How to Replace Battery 1997-2006 BMW 325Xi

What's up guys? I'm Andy from 1A Auto. In this video, I'm going to show you how to replace the battery on this 2001 BMW 325xi. If you need parts for your vehicle, click the link in the description and head over to 1AAuto.com.

With the trunk open, we're 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. 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.

That's loose. Slide off the cable. Slide it out of the way. With that off, now I can loosen up the positive side. The same 10 millimeter socket and ratchet, loosen this up. Take off the positive cable.

Now the hold down has a little bit of tension of it, so you can take a Phillips head screwdriver, loosen up this screw right here. That's just going to release some of the tension. You don't have to take it out or anything, just loosen it up a little bit, and we can take these two bolts out. These are 13 millimeter socket extension and a ratchet. Take this bolt out, and then take the other one out.

Take that bolt out. All right, take this hold down off. Just grab it. Put it to the side. There should be a vent hose that comes off the battery. If there is one, then you're going to want to grab it and pull it out. Disconnect it. This one doesn't have that.

I'm just going to grab the handles, slide the battery up. Here's the vent hose that's supposed to connect to the battery. There's a hole right there. That's where that's supposed to go. In this vehicle, it does not have that.

So this battery should have had this little right angle vacuum T in there, and it didn't, so we're going to put it in. It's just going to go in right there like that. If you ever wondered what those are for, that's for a battery that goes inside the vehicle, and then there's a little plug. We're going to put the plug on the opposite side.

Just like that. We can take the battery, slide it in position. Take that hose that goes to the outside, and just line that right up. So that vent's connected. That's good, and there's a little spacer right here. Make sure the battery is right up to that spacer.

We can put the hold down on next. Line that up in position. Just like that. Take the bolts. Get the bolts started. Take my 13 millimeter socket and ratchet and just snug these down.

Now this is loose. I'm just going to use my Phillips head screwdriver, tighten this down a little bit. Don't tighten this too tight. You don't want to squish the battery, just so it has a little bit of tension on it. That's good, just like that. Take the positive terminal. When you're connecting a battery, you always want to connect positive first, opposite of how you take it off.

That way you don't arc out anything. Tighten that down with the 10 millimeter socket and ratchet, just snug. Not too tight, but make sure the terminal is tight. And we can take the negative side. Connect the negative side. Take the same 10 millimeter socket and ratchet. Tighten it up.

That's good. At this point, if you had that cover, you're going to want to put the cover back where it goes.

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