E46 BMW Coolant Expansion Tank Replacement - Detailed DIY

Replace that popped expansion tank in your e46 BMW quick and easy!
LINKS:
Cooling system overhaul video: • BMW Cooling System Ove...
Expansion tank: amzn.to/3qBmIon
Expansion tank cap: amzn.to/3KFsn3z
Mechanical Fan Removal: • Clutch Fan Removal | E...
Socket wrench set: amzn.to/3EP9kBW
Bits and driver: amzn.to/34v0Dg7
Electric screwdriver: amzn.to/3Hoafrt
Phillips screwdriver: amzn.to/3EFZH7W
Flathead screwdriver: amzn.to/3J3azft
Large flathead screwdriver: amzn.to/3unqAsT
Tiny flat head screwdriver: amzn.to/3sbUm0L
Pliers: amzn.to/3gkXUIB
Plastic prying tool: amzn.to/3MAwYCl
Floor jack: amzn.to/3gjrL47
Jack stands: amzn.to/3Pz5NN3
Ramps / blocks: amzn.to/41Lgi2u
Creeper: amzn.to/3sgEE4q
Drop light: amzn.to/3uoiwIo
Fluid drain pan: amzn.to/3AjAwFN
Safety glasses: amzn.to/35AO9ns
Rags: amzn.to/3J6prtT
Silicone grease: amzn.to/3J1iryo
BMW coolant: amzn.to/43PhpQu
Distilled water: amzn.to/448ZjII
Magnetic bowl: amzn.to/3HsWtnA
Plastic bowl: amzn.to/3R7hAQQ
Amazon Prime Student Discount: amzn.to/3YzZNXk
Amazon Prime Discount for people with SNAP, Medicaid, etc.: amzn.to/3sfQpvW
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TOOLS AND SUPPLIES USED:
• Socket wrench
• Large flat head screwdriver
• Socket extension
• 10 mm socket
• T-25 torx bit
• Tiny flat head screwdriver
• Pliers
• Electric screwdriver
• Phillips screwdriver
• Plastic prying tool
• Floor jack
• Jack stands
• 2 wood blocks
• A creeper
• A light
• Fluid drain pan
• Silicone grease
• Safety glasses
• Rags
• 1 gallon of BMW coolant PN# 82141467704
• 1 gallon of distilled water
• Magnetic bowl
• Plastic bowl
• Expansion tank PN# 17117573781
• Expansion tank cap PN# 17117639022
• 1 gallon of distilled water
• 1 gallon of BMW coolant PN# 82141467704
• Expansion tank PN# 17117573781
• Expansion tank cap PN# 17117639022
**This video description contains affiliate links, which means that if you click on one of the product links and make a purchase, I'll receive a small commission at no additional cost to you. This helps support the channel and allows me to continue making videos like this.
*Disclaimer*
Due to the litigious world we live in, I have to include this statement:
I cannot guarantee against improper use or unauthorized modifications of this information. The creator of this content assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. I recommend safe practices when working on vehicles and or with tools seen or implied in this video. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not the creator of this content.

[@teresahardy5895]

Hands down the best instructional video

[@fredthe52]

very good explanation loud, clear and detailed👍👍

[@theladytech]

Awesome Video. Thanks for the tips.💖

[@sacciecoffeedude]

Nice guide. Thanks.

[@amanidlaw]

Thank you very much much

[@lthirteen_]

I wish my expansion tank would release this easily 😂😭😭

[@jojodelgado5244]

Thank you Sir,

[@alext8828]

Nice looking buggy.

[@EndlessMoneyPits]

Thank you, kindly.

[@g0nz0theGreat]

Thanks! not exactly the same but helped me with my 318i which had a cracked one. No leaks no problems.

[@g0nz0theGreat]

BTW: if anyone has trouble with leaks at the base after fitting, just make sure the connectors are VERY clean of any old dirty material, and you do have to use quite a bit of force to fully seal and lock in those plugs, I was pushing down with about half my weight repeatedly until it fully sealed. These things are old, be patient.

[@hellswindstaff91]

My 2006 X3 manual trans expansion tank would NOT come out easy. Forgot to remove the big clip on the bottom. I have no idea what i broke getting it out but it came out

[@riccardocervetti3203]

Do I need to put new o-rings in? Are the o rings built in the hoses?

[@EndlessMoneyPits]

They are built into the hoses

[@danielmontilla6629]

i got water on expansion tank i think it is oil from gearbox, what you think, i have a 2002 330i automatic

[@EndlessMoneyPits]

Is it oil or water? The color and texture should point you in the right direction.

[@shaqtalksstocks]

Cant get mine to snap down into place at the bottom of radiator, any tips?

[@EndlessMoneyPits]

Make sure the connection is clean. The silicone grease goes a long way.

[@pedrogadea4926]

How did you get the bottom piece at 5:50 to come out with the expansion tank? Mine stayed on and now the new tank doesn't sit properly, leaks from that small connector that doesn't have a metal clip

[@EndlessMoneyPits]

Mine always come out that way. I've seen some e46 with a slightly different cooling system design but I'm only familiar with the design on my car. You'll have to take a close look and find a way to get that sealed. Sorry I can't help from here.

[@nentachi5284]

Could you possibly have a link to find that part, ive been looking and havnt found it yet. Where the hose goes the plastic broke and is stuck inside, so now i need a new hose and mount

[@philmedor13]

I'm having the exact same issue, did you ever figure it out?

[@everardorojasreyes9621]

Qué tal buenas tardes soy de la ciudad de México oye qué pasa si se le quita el termostato que va en el depósito del anticongelante

[@EndlessMoneyPits]

I'm not sure, I never tried that.

[@lilbreezi1243]

I installed a new tank but it’s leaking from the bottom where it mounts and I fitted everything the way it was supposed to what could this be?

[@EndlessMoneyPits]

Those hoses are finicky. They have to be pushed in 100% completely or they will leak. Happened to me once too with a different hose but that's the first thing I'd check.

[@TurtleRL]

is this the same for the 325xi ? does the AWD change anything?

[@EndlessMoneyPits]

I can't be sure off hand but I don't see why it would be different.

[@lilbreezi1243]

I installed the new tank a month ago and it’s losing coolant and overheating but there is not leak dripping or anything what could this mean?

[@flavioivascu287]

Bleed it bro!

[@steaminggreens3827]

bleed it.

[@goldtrojanman781]

I can’t find that bottom piece of the expansion tank anywhere what’s the actual name for it?

[@EndlessMoneyPits]

It appears to be part of the "expansion tank retainer". Part Number 17111436250 (for manual transmission vehicles)

[@goldtrojanman781]

@@EndlessMoneyPits thanks brother I literally just found it. For some reason I thought it was sold separately on fcp euro and it comes on a side mount bracket. Appreciate the swiftness in response.

[@DevenKnight]

Why does every video skip the othe sensor

[@EndlessMoneyPits]

Which sensor?

[@psychip]

i sold the car, no longer a member of endless money pits

[@EndlessMoneyPits]

Sad! What did you replace it with?

[@psychip]

@@EndlessMoneyPits bicycle

[@EndlessMoneyPits]

Bikes are awesome! Have fun and stay healthy.

[@arthuresclamada1805]

damn this is the wrong way to DIY.. even the way the hoses are connected.. very wrong!! you push the clips first and then connect the hose, you'll hear a click which means that the connection is secure.. obviously no idea what he's doing with a BMW..

[@EndlessMoneyPits]

lmao chill