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#1 (permalink) Old 09-13-2008, 12:11 PM
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Water pump replacement 1998 528ia

Is it relatively easy for a DIY'er to change out the water pump in a 1998 528i?
I just got done replacing the Thermostat, but I'm still having the overheating problem. Also, with those water pumps, are there different impellers (plastic or metal)*...and if so which one is prefferred on replacement part like that...?
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#2 (permalink) Old 09-13-2008, 12:21 PM
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Hi, I just changed mine on a V8 735i, Piece of cake, really, make sure you make a drawing of the belt, I purchased mine from BM which cost me 25% more but comes with METAL impeller, dont go for plastic although cheaper,you will regret it,I have had may stories on plastc impellers. Please spend the extra and save yourself a nightmare.

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#3 (permalink) Old 09-13-2008, 12:39 PM
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Quote:
Originally Posted by marti5 View Post
Hi, I just changed mine on a V8 735i, Piece of cake, really, make sure you make a drawing of the belt, I purchased mine from BM which cost me 25% more but comes with METAL impeller, dont go for plastic although cheaper,you will regret it,I have had may stories on plastc impellers. Please spend the extra and save yourself a nightmare.

Regards,

Marti.
Thanks Marti....I appreciate the feedback and I've ordered the water pump already with the metal impeller....
Is there anywhere I can find some simple step by step instructions with the tools needed etc on it?
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#4 (permalink) Old 09-13-2008, 12:55 PM
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Hi, These are for a 7 series v8 but the method is the same as are the tools required, after the diagrams you will see titles undrlined 'click' on these they are a step by step, so it should be the same process,

BMW E38 Water Pump Removal and Replacement

p.s the 32mm spanner is to get the viscous fan off, which you should be able to get from a good car shop. all you do is put on and give it a good whack with a hammer, maybe a few times, REMEMBER it is a lefthand thread opposite to normal!!!! so undoes the other way to a normal nut, takes a couple of secs to work out when you have the spanner on it ! Ha Ha!

Goodluck

any probs get back to me.

Marti

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UNITED WE STAND DIVIDED WE FALL

I stepped in a plate of Pasta the other day - now I have to worry about my Carbonara footprint!

Last edited by marti5; 09-13-2008 at 01:01 PM.
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