SKU: 91758848898

ACL BMW N63B44/S63B44 4.4L V8 .025mm Oversized Main Bearings

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Description

ACL BMW N63B44/S63B44 4.4L V8 .025mm Oversized Main BearingsRace Series Main Bearing Set 0. 001 undersize for BMW N63B44, S63B44 4395cc V8 DOHC 4v This Part Fits: Year Make Model Submodel 2009 2012 BMW 750i Base 2013 2016 BMW M5 Base 2012 2018 BMW M6 Base 2015 2018 BMW X5 M 2011 2013,2015 2018 BMW X5 xDrive50i

Race Series Main Bearing Set - 0.001 undersize for BMW N63B44, S63B44 4395cc V8 DOHC 4v

This Part Fits:

Year Make Model Submodel
2009-2012 BMW 750i Base
2013-2016 BMW M5 Base
2012-2018 BMW M6 Base
2015-2018 BMW X5 M
2011-2013,2015-2018 BMW X5 xDrive50i
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SKU: 91758848898

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4.9 ★★★★★
Based on 6 reviews
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J
Verified Purchase
J Chase
West Palm Beach, US
★★★★★ 5
It is an air filter
Fit perfect easy replacement and saves $$$.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
K
Verified Purchase
katsura
Lowell, US
★★★★★ 5
Perfect fit for 2020 Subaru Outback
Fit my 2020 Subaru Outback perfectly. 5-minute install. Works great. My previous cabin filter was scary to see.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 16, 2025
R
Verified Purchase
Richard Gopen
Pawtucket, US
★★★★★ 5
Good, inexpensive replacement filter
I've used these filters for a couple years (four replacements) on my Subaru Crosstrek, and they seem to do the job well, probably as well as the original. I generally remove and clean them every three months, and replace them every six.
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Reviewed in the United States on May 7, 2026
J
Verified Purchase
Jim Wallace
Lexington, US
★★★★★ 5
Save some money by doing your own cabin filter change! (You won't notice a difference).
So, one day I was getting an oil change at the dealership, and the associate told me that cabin filter was pretty dirty, which I believed because of the places I take the car, and she said that they could change it while they were finishing up the rest of their inspection, since they already had it apart. I asked her "How much?", and then we both had a laugh when she said "$90." I told her I'd take care of it. It took two days for Amazon to get a replacement filter to me, twenty minutes to watch a You Tube video showing how to replace the cabin filter on my car (I watched it twice), and then about twenty-five minutes to replace the filter itself--I keep a messy glove compartment, so a good portion of the time was loading and unloading that nightmare. In the end, under $15 for the filter, maybe 45 minutes to watch and replace, and the cabin filter hasn't been this good since I first bought the car. This replacement version was as good as the OE filter, fit exactly the same, there's no difference in airflow that I can tell, and so far (6 months later), it seems to be holding up pretty well. We'll see what it is like after a year. I did get the oil changed about a week ago, and the technician didn't raise any alarms about the filter, so everything seems to be working. $90 for a new filter? You can do it yourself cheaper.
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Reviewed in the United States on April 6, 2026
C
Verified Purchase
chad martin
Lexington, US
★★★★★ 4
Fresh Air Upgrade for My 2024 Impreza
Installed this in my 2024 Subaru Impreza, and it fit perfectly—no issues. The air smells noticeably cleaner now, and it took less than 10 minutes to swap out. The carbon and HEPA filtration does a great job clearing out odors, dust, and pollen—definitely an upgrade over the factory filter. The build feels sturdier than the OEM version, though it does have slightly fewer pleats. Might mean it needs replacing a bit sooner, but for the price and performance, I’m fine with that tradeoff. If you’re looking for a quick, affordable way to improve your cabin air, this one’s a solid pick. 
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Reviewed in the United States on June 26, 2025

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