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E46 Xi Forum
The E46 XI was produced from 01-05 in sedan and touring body styles. Powered by either a 2.5L inline 6 in the 325xi or a 3.0L inline 6 330xi. Discuss all thing about BMW AWD E46 'Xi' here.

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Old 04-27-2013, 05:40 PM   #1
DieselMinded
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Any tips for changing water pump?

I have a new pump in route , just preventive maint.

I have the electric fan so i guess i dont need any special tools?

Should i remove the radiator ?

I already have new tstat, cap and expansion tank sitting here as well as 1 gallon bmw antifreeze do i mix it with distilled water? What is the capacity?

Oh yeah i have new serpentine belt coming too

Thanks in advanced
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Old 04-27-2013, 05:54 PM   #2
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DIY has been posted many times, search for it and you will find it. Very simple job with simple tools. No need to remove the radiator.
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Old 04-27-2013, 05:58 PM   #3
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No need to remove the radiator.

Look like you have all the parts.

Takes about 2 gallons of 50/50 mix. But if you don't drain the engine block, it will take about a gallon.
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Old 04-27-2013, 06:09 PM   #4
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My car has the electric fan so i dont need the special tools correct?
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Old 04-27-2013, 06:12 PM   #5
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Just a torx bit to remove the one bolt holding it down. I think T30 is the size.
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Old 04-27-2013, 06:32 PM   #6
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Yes, only mix with distilled.
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Old 04-27-2013, 06:34 PM   #7
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i read the diy but they are for the cars with the fan connected to the motor?
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Old 04-27-2013, 06:42 PM   #8
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Same DIY, but no fan clutch to remove and your fan shroud is your electric fan.
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Old 04-27-2013, 11:03 PM   #9
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Was my electric fan oem?
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Old 04-27-2013, 11:21 PM   #10
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Waterpump is straight forward, buy the all metal pulley and new hardware for the entire operation.

Joe
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Old 04-27-2013, 11:23 PM   #11
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Tell us more about more mileage as well, perhaps all pulleys are in order,belts and radiator or hoses whole everything is out. I did the block flush on my XI's it was a bit rough but I got it done, just don't lose the block plug like I did.
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Old 04-28-2013, 12:50 AM   #12
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It's a joke- took me under an hour including filling and burping the system. I didn't put a new expansion tank or anything in, but it really was very easy and only minimally messy. You won't really need any special tools. I thought the tensioner was a hex and not a torx, but I could be wrong. Honestly I got like 5 tools out of the toolbox for this repair.

Be glad you have the electric fan as it makes messing with things on the front of the motor really easy. I think alternator only took about a half hour to replace.
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Old 04-29-2013, 09:15 AM   #13
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Quote:
Originally Posted by DieselMinded View Post
Was my electric fan oem?
There is an electric fan on all e46s, but no mechanical fan on the manual transmission cars.

Check Realm.com to see what parts applied to tour model.
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Old 04-29-2013, 09:16 AM   #14
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Quote:
Originally Posted by DieselMinded View Post
Was my electric fan oem?
There is an electric fan on all e46s, but no mechanical fan on the manual transmission cars.

Check Realoem.com to see what parts applied to your model.
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Old 04-29-2013, 10:42 AM   #15
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Was my electric fan oem?
Do you have a manual?
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Old 04-29-2013, 11:09 AM   #16
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Yes
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Old 04-29-2013, 01:50 PM   #17
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Then you have an electric fan from the factory.
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Old 05-02-2013, 09:31 AM   #18
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Yes, it would be a puller fan behind the radiator.
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