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#1 (permalink) Old 10-20-2009, 09:39 AM
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Question Thermostat Replacement? 05 325xi

Hi,
I need to change out my thermostat and housing this weekend (stuck open). I had a couple questions I was hoping could get answered:


1-Is there any gasket sealer to deal with when replacing the thermostat/housing or just an o-ring?

2-Do I need to completely drain my antifreeze or can I just remove the part, spill some and top off. I know I have to bleed the system but the car only has 28k so if I didn't have to completely drain it, I won't.

3-Do I have to use special BMW antifreeze? Can I just use Prestone or similar?


Thanks in advance!!
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#2 (permalink) Old 10-20-2009, 09:53 AM
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1.Looks like a sealed unit so I would say 'o' ring. #2 here:

RealOEM.com   BMW E90 325xi Waterpump - Thermostat

2.No you can just drain whats need and top off.

3. As its an 05 I would say its bmw antifreeze, you can top off with another make, but you should change the whole lot every two years anyway.

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#3 (permalink) Old 10-20-2009, 12:08 PM
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Quote:
Originally Posted by rstier View Post
Hi,
I need to change out my thermostat and housing this weekend (stuck open). I had a couple questions I was hoping could get answered:


1-Is there any gasket sealer to deal with when replacing the thermostat/housing or just an o-ring?

2-Do I need to completely drain my antifreeze or can I just remove the part, spill some and top off. I know I have to bleed the system but the car only has 28k so if I didn't have to completely drain it, I won't.

3-Do I have to use special BMW antifreeze? Can I just use Prestone or similar?


Thanks in advance!!
If the car only has 28K on it, shouldn't the dealer be taking care of this for you?

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#4 (permalink) Old 10-20-2009, 12:49 PM
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Thanks Marti5!

As far as the warranty goes, it is 4 years/50k. I reached the 4 years this spring since it is a 2005.
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