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Dealership-grade cabin air filters are worth every penny. Gains in hp AND mpg.
It is not a 30 second procedure like my Honda's, but is still easy and should not take more than 5 minutes
It was $100 for the BMW cabin filter. After 20 min of trying to squeeze in to do it, I would say, that $90 was worth it for the cabin air filter.
Have had my 2015 535i X drive for 3 months now and I love it. Was looking at B58 for a while, and decided to go with the one I have now because it had 80k miles, was in great shape and had good maintenance records.
engine and cabin air filters (Honda)
BMW M240i - it got an oil change, and a cabin filter. Continues to plug along just fine.
the cabin air filter from Honda is a flimsy low-quality part best to get one with a carbon coating. the engine air filter from honda is ok but [rockauto.com](http://rockauto.com) sells the oem equivalent and better.
I've had to replace the cabin filter 2-3 times because of this problem. At first the smell would go away after replacing the filter, but eventually returns, usually when spring rolls around.
I changed the micro filter, cabin filter, etc.. The smell seems to be strongest with heat set to 78 and when I am slowing down or coming to a stop and the auto engine shut off turns on and off.
Production markings on the side of the filter as shown in the pics above indicate that this is a BMW OEM part. I can’t imagine that Halfords would be installing genuine BMW filters. There’s no way that they changed this.
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We compare cabin filter across these categories:
In March 2026 on PartReview, cabin filter OEM Honda were overall better than OEM BMW.
In March 2026 on PartReview, cabin filter OEM Honda were overall more popular than OEM BMW.
By vote balance, cabin filter OEM Honda surpassed OEM BMW:
By number of reviews, cabin filter OEM Honda surpassed OEM BMW:
In March 2026, according to PartReview, cabin filter OEM Honda and OEM BMW have not taken top places in car-specific ratings. You can help by adding your review about these manufacturers.
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For example, comparisons of cabin filter OEM Honda with: Mann, K&N, Fram, Tesla, Bosch, OEM Volkswagen, Wix, OEM FORD, OEM Mazda, OEM Toyota.
Also available: comparisons of cabin filter OEM BMW with: Mann, K&N, Fram, Tesla, Bosch, OEM Volkswagen, Wix, OEM FORD, OEM Mazda, OEM Toyota.
You can also see who is better among other cabin filter manufacturers: Mann or K&N, Mann or Fram, Fram or K&N, Tesla or Mann, Tesla or K&N.