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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 12-03-2008, 07:58 AM   #1
WilkesE46
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Replacement Cooling System Hoses

Hey guys,
Does anyone know if there is an aftermarket manufacturer of cooling system hoses for E46's? I have looked at Samco, but it seems like they only make them for up to E36's.

Also, does anyone know an online retailer that sells a complete cooling system replacement kit? AKA, new hoses, expansion tank, thermo + housing, etc...

I think I will tackle this job after I get my intake/spark plugs/ fluids changed. Thanks in advance!
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Old 12-03-2008, 08:18 AM   #2
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Quote:
Originally Posted by WilkesE46 View Post
Hey guys,
Does anyone know if there is an aftermarket manufacturer of cooling system hoses for E46's? I have looked at Samco, but it seems like they only make them for up to E36's.

Also, does anyone know an online retailer that sells a complete cooling system replacement kit? AKA, new hoses, expansion tank, thermo + housing, etc...

I think I will tackle this job after I get my intake/spark plugs/ fluids changed. Thanks in advance!
Turner sells something like that. I'm not sure if it comes with hoses though.
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Old 12-04-2008, 02:49 PM   #3
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If I recall, there is some online retailer that sells complete coolant system replacement kits, with hoses, coolant, water pumps, etc. I think Turner just sells the pieces separately...
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Old 12-04-2008, 04:04 PM   #4
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http://www.trademotion.com/partlocat...catalogid=4462

Tischer does as well.
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Old 12-04-2008, 04:36 PM   #5
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Quote:
Hey guys,
Does anyone know if there is an aftermarket manufacturer of cooling system hoses for E46's? I have looked at Samco, but it seems like they only make them for up to E36's.

Also, does anyone know an online retailer that sells a complete cooling system replacement kit? AKA, new hoses, expansion tank, thermo + housing, etc...

I think I will tackle this job after I get my intake/spark plugs/ fluids changed. Thanks in advance!
It's a good idea to stick with the OEM parts as you'll be covered under BMW's 2 year/unlimited parts warranty if anything goes bad.......we have the complete kit here!



Kit includes genuine BMW:

Thermostat w/ housing/gasket (11537509227)
Waterpump (11517527910)
Upper radiator hose (17127510952)
Lower radiator hose (11531436408)
Expansion Tank (17117573781)
Radiator Cap (17111742231)
Engine drain plug crush ring (07119963200)
Lower hose temp sensor (13621433077)
1 gallon BMW antifreeze (82141467704)


*Price includes Free Ground Shipping! (US only)
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Old 12-04-2008, 11:34 PM   #6
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THAT'S what I was looking for! Thank you very much!
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Old 12-12-2008, 02:40 PM   #7
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Oh, I plan on calling you guys to ask, but thought I'd ask here as well: Is there any way to substitute the Stewart water pump for the OEM one in this package?
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Old 12-12-2008, 03:24 PM   #8
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Oh, I plan on calling you guys to ask, but thought I'd ask here as well: Is there any way to substitute the Stewart water pump for the OEM one in this package?
Probably not. The Stewart pump really isn't worth it unless you plan on driving your car for another 180k and/or track your car.

And I have not seen any reassurance that the Stewart pump will last that long.
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Old 12-12-2008, 03:44 PM   #9
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Well, I plan on building the car for club racing next year, so I figure I might go with the Stewart. Where have you heard that the Stew. pump will not last?
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Old 12-12-2008, 04:46 PM   #10
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Well, I plan on building the car for club racing next year, so I figure I might go with the Stewart. Where have you heard that the Stew. pump will not last?
I meant I haven't heard anything that says it WILL last.

I have the stewart pump and haven't had any cooling issues so far. It looks much beefier than the OEM one.
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Old 12-13-2008, 02:20 AM   #11
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well, i plan on building the car for club racing next year, so i figure i might go with the stewart. Where have you heard that the stew. Pump will not last?
bmwcca? Jp?
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Old 12-13-2008, 08:19 PM   #12
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bmwcca
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Old 12-14-2008, 02:34 PM   #13
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bmwcca
What class?
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Old 12-14-2008, 05:22 PM   #14
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Stock hopefully, and I know that in the 2009 rules the water pump can be replaced with something like the Stewart unit. I'm also trying to find the darn volume of our stock expansion tank because I want to upgrade it to a metallic unit, but thus far I have had no luck finding that number out...
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Old 12-14-2008, 11:10 PM   #15
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Zionsville makes an all aluminum radiator with a built in expansion tank. It is expensive though.
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Old 12-15-2008, 08:08 PM   #16
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Jesus that thing is expensive! But it looks damn nice though...Does anyone make an aluminum radiator for our car that is not THAT wild? Maybe a visteon unit?
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Old 12-15-2008, 08:52 PM   #17
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Jesus that thing is expensive! But it looks damn nice though...Does anyone make an aluminum radiator for our car that is not THAT wild? Maybe a visteon unit?
BimmerWorld has 1 or 2 sources, call them.
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Old 12-16-2008, 09:47 AM   #18
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Jesus that thing is expensive! But it looks damn nice though...Does anyone make an aluminum radiator for our car that is not THAT wild? Maybe a visteon unit?
Hey, don't say that I didn't warn you.
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Old 12-16-2008, 12:28 PM   #19
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Jesus that thing is expensive! But it looks damn nice though...Does anyone make an aluminum radiator for our car that is not THAT wild? Maybe a visteon unit?
Behr or Nissens make really good radiators. It'll fit perfectly. That's all I use in my racecar. A Behr goes for around $160.

Are you going to replace the two plastic water pipes (with the four rubber O-rings) on the engine along with the four heater hoses? All of those parts should be replaced at the same time as they are just as old and see the same heat as the rest of the cooling system. Then there's the aluminum washer on the drain for the engine block.
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Old 12-16-2008, 10:32 PM   #20
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Behr or Nissens make really good radiators. It'll fit perfectly. That's all I use in my racecar. A Behr goes for around $160.

Are you going to replace the two plastic water pipes (with the four rubber O-rings) on the engine along with the four heater hoses? All of those parts should be replaced at the same time as they are just as old and see the same heat as the rest of the cooling system. Then there's the aluminum washer on the drain for the engine block.
Do you have links to the Behr or Nissen units? Also, I apologize, but what exactly do you mean by "the two plastic water pipes", do you have a diagram?

Last edited by WilkesE46; 12-16-2008 at 10:33 PM. Reason: spelling error
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