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Master Series M6.3.1

Marsoni M251S
Sale price$1048.50
Pay 4 payments of $262.12 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Master Series M6.3.1In Store Pick Up Only Highlights 3 way component set for ACTIVE crossovers M6 Details 6. 7" (170. 6 mm) Mid woofer Custom tooled cast frame with open design minimizes reflections to cone 2" (51mm) voice coil for extreme power handling and motor force Patented split gap motor with multiple copper shorting rings for extended response and world class dynamics and impact Industry leading + 8. 7mm of linear excursion Thermo fused woven polyolefin cone for
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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]
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4.6 ★★★★★
Based on 2499 reviews
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RichD
Pawtucket, US
★★★★★ 5
OEM quality
BMW dealer wanted $300 to replace the cabin filters. Watched a 5 minute video and ordered these up. Look identical to OEM and easiest cabin filters I've installed. Save yourself a ton of money and install these yourself. BMW quality without the BMW price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 26, 2025
D
Verified Purchase
Dmytro Sushynskyi
Birmingham, US
★★★★★ 5
Great filter!
Excellent filter! Fits my 2017 BMW X5 f15. Eliminates all external odors from the street.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 23, 2025
S
Verified Purchase
Shahida M Parveen
Battle Creek, US
★★★★★ 4
Fits bmw x5 35i 2015
Installation was pretty easy. Works as designed. Will update.
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Reviewed in the United States on July 16, 2023
M
Verified Purchase
MLG
Phoenix, US
★★★★★ 5
Great price
I love Mann filters. Great for the price and great quality. I was surprised how cheap they were ( my car takes 2 filters and two come in the box). They fit like a glove and now I am enjoying fresh air
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
E
Verified Purchase
Erik Pontes
West Palm Beach, US
★★★★★ 5
Can’t beat MANN quality
Bought to replace the filters on my 2015 bmw x5 as there was a musty smell from ac. Old filters were another junk company that fit very loosely. I was impressed by the quality and how secure the MANN filters locked into the housing; musty smell all gone now! Easy 10min replacement job, comes with VERY detailed instructions for the less mechanically inclined
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Reviewed in the United States on April 12, 2024

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