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#31
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I come from E39 (1998 528i), so we do cooling overhaul as preventive maintenance. When I did that, I replaced most items in the cooling system. I wrote it up below for the 1998 528i: ENTIRE COOLING SYSTEM REPLACEMENT Tips and Tricks (Very Long, Enjoy!) Now, for the 2006 X6 3.0L MT with 113,000 miles, I am thinking out loud as preventive maintenance: REPLACE: 1. Thermostat by Wahler, PN 11537509227 $55 2. WP by HEPU $62 (I have had HEPU in my E39 for 8 years, zero problems) 3. WP Pulley b/c this thing is plastic and usually cracks at 140K or so. It is cheap at $22. 4. Reservoir: BMW PN 17117573781, $76. This is b/c I saw some posts where people reported cracked reservoir at 125K. CHECK AND REPLACE IF NECESSARY: 1. Fan Clutch 2. Fan Blade 3. Pulleys x 3 (incl AC system) 4. Belts x 2 KEEP: 1. Radiator because it rarely leaks before 150K. I have had good success with Nissens radiator in my E39 for the last 8 years. Anyone here has experience with Behr? 2. Radiator Hoses x2 because it rarely leaks before 150K. Any opinions will be welcome!
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1998 E39 528i 5sp MT 2006 E53 X5 3.0 6sp MT |
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#32
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I have 74k on my '03 5MT, and previous owner replaced expansion tank, hoses, and Tstat with OE items before I purchased the car.
I did the 3 pulleys, and 2 belts within the first year after purchase, and my indy noticed that my fan clutch was shot at the same time. As far as I know my WP and WP pulley is original although I have to check my receipts, as well as the fan blade. Due to age I may do the fan blade and water pump within the next year or two and a full cooling flush and fill.
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2018 Ram 2500 6.7L Cummins 68RFE 19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed 2013 X5 35D (CEO's) - Born on 5/17/2013 - 82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards |
#33
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Good write up - except for the
Quote:
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2004 E53 4.4L N62 |
#34
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I am wrestling with that lower hose right now. Broke the transmission thermostat in the process of removing the tank. Real PITA.
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#35
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I need some serious help getting this lower hose off. Any tips or tricks, I about to sawzall the damn thing.
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#36
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Got it off using a small pry bar from underneath to loosen it just enough to wrestle it off from the top.
Got a new thermostat from Napa for $86, expensive but they were able to special order it and have it to me in less than 24 hours on a weekend. If it was Monday I would have ordered it from Oembimmerparts and had it overnighted. |
#37
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Hi everyone,
Awesome right up! and thanks I just joined the forum even though I've always been reading and viewing the posts. Almost over 6-7 years ago I was part of a X5 forum I believe it was called X5World and now I think is Bimmerfest. I got a 2004 X5 3.0 E53. I try to do most the basic maintenance on it, love the truck, I also have a 1998 R1200C BMW Bike- Also known as the Bond Bike from Tomorrow Never Dies, love working on that also. I just had a few Q on this DIY-- 1. I have a 2004 X5 3.0 E53- Would this DIY be that same? 2. The O-Ring that comes with the Water pump, is that the same O-Ring that was put on the Aux Fan Switch? 3. This Spring, I'm gonna replace my Thermostat as it gone haywire due to the one day we had -25C temps with Out Wind Chill and with Wind Chill it was was over -34C. The Thermostat got stuck open and I had very little warm air coming in the whole day and the needle was just running above the totally cold mark even after an hour of driving. Now with the weather normal the car does heat up just below the middle I think it should be at middle after an half hour-hour driving right? Do you think the Thermo is shot or was it just that one day it got stuck and I should definitely replace it? 4. I have only 137,000 KM- (KM Not Miles) that like 85 K Miles. Shall I do the waterpump and hoses also? even thought they are ok? I know the preventive maintence says at over 130 k MILES. Thanks for you help guys! |
#38
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2. No, the Water Pump has its own O-Ring. You'll have to purchase the aux-fan o-ring separately. 3. Definitely sounds like a stuck thermo. Regardless of the outside temp, the motor regulates its own temps so it running cold for over an hour tells me its a stuck thermo. 4. its up to you but i'd say this: the water pump is probably good for 150k miles, easy. Hoses are mostly damaged by heat so given you're in Toronto, it's not exactly excessive heat however the car is now 12 years old so might be worth it esp if you do a great deal of long distance.
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---------------------------------------------- 2006 X5 3.0L - Schwarz Black/Truffle Brown Stock But I keep it clean |
#39
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I'll probably change the hoses as I am doing the thermo anyways as well as the o-ring for the fan. Thanks Again!! |
#40
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Just replaced the water pump on a 3.0 e53 X5. I couldn't get the pump to seat far enough to get the nuts started. Used a little lithium grease on the o-ring and edges of hole in the engine but no matter how hard I tried couldn't get it to seat.
I was afraid of damaging the radiator so used a 2x4 about 5 feet long to rest on the top and bottom of the radiator and used a rubber mallet and piece of wood to span the distance to the pump. It provided the leverage to gently push the pump directly into the engine and it easily popped into place.
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2003 X5 Steel Grey 3.0i |
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cooling system, e53, m54, thermostat, water pump |
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