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Thread: Aftermarket water pump

  1. 09-12-2018, 11:21 AM #1
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    acspecialists
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    Aftermarket water pump

    So my water pump was making some horrible noise from the bearings so I replaced it. The PO had done the water pump maybe 50k miles ago. The one that came off looked the same as the one I put on. Aftermarket pump for about $60. Really it's just a seal and a couple of bearings I didn't see the need to spend $200 on OEM. My daughters car was making and even worse noise so hers got swapped out as well her car has 90k. You could grab the pulley and move it all around it was crazy loose. Neither pump was leaking.

    I was giving my father in law a ride to the shop to pick up his E39 528i. He was on his third water pump. First one for him went 25k second one went 30k. I would guess the local shop is using aftermarket pumps. Hers's a photo comparing aftermarket with OEM,
    KIMG0104.jpg
    Does anyone have experience with the lifespan of OEM vs. Aftermarket?
    01' 750il Chromeline
    95 M3 LS swapped
    07 M5 Manual
    06' M5, Spartan wheels and a 507hp V10
    00' 740il Dinan, CAI, Romulus exhaust, Stage 5 engine and transmission tune, 750 brakes, camber plates, strut tower brace. Sold
    00' 323i wagon for daughter
    03' 525i wagon for the wife, sold
    98' 740i for the daughter, wrecked
    92' 525i with over 200k, wrecked
    02' R1200 CLC, hit by a bus and broken in half. That one made the news!
    It's like herpes there is no cure but if treated properly you can live with it for the rest of your life
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  2. 09-12-2018, 04:21 PM #2
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    georgebest
    georgebest is offline Member
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    I've put in this one, should be same as original: https://www.fcpeuro.com/products/bmw...mp-11510393336
    Was debating using metal or plastic impeller, original and this one has the plastic one.
    Only put in probably 2K miles so no idea about reliability, sorry.
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  3. 09-12-2018, 07:37 PM #3
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    chucknorium
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    OEM manufacturer is INA - that is what I got from the dealer
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  4. 09-12-2018, 08:10 PM #4
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    georgebest
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    Quote Originally Posted by chucknorium View Post
    OEM manufacturer is INA - that is what I got from the dealer
    According to FCP it's Saleri.
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  5. 09-12-2018, 09:42 PM #5
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    chucknorium
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    Quote Originally Posted by georgebest View Post
    According to FCP it's Saleri.
    This is what I got from the dealer. You can clearly see INA for 97 M62b44


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  6. 09-13-2018, 10:22 AM #6
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    acspecialists
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    They both have metal impellers, one is cast and one is stamped steel. In all the cases I am aware of it's not the impeller but the bearings that cause replacement.
    01' 750il Chromeline
    95 M3 LS swapped
    07 M5 Manual
    06' M5, Spartan wheels and a 507hp V10
    00' 740il Dinan, CAI, Romulus exhaust, Stage 5 engine and transmission tune, 750 brakes, camber plates, strut tower brace. Sold
    00' 323i wagon for daughter
    03' 525i wagon for the wife, sold
    98' 740i for the daughter, wrecked
    92' 525i with over 200k, wrecked
    02' R1200 CLC, hit by a bus and broken in half. That one made the news!
    It's like herpes there is no cure but if treated properly you can live with it for the rest of your life
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  7. 09-13-2018, 11:35 AM #7
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    georgebest
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    Maybe that's why BMW went with plastic impeller originally? To put less pressure on the bearings? Just guessing.
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  8. 09-13-2018, 04:24 PM #8
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    purplecty
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    I used a Graf with the metal impellar and made sure i used the OE green gasket with the silicone bead applied to it from factory...

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  9. 09-14-2018, 01:45 PM #9
    JTL
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    Replacing the water pump is not terribly difficult but it's still some amount of work. You also have to deal with the coolant which I have always found unpleasant. With that in mind why would you bother taking a chance with after market parts?! Max@ oembimmerparts has oem pump for ~$90 free ship/no tax.
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  10. 09-17-2018, 12:06 PM #10
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    I had a $60 dollar one go in 10K miles the bearing wobbled. Now I have Saleri
    ---- Processing Individual ----
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  11. 09-18-2018, 04:20 PM #11
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    I've used the Graf metal impeller pumps. No complaints.
    '98 740il | 9/97 build | schwarz 2 | sandbeige | 5AT | 270k
    '04 330i ZHP sedan | Mystic blue | Alcantara | 6MT | 120k
    '00 540i sport | Titanium silver | Black | 5AT | 152k
    '85 Mustang GT convertible | Medium charcoal metallic | Gray | 5MT | 216k | one owner, all original

    mods: m-pars | Bilsteins & B&G springs | ValentineOne | StealthOne
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