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02-20-2008 02:23 PM #1
Changing the WATER PUMP ? Radiator , Hoses ?
Im ready to change my water pump , ....just to be safe
What else should be changed ? Belts , Hoses ?
Will this cost me $500 - $800 at the BMW DEALER ?
Anyone still running with the orginial water pump , radiator, etc ?
My car is a 1998 M3 SEDAN
I guess they changed the water pumps after 96/97 ?
i dont want to blow my engine ,
My car has 105k , do I still have some life on my water pump , or is it a ticking time bomb ? :)
thanks for info , advice
02-20-2008 02:53 PM #2
- Omaha, NE, United StatesMember No: 128312
- Join Date
- Jul 2005
- Rep Power
Time to change:
Waterpump - Original BMW part, not Geba crap
While your in there type of things:
main drive belt and A/C belt
two tensioner and one idler pulley
radiator expansion tank
That would be my list at your miles. Especially if they are original to the car.
02-20-2008 03:58 PM #3
You are on borrowed time
A lot of these parts are not too robust. The water pump, radiator and hoses are dangerous to run that long. The drive belts also don't last very long in my experience. I've changed these due to premature wear several times on cars with less mileage than yours, in my experience, you are on borrowed time.
The rule of thumb is 60K for major cooling system service, including new pump and new radiator. Some will argue to run them to 100K, but there are plenty of failures earlier than that and you risk being stranded unexpectedly when it blows.
02-20-2008 04:12 PM #4
- , , United StatesMember No: 49533
- Join Date
- Sep 2002
- Rep Power
pretty easy do it yourself, but yeah do it!!!!soon
02-20-2008 09:37 PM #5
Radiator for sure,
They are not too expensive aftermarket or even dealer, but the dealer install $$$ will hit hard. Look for an independant if you don't want to do this yourself.
Most of us have had a radiator neck or water pump let loose on the road or have direct knowlege of one. (both on a 525i for me at 80K mi.)
02-21-2008 12:52 PM #6
I got lucky: 325i rad blew one block from home
Right practically at 100K. I shudder to think of breaking down a couple hundred miles from home with the kids and all. My luck was unbelieveable. I parked at the curb, and we walked home. When it had cooled off, my wife and I just pushed it down the street and into our assigned parking space where we lived at the time, where I would do the cooling system overhaul.
'93 325i sedan
'98 M3 sedan
02-22-2008 09:12 PM #7
here's a list of everything.....
Based on what's been mentioned. Like everyone said, it's all pretty easy do-it-yourself stuff, so if you have basic tools, a free saturday, a place to do the work, and some patience, this should be easy for you. Having a bentley service manual and/or a mechanically gifted friend around never hurts either. Parts and pricing as listed on Turner Motorsport's site, for reference.
These parts/items would be on my "Definitely do!" list.
M50/M52 E34, E36 & E39 6 Cylinder Water Pump (Original BMW)
part# 11517527799 (11 51 7 527 799)
Radiator - E36 6 cylinder 325/328/323/M3
part# 17111469179 (17 11 1 469 179)
E36 Upper Radiator Hose - 6 Cyl, 325/328/323/M3
part# 11531708499 (11 53 1 708 499)
E36 Lower Radiator Hose - 6 Cyl, 325/328/323/M3
part# 11531726344 (11 53 1 726 344)
Serpentine Drive Belt - Most M50 M52 S50 & S52 6 Cylinder
part# 11281469266 (11 28 1 469 266)
Air Conditioning / AC Belt - M52/S52 6 Cylinder
part# 11281437873 (11 28 1 437 873)
E34 525i 91-95 (M50 engine), E36 325i/328i/M3 Replacement Thermostat
part# 11537511580 (11 53 7 511 580)
M50/M52 Aluminum Thermostat Housing
part# 11531722531 (11 53 1 722 531)
BMW Antifreeze Coolant, 1 Gallon Jug
part# 82141467704 (82 14 1 467 704)
These are the more optional items, but if you're in there they are easy to renew, and you'll have some peace of mind and potentially save yourself a headache down the road.....
Fan Clutch - Many 6 Cylinders
part# 11521719269 (11 52 1 719 269)
Engine Fan - 11 Blades, 420mm - Many 6 Cylinders
part# 11521712058 (11 52 1 712 058)
Coolant Expansion Tank - E36/E39/Z3 6 cylinder 1992-1998
part# 17111723520 (17 11 1 723 520)
E36, E46, E39 6-cyl belt tensioner (shock)
part# 11281717188 (11 28 1 717 188)
Idler Pulley for Water Pump/Alternator Belt
part# 11281748130 (11 28 1 748 130)
02-23-2008 12:31 PM #8
03-09-2008 09:14 PM #9
Re: Changing the WATER PUMP ? Radiator , Hoses ?
I know I'm on "borrowed time" but it's been so long now that I have to know how long my radiator/water pump will last! My t-stat was changed two years ago, everything else is at 11 years and 193,000 miles..all original. I was hearing "your crazy" "tick tick tick" "any minute now" Back when Clinton was in office.
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