How to Replace Air Box 1997-2006 BMW 325Xi
Created on: 2019-08-05
If the engine air filter housing is broken and needs to be replaced, this video will show you how to do it yourself
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step 1 :Disconnecting the Negative Battery Terminal
- Open the trunk
- Remove the cover over the battery
- Disconnect the negative terminal with a 10mm socket and ratchet
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step 2 :Removing the Engine Air Filter Housing
- Pry up the push clips from the air duct with side cutters
- Lift the air duct up and out
- Disconnect the MAF sensor electrical connector
- Loosen the intake tube hose clamp with a flat blade screwdriver
- Disconnect the air intake tube from the air box
- Pull the air box cover clips down
- Remove the air box cover
- Remove the engine air filter
- Remove the two 10mm bolts from the air box
- Disconnect the air box from the wire
- Remove the air box
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step 3 :Installing the Engine Air Filter Housing
- Connect the wire to the air box
- Tighten the two 10mm bolts to the air box
- Insert the engine air filter
- Replace the cover
- Pull the air filter housing cover clips up
- Connect the air intake hose
- Tighten the air intake hose clamp with a flat blade screwdriver
- Reconnect the MAF electrical connector
- Replace the air intake duct
- Press the push clips in to the air intake duct
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step 4 :Connecting the Negative Battery Terminal
- Connect the negative terminal with a 10mm socket and ratchet
- Replace the battery cover
Tools needed
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Side Cutters
Socket Extensions
Flat Blade Screwdriver
10mm Socket
Ratchet
What's up guys? I'm Andy from 1A Auto. In this video I'm going to show you how to replace the air box on this 2001 BMW 225 XI. If you need parts for your vehicle, click the link in the description and head over to 1AAuto.com.
With the trunk open over on the right side or the passenger side, there should be a cover that goes right here. This vehicle doesn't have one, but you're going to want to remove that cover. The battery is located right here. First thing I'm going to do is take a 10 millimeter socket and ratchet. Loosen up this nut for the negative terminal. And that's loose. Slide off the cable, slide it out of the way.
I'm going to take these push pins out right here. I'm just going to use some side cutters to get this center pin. Pull that up, and then slide it out.
Be careful not to cut that. Get those out. Grab this piece and slide it out. I'm just going to disconnect this connector to the mass air flow sensor. Push down on this tab. Wiggle it out.
Take a straight blade screwdriver. Loosen up this clamp right here. That should be good. Push that snorkel off right there, and there's all these clips holding the top of the air box off. I'm just going to take the top off, and this last one over here, it's kind of tricky to get to. Pull the dipstick out of the way.
You just grab the air box and the air filter out. I'm going to take these two bolts out. I'm going to use a 10 millimeter socket extension and an electric ratchet. You can use a regular ratchet if you don't have an electric one or an air powered one. Loosen them up. Take them out.
Now just grab the air box, slide it up. This wire is on it. This little grommet right here, just try to slide that out. Just try to slide this off. All right. Take that off. You can just slide this out of the way.
Now we're just going to slide this side of the lower air box in here. Yours may have something that this connects to. This vehicle doesn't. It Just slides in position, and then this lower part slides there, and make sure these holes are lined up. Take these two bolts. Get these started.
Take a 10 millimeter socket and a ratchet and tighten these down. I'm using an electric ratchet. If you don't have an electric ratchet, just use a manual one.
Take the air filter and install it. I'll take the top part of the air box and just slide it onto the snorkel first. Just like that.
And then, there's all these clips. Take these clips, lock this part down. Connect the mass air flow sensor or air flow meter. Then, I'm going to slide this clamp right here. Take a straight blade screwdriver and tighten it down. Just snug, not too tight. Give it a shake. Make sure it's good.
Take this piece, slide this into the air box, just like that, and there's retainers right here. Take those push pins, lock them down.
Then we can take the negative side. Connect the negative side. Take the same 10 millimeter socket and ratchet, and tighten it up. That's good. At this point, if you had that cover, you're to want to put the cover backward goes.
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