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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 12-13-2012, 01:51 AM   #1
e46ornothing
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Long tube cai guys and rain!!

Hey guys so I just got a carbon fiber Dinan high flow cai.. My question is. Being obvious that if water would go into the engine it would seize it from wat I heard. Have any of u had an issue with water going into the air filter being that its at the bottom of the car in front of the air duct? Any tips on minimizing rain from hitting it while still letting the air hit it? Just thought I'd ask. Just saw the news and saw that its ganna be raining over here for like the next 3 days.. I'm in SoCal
Thanks in advance!!
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Old 12-13-2012, 02:02 AM   #2
SteadyMobbin
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Originally Posted by e46ornothing View Post
Hey guys so I just got a carbon fiber Dinan high flow cai.. My question is. Being obvious that if water would go into the engine it would seize it from wat I heard. Have any of u had an issue with water going into the air filter being that its at the bottom of the car in front of the air duct? Any tips on minimizing rain from hitting it while still letting the air hit it? Just thought I'd ask. Just saw the news and saw that its ganna be raining over here for like the next 3 days.. I'm in SoCal
Thanks in advance!!
Unless you drive through a giant puddle you should be fine...especially in socal you have nothing to worry about. If your worried get a watersock.
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Old 12-13-2012, 02:04 AM   #3
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+1 on getting a watersock. Pretty good investment anyway, great peace of mind.
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Old 12-13-2012, 02:18 AM   #4
MJLavelle
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I would definitely have a water sock on it, just for peace of mind. Cheap insurance.
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Old 12-13-2012, 04:15 PM   #5
e46ornothing
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I would definitely have a water sock on it, just for peace of mind. Cheap insurance.
Where can I get one of these water socks? I've looked on Dinan.com but no luck. Any one know?
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Old 12-15-2012, 10:18 AM   #6
e46ornothing
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Anyone?
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Old 12-15-2012, 11:35 AM   #7
illestminimike
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Dude your fine. We don't have pig ass puddles like that over here. Just don't purposely go in them.
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Old 12-15-2012, 01:01 PM   #8
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It doesn't have to be a puddle to stop your motor. A really heavy downpour can do it as well. My buddies supercharged RSX Type-S turned off while we were driving on the freeway in a downpour. He had a long tube cold air but also no fender guards (the plastic stuff around the wheels). The point is, if it can get wet, it can F you up.

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Old 12-16-2012, 07:46 PM   #9
Noreaster33
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I blew my vw motor going through a puddle with my old k&n typhoon sat right next to tire well such a bAd design never buy one if those
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Old 12-16-2012, 09:10 PM   #10
Steven747
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im in socal and have been running my dinan long tube for over a year with no issues
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Old 12-17-2012, 02:07 AM   #11
Iggy27
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Yea just get a sock I have the same set up works great. The only thing you have to worry about is snow with them. Pretty sure you won't see that at all though.
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Old 12-17-2012, 01:14 PM   #12
straight_beamin
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I have one. Engine shut of when driving through rainstorm puddles. You will be fine just avoid big puddles
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Old 12-20-2012, 04:21 AM   #13
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just get the Dinan sock for your filter....
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Old 12-20-2012, 08:53 AM   #14
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The thing with the water sock is that it also restrict the flow and this defeats one the purpose for having a Cai

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Old 12-24-2012, 12:17 PM   #15
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I hope you have halogens and not bi-xenons because that system will not fit if you have the latter. I would know, the tube wouldn't clear the xenon ballast and the included ballast relocation bracket is for pre-facelift cars.

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Old 12-24-2012, 06:40 PM   #16
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Lift off the gas when going thru big puddles... just coast
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Old 12-26-2012, 10:14 AM   #17
e46ornothing
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Thanks for all the info guys! I'm staying away from big puddles and keeping my distance from cars infront of me that are spaying water lol. This rain here in SoCal has just had me on the edge haha, comes and goes. So far so good but thanks again everyone!
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Old 12-26-2012, 10:17 AM   #18
e46ornothing
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I hope you have halogens and not bi-xenons because that system will not fit if you have the latter. I would know, the tube wouldn't clear the xenon ballast and the included ballast relocation bracket is for pre-facelift cars.
Yea I got halogens.. But ganna do the fxr retro fit xenon I think it's called. So well see lol
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Old 12-27-2012, 10:45 PM   #19
trentcdrums
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I have a long tube, I bought a 25 dollar water resistant ingen tech sock and it covers the filter
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