How To: E53 X5 Cooling System Overhaul (MUST-DO Service)

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Today, we're tearing apart my 2003 E53 X5 in order to service the radiator, water pump, thermostat, and hoses, one of the major weak points on the M54 motor! We also find out what a "failed" water pump looks like, and why it's so important to service these components before they leave you stranded.
Parts (these are for 3.0L M54 models only)
Radiator - 17117544669 (automatic - 17107544668)
Expansion tank bracket (manual) - 17111438818
Expansion tank bracket (automatic) - 17111438819
Water pump - 11517509985
Thermostat - 11537509227
Upper Radiator Hose - 11537500733
Lower Radiator Hose - 11537508688
Lower Radiator hose temperature switch - 13621433077
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Опубликовано:

8 сен 2024

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Комментарии : 38

@tyeatkins9281 2 года назад

Never stop the Bmw content! Just wish the videos where longer!

@jonahk130 6 месяцев назад

Ayyy mine is an 02 5 speed same metallic grey also!! Thank you for all the information my guy!! The next clear day I have here in Texas, (probably Saturday) I'm gonna be throwing on a new radiator, pulleys, tensioner, expansion tank, belt, and water pump and it's gonna be wonderful my baby has been sitting for a month now. Before that it was sitting for a month and I fixed the alternator.. the next day my new belt snapped going down the highway. At least it had a warranty and i found it and got a new one for free lol thank you again dude!!

@coiefalexandruadrian1389 2 года назад

that glitter dust is radiator stop-leak additive

@garymendoza6947 2 года назад

Good job! Enjoying the E53 content a lot 🙌🏻

@poldy2610 2 года назад

for bleeding you should turn the key to position 2, get inside and turn the heat all the way up and fan speed to the lowest setting. this should activate the 2nd electric pump that m52tu and m54 motors all should have as far as i know. nice video!

@jonahk130 6 месяцев назад

Good advice, and don't add too much or forget to unscrew the bleeder screw!

@hashim_iraq 2 года назад

Straight to the point. Keep it up man.

@tkajtsai1586 2 года назад

The HEPU metal water pump is good choice. I took the same one in my E53 X5 BMW 3.0i 2001.

@AKTad 2 года назад

Audio was a lot better in this vid! Love the new build

@MrMiha00 2 года назад

You din't replace two plastic Hoses under the intake, they usually rostet because the connected to the engine block. I know it because I couldn't find slow cooling leak......

@TheBimmerBarn 2 года назад

Those are definitely on my list! Probably service everything under the intake manifold at one time 👌 thanks for watching!

@Nico_335i_DCT 2 года назад

Great job Chris. Luckily, the M52 and M54 are easy to bleed. My M50B25 was a pain in the backside until I was told to put the front of the car up in the air. Later I discovered it was because of the poor design of the heater core in the dash. The core is the highest point of the M50 cooling system, not the radiator. Have a great weekend. Dutch regards, Nico.

@TheBimmerBarn 2 года назад

Thanks for sharing, Nico! Didn't realize that fact about M50's, have to keep that in mind.

@mackiv8612 2 года назад

M54 has a secondary bleeder screw that really sucks to get to.

@NewToolTuesday 2 года назад

Dude is that black drain pan from the dollar tree though I was the only one that used those

@TheBimmerBarn 2 года назад

Lmao yes it is, takes one to know one! 😁

@chadriddle3517 2 года назад

Lmao! I have 3 of those can’t beat it

@pugs1377 2 года назад

Cool how the wp had holes for jack bolts. Good design. Too bad they aren't made like that anymore

@TheBimmerBarn 2 года назад

Yeah that pump was glued on with all that RTV lol, great design.

@marcin4255 2 года назад

Very good job 👍👍👍

@brennang02 Год назад

lovely video, will be doing the same changes very soon. Only negative is that the bleed procedure explanation was horrendous, very unclear what you were trying to say. Will have to find a different video for that bit.

@denniscampbell9376 Год назад

Wanted to know if you knew a good place to buy the hard coolant lines under the intake I bought a pair from PartsGeek it didn't fit and I also bought some off of eBay they also did not fit properly a link would be great thank you so much

@alexkuznetsov5958 9 месяцев назад

Great video man! Question, why you did not flush the cooling system with water several times before adding antifreeze?

@MedyaGh 2 месяца назад

I am wondering is this Manual transmission ? how come you didnt have to unplug the hoses from transmission coolant?

@elahmadgaming7323 2 года назад

Careful w the Hepu aluminum pump started scoring my block and failed early

@bellaaa7020 Год назад

Hi, I have a question! Do you know what the black cap that goes over the spring under the coolent tank is called? I broke it trying to replace my coolent tank!

@xcofcd Год назад

Its the thermostat for the automatic transmission heat exchanger.

@piotrkarolczak7089 Год назад

The thermostat is only original, I see that you are installing the Wahler thermostat, two thermostats of this company died after a year of use, they kept the temperature, but there were leaks from under the heater and that's why I decided to put on the original thermostat