BMW M6 Center Diffuser

Marsoni

M251S

$349.50

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

BMW M6 Center DiffuserThis carbon fiber center diffuser is the perfect piece for our BMW F06, F12, F13 M6 customers that want a modest looking diffuser without going overboard. This diffuser only replaces the center section with a new CF version that has some stylish fins incorporated into it. In addition to it fitting all 2012 2019 M6 models it also fits the 640i and 650i M sport 6 series models. However, the 6 series owners will need to use our carbon fiber outer

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So nice quality but strange dimensions. There is no way to fold a standard 8.5x11" sheet of computer paper to fit neatly in this. So if you want to print out your own documents to take with you in this, this isn't ideal. Has 2 internal pen slots and one on the outside. Has two business card slots but I wish it had more.

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Reviewed in the United States on January 21, 2026

Verified Purchase

Runner Chick

Draper, US

★★★★★ 5

Pen Holder is Very Narrow

Style: COVER

Overall this item is effective for holding a Rite in the Rain 4.625" x 7" spiral side-bound notebook. There is no zipper on this so it does not seal. It has slots for a few cards and folded or smaller items can be tucked behind the notebook in the pockets that hold the covers. I haven't used it in the rain enough yet to know if those papers I have tucked in will stay dry. The description says a cell phone could be stored in those pockets as well. I haven't tried this, but my cell phone with a cover wouldn't fit. If you have a thin cell phone it might work, but I prefer to put both covers slid into the pockets so the notebook stays open easier when using it. The outer elastic closure is tight enough without being too tight. However, the pen holders are quite tight and small. They likely work well to hold in the Rite in the Rain pen that is narrow and smooth and possibly a narrow and smooth mechanical pencil, but they are too tight for my side click mechanical pencil. I could barely slide it in and when I tried to pull it out, the top half pulled off the bottom half of the pencil. It would also be a struggle to put larger pens in and out, but the elastic might stretch to fit those that are smooth over time. Despite not being able to use the loops for my preferred pencil, I chose to keep it.

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Reviewed in the United States on November 23, 2025

Verified Purchase

MAK

Dallas, US

★★★★★ 5

Just what I was wanting

Style: KIT

Ordered to use a a gym notebook to track my progress. It’s holding up well being exposed to being shoved in a cramped gym bag repeatedly over the last 2 months. Sweat and water hasn’t hurt it and the cover seems to be holding up well. Still looks practically brand new.

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Reviewed in the United States on November 5, 2025

Verified Purchase

a plant nursery

Houston, US

★★★★★ 5

Good notebook kit

Style: KIT

Good little notebook, I use it in the field(plant nursery) daily. The pencil is ok, just a little thick…pause. But other than that, recommend.

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Reviewed in the United States on November 6, 2025