the ad for that wrapping in sport compact car magazine
bmwlova202
10-10-2007, 05:02 PM
thanks for the help.... i think im going to go buy the stuff i need now.... again if anyone has any installation tips that'd be great because i know even if you follow the instructions something always comes up haha
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