King Engine Bearings BMW B58B30A Coated Performance Main Bearing Set - Size STD

King Engine Bearings BMW B58B30A Coated Performance Main Bearing Set - Size STD

Marsoni

M251S

$127.42

Get it in 3 business days with 1 day shipping. Friday, May 29

King Engine Bearings BMW B58B30A Coated Performance Main Bearing Set - Size STDKing Engine Bearings BMW B58B30A Coated Performance Main Bearing Set Size STDThis Part Fits: Year Make Model Submodel 2016 2018 BMW 340i Base 2017 2019 BMW 340i GT xDrive Base 2016 2018 BMW 340i xDrive Base 2017 2020 BMW 440i Base 2017 2020 BMW 440i Gran Coupe Base 2017 2020 BMW 440i xDrive Base 2017 2020 BMW 440i xDrive Gran Coupe Base 2017 2023 BMW 540i Base 2017 2023 BMW 540i xDrive Base 2018 2019 BMW 640i xDrive Gran Turismo Base 2016 2022 BMW

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We offer a 30-day return/exchange service after receiving.
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Unit came completely covered in water. Minimal care taken with this "like-new" unit, had been leaking water into the plastic bag. Even with that, I gave it the benefit of the doubt and still finished setting it up. Within the first 30 seconds it was already reporting an error with one of the brushes. They would barely spin, stop, and fail. Even after thorough cleaning, the error persisted. The unit also struggled to find the home dock even when placed next to it, eventually erroring out as well. Given how many issues this had within 5 minutes of opening the like-new box, I returned this for a refund.

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Reviewed in the United States on May 26, 2026

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Valeria

Fort Morgan, US

★★★★★ 5

Great model, it’s basically new !!

It was basically new. Everything was still sealed and in its original box and packaging. After using it for a few days it I can honestly say it’s been great at keeping the floors clean, I love it!!

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Reviewed in the United States on May 21, 2026

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Amethyst Cam

Dallas, US

★★★★★ 5

Good quality and good value

Size: 2+6+1+12 Pack

this is a great deal and so nice to have on hand. I like being able to just grab replacement parts as needed and not have to place orders for them. It gives peace of mind to know I already have them on hand. much more affordable to buy all at once too

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Reviewed in the United States on June 29, 2025

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Jack J

San Leandro, US

★★★★★ 5

Works well

Size: 1+6+6 Pack

Fit perfect

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Reviewed in the United States on March 11, 2026

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