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Go Back   E46Fanatics > Tuning & Tech > DIY: Do It Yourself

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 03-14-2012, 06:46 PM   #81
deadwood83
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Holy jebus that's fantastic! I just know that if I make one I'll be smoke testing EVERYTHING. What size hose fits that oil can?
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Old 03-29-2012, 05:13 PM   #82
joshism
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I wonder if I can make one of these with charcoal smoke and a balloon pump? This dude below just blows cigar smoke into his vehicle.


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Old 05-06-2012, 10:11 PM   #83
petik
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Quote:
Originally Posted by Ivanhoe View Post
Very good idea and DYI.
Did you found the leak ?
Turns out I didn't have a vacuum leak - just a bad sensor causing the issue. Now on the other hand, I have used this thing since on many a tests and found an exhaust leak on my truck in 2mins flat - super easy.
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Old 05-06-2012, 10:14 PM   #84
petik
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Originally Posted by deadwood83 View Post
Holy jebus that's fantastic! I just know that if I make one I'll be smoke testing EVERYTHING. What size hose fits that oil can?
very small, i think i used a 1/4" or 3/16" hose.


funny thing, i completely forgot about this post until this past week i started looking at buying an e46 m3 convertible and wanted to read up on issues i should expect and how to fix problems i already know about. really neat forum with a lot of knowledgeable people...if i get this thing, i suspect i'll be spending a lot of time here
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Old 05-16-2012, 12:40 PM   #85
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Should the MAF be taken off and the intake boot sealed up first? I am concerned the smoke may damage the MAF sensor.
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Old 05-16-2012, 12:49 PM   #86
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Should the MAF be taken off and the intake boot sealed up first? I am concerned the smoke may damage the MAF sensor.
I did just to be safe but I don't know how necessary it was. For me, better safe than sorry w/ a component that expensive
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Old 08-07-2012, 08:30 PM   #87
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Here is my submission in the smoke test category (I don't weld much so stop laughing). It did fine a leak on my valve cover...one of the bolts was loose.

Other things i did to correct codes on my new to me 2002 330ci Conv:

Pre & post cat O2 sensors
Fuel filter
Vacuum line from fuel filter to intake boot
lower and upper intake boots
vacuum line from air pump to back of intake
Misc vacuum line on back of intake
2 DISA o-rings (cat ate the first one)
Crank case vent kit
Fuel Tank Breather Valve
vacuum line to some canister near starter
The 8mm cap that going on the port at the back of the manifold (I used this port for smoke test)

Other things done while I was in there:
Oil filter housing seal (was leaking bad)
Steering coupler
Control Arm Bushing

Other things planned:
Mesh kidney bean grill
New top
New tires and wheels


Last edited by wamcdonald; 08-07-2012 at 09:40 PM.
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Old 08-12-2012, 02:42 PM   #88
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Super cool! Maybe you should go into business making these...I'd buy one if reasonable!
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Old 08-13-2012, 02:06 PM   #89
drift.mechanic
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I used a theatre/special effects smoke machine (10$ on eBay), strapped the outlet of that to the air inlet on my compressor (the air pig style, under 3gallon, 25$ at princess auto) and turned the compressor on after the smoke machine button was depressed for 15 seconds.

Dial down the pressure on the compressor to 2 psi and attach a blow gun to the hose. And voila, a smoke machine with a nice reserve.

Perfect for diagnosing vacuum leaks, EVAP leaks at the tank, testing solenoids, exhaust leaks, water infiltration in the trunk, etc. You'll always find a use for it.

There are so many ways to build these, it's a great tool to have for he shop.

I must admit, the glow plug idea is a great idea.
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Old 08-20-2012, 02:16 PM   #90
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Originally Posted by drift.mechanic View Post
I used a theatre/special effects smoke machine (10$ on eBay), strapped the outlet of that to the air inlet on my compressor (the air pig style, under 3gallon, 25$ at princess auto) and turned the compressor on after the smoke machine button was depressed for 15 seconds.

Dial down the pressure on the compressor to 2 psi and attach a blow gun to the hose. And voila, a smoke machine with a nice reserve.

Perfect for diagnosing vacuum leaks, EVAP leaks at the tank, testing solenoids, exhaust leaks, water infiltration in the trunk, etc. You'll always find a use for it.

There are so many ways to build these, it's a great tool to have for he shop.

I must admit, the glow plug idea is a great idea.
Do you have any pictures of this?
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Old 08-20-2012, 02:43 PM   #91
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I'll snap a pic or two next time I head to the garage
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Old 11-05-2012, 08:00 AM   #92
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Ok.....was looking at this and wondered if a simple fog machine would work?
I did a quick google and found a walmart fog machine for $35
http://www.walmart.com/ip/Fog-Machin...roduct+Reviews

Add hose and fog juice...thoughts?
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Old 11-06-2012, 01:52 PM   #93
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I gotta try making myself one of these. Here's a cheaper fog machine at Guitar Center. http://www.guitarcenter.com/Lighting...01-i1155703.gc
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Old 11-08-2012, 01:59 PM   #94
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joshism

I got the fogger for $30 at partycity store. I rigged up the device and it did work to a point.

I tried it with just the fogger and tube into the upper boot(MAF removed) without additional air. I used a rubber glove around upper boot and I did get smoke out of the DISA area. I will try it with a little more PSI since I don't think the fogger alone was enough umph.

I need to create a better seal into the upper boot. The fogger takes a couple of minutes to heat up; once the button on the remote that comes with it comes on you can switch it on and the fog will come out.

The downside to the fogger is the fuse holder/screw. I unscrewed the knob to look at the fuse and the little screw piece that held the fuse popped out. This is the only negative issue I have with the fogger. I had to press and hold fuse in; even after trying to glue it back in/no luck. This screw tab design is held in by a droplet(not a whole drop) of cheap glue. They have another fogger and told me to bring it back in. For $30 its worth it. I did spend about another $25 for fog juice/hose hook ups.

Girlfriend said she would use it next Halloween so it is dual purpose now.
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Old 12-27-2012, 01:31 PM   #95
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OK I had an ingenious idea last night about a Smoke leak tester. Now we know it needs a coil to make Smoke & a air source to push it.
We already have one of them made for under $20 & with a little rework we all could have one.
http://www.walmart.com/ip/Remington-...r-1ct/17470846

Yes a Hand held Hair Dryer. 2 speed fan so fix it so that the slowest only comes on.
Fix it so only low heat comes on. Put a Oil dripper over the Coils, maybe lay a piece of Lantern wick for the oil to drip on.

No Compressor Needed nor a power source for the coil._nr_
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Old 02-12-2013, 04:25 AM   #96
glhx
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Would a soldering iron work for this?

Same set up but instead of the glow plug use the iron and plug it into the wall

http://www.peachparts.com/shopforum/...uum-leaks.html

Yes it would.

Post #2

Soldering iron
Fish tank pump
Coffee can
Transmission fluid

Last edited by glhx; 02-12-2013 at 04:33 AM.
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Old 02-12-2013, 05:26 AM   #97
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Does anyone think blowing a cigar into a tube will actually work? Seems like it would take a lot of smoke and I don't smoke so... Haha
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Old 02-12-2013, 04:25 PM   #98
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I tried this. I didn't find any leaks with it. If the leak is big I know it would work.
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Old 02-13-2013, 02:50 PM   #99
Rudy540
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I have a pro fog machine and had this idea in mind, I don't know how I would use it though

Can anyone help
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Old 02-13-2013, 03:19 PM   #100
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How about a DIY video for this?
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