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Ships within 48 hours · Estimated delivery Jul 4 - Jul 9
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Description
King XP-Series Crankshaft Main Bearings - BMW | 6CylKing XP Series main bearings layer copper lead construction with a nickel plate barrier and a lead tin copper babbit overlay over a steel backing in an adhesion process that provides superior stability and durability. Specifications: Size: Standard Sold as a set of 5. Fitment: 1986 1988 BMW 325 Base L6. 2693cc 1984 1987 BMW 325e Base L6. 2693cc 1986 1987 BMW 325es Base L6. 2693cc 1987 1993 BMW 325i Base L6. 2494cc 1987 1991 BMW 325is Base L6. 2494cc
King XP-Series main bearings layer copper lead construction with a nickel plate barrier and a lead/tin/copper babbit overlay over a steel backing in an adhesion process that provides superior stability and durability.
Specifications:
- Size: Standard
Sold as a set of 5.Fitment:
- 1986-1988 BMW 325 Base L6.2693cc
- 1984-1987 BMW 325e Base L6.2693cc
- 1986-1987 BMW 325es Base L6.2693cc
- 1987-1993 BMW 325i Base L6.2494cc
- 1987-1991 BMW 325is Base L6.2494cc
- 1988-1991 BMW 325iX Base L6.2494cc
- 1989-1990 BMW 525i Base L6.2494cc
- 1982-1988 BMW 528e Base L6.2693cc
- 1995 BMW M3 Base L6.2990cc
- 1996-1999 BMW M3 Base L6.3152cc
- 2001-2006 BMW M3 Base L6.3246cc
- 1995 BMW M3 Lightweight L6.2990cc
- 1999-2000 BMW Z3 M Coupe L6.3152cc
- 2001-2002 BMW Z3 M Coupe L6.3246cc
- 1998-2000 BMW Z3 M Roadster L6.3152cc
- 2001-2002 BMW Z3 M Roadster L6.3246cc
- 2006-2008 BMW Z4 M Coupe L6.3246cc
- 2006-2008 BMW Z4 M Roadster L6.3246cc
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 2007 reviews
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Product Reviews
★★★★★ 4
Definitely not cooling but comfortable
Color: Dark Grey, Size: Queen
Definitely makes my mattress more comfortable. Not finding it very cooling! Came quickly and arrived intact
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Reviewed in the United States on May 20, 2026
★★★★★ 5
This topper has definitely provided me with better, more comfortable sleep.
Color: Green, Size: Twin
I recently tried a twin mattress topper made from bamboo-derived viscose, and I'm quite impressed. The topper is thick, waterproof, and offers excellent comfort, especially for those who struggle with back pain or sleep hot. The bamboo and polyester blend gives it a soft, cooling surface that's perfect for a restful night's sleep without the sweaty feeling often associated with memory foam.
What I really appreciate is its dual function. It's breathable, allowing for good air flow, and fully waterproof, which helps keep the mattress underneath safe from spills. This is especially useful if you have kids or pets.
The topper's thickness is just right—it provides great support without feeling too soft or too firm. It cradles pressure points well, offering relief to my hips, back, and shoulders.
The fluffy filling holds up well over time, maintaining its softness and support. It fits securely on mattresses, thanks to a deep pocket skirt that prevents any sliding or bunching. This topper has definitely provided me with better, more comfortable sleep.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Soft and comfy
Color: Green, Size: Twin, Color: Green, Size: Twin
This mattress pad is much thicker and fluffier than the one I had before. With I took it out of the package, it was vacuum sealed with a note saying to leave it out in the sun for 48-72 hours or fluff it up with a hair dryer. I put it in the dryer on medium heat, which worked nicely. The pockets are really deep on this mattress pad and it fits snug. You don’t really see the shape with a sheet on top. It feels comfortable laying on top of it. It doesn’t flatten much when I’m laying down, but I imagine over time it will lose fluffiness. Overall it’s comfortable and breathable.
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Reviewed in the United States on May 31, 2026
★★★★★ 2
Good for already soft mattresses, 1in thickness.
Color: Dark Grey, Size: Queen
If your mattress is already soft, it will help. It's less than 1in thick after tumbling for 40 minutes. It did fit my queen bed and felt somewhat soft when laying down but it didn't help much as far as comfort. Quality wise it looks good, not cheap and while my sleep quality wasn't improved, it might help someone with a better mattress than mine.
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Must have for mattress comfort and protection
Color: Green, Size: Twin, Color: Green, Size: Twin
I ordered the BDEUS Twin mattress topper for a temporary mattress. The topper definitely improves comfort and regulates temperature much better than just the mattress and sheets. The cover fits deep mattress easily fitting over my 13” mattress and could easily fit a much deeper bed. The padding is thick enough to provide some additional support. This model also has a thin sheet of waterproof material to help protect your mattress against spills or liquid damage. This layer is cover by the pillow top and does not seem to make much if any noticeable noise. Overall this is a high quality cover and mattress protector in one. At <$45 at the time of this review it provides an incredible value.
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Reviewed in the United States on May 28, 2026