Interesting that this pump and the Hepu both have great reviews, up to a point (there's no year on the review posts), then they all went to 1-star with many early failures. This implies the actual manufacturer changed for the worse. The Graf info says it's made in Italy and the Hepu in Germany but I would bet that both vendors switched the source to China or India or some other cheap-labor country. Spend the extra $. Get the good one so you're not stranded in BFE for three days like I was. (wish I could edit a review but I can't)

This was installed by the prior owner in my old E53 X5 about five years and only about 35,000miles before it failed on a road trip. The pulley shaft walked out of the pump and caused the serpentine belt to get thrown and shredded, leaked out all the coolant, damaged the aux pump and left me stranded for three days in the middle of nowhere waiting for a replacement. $600+ repair plus three nights in a hotel due to it being July 4, so the shop was closed and the parts didn't arrive until the third day. I couldn't do it myself in the parking lot of a gas station where I was able to coast from the highway when it blew up. Luckily the engine didn't overheat. I don't know what kind of replacement the shop installed but I sure hope it wasn't one of these.

Failed the exact same way on two separate vehicles. Bearing failed causing the belt to break and leak coolant and overheat. With and without a viscous fan. I say spend the extra for a quality piece especially on a critical component in an engine.

I installed this water pump on my 2005 530i. It lasted for 20,000 miles. I gave it two stars because it got real loud, so loud I stopped driving before it grenade and took the engine with it. I’ll be buying oem or the more expensive higher quality pump for the near install. Luckily I bought it through FCP, so they’ll stand behind the product and I’ll get my money back.

I installed this water pump on my 2005 530i. It lasted for 20,000 miles. I gave it two stars because it got real loud, so loud I stopped driving before it grenade and took the engine with it. I’ll be buying oem or the more expensive higher quality pump for the near install. Luckily I bought it through FCP, so they’ll stand behind the product and I’ll get my money back.

Earlier in February it started making squeaky grinding noise. Just reordered my 2nd purchase. Original replacement was installed in March 2018. It lasted 5 years or 40k miles. Now it is time to return my original purchase for the lifetime warranty. Three stars for the pump but five stars for the lifetime warranty.

I replaced my OEM pump at 182k with this Graf pump. The bearing failed at 223k, which is bad, but the second Graf pump failed within 200 miles! This time it's spraying coolant out of the front.

its the best cheapest metal impeller type of water pump I have found. The pump has a cardboard tube around it when you take it out of the box, its stuck on like its pressed fit, but careful not to rip the o-ring as it is why its stuck on.

Replaced the waterpump on both my e39 and e60 with this. The e39 had it replaced a year ago, was still holding up and no leaks before i swapped it out with a Stewart EMP wp. Replaced the waterpump on my e60 m54 with this and it leaked from the weep after a month and maybe 600 miles. Probably was a bad batch but still turned me off from these cheap metal impeler waterpumps and went with a saleri unit for the e60 which has been fine after 4 months and 2k miles. Stick with the saleri pump if you dont be pushing your car to its limits often. If you do, Stewart pump would be best for you as it provided a higher flow rate and construction is overall supperior with larger high quality bearings and larger shaft hence costing 4x as much as a OE Saleri pump. If the impeller where to shear or shatter on this one, expect the block to possibly be trashed from the carnage of the thin cheap welded fins on the impeller dancing about internally.

Failed with than 5k miles on it, do not recommend.