BMC Filter vs K&N Filter?
02-27-2018, 01:25 PM
#6
Member
I used to run aftermarket filters in my previous cars. I stopped after seeing oil analyses from cars with stock filters vs. aftermarket oil-impregnated cloth filters, like K&N and BMC. The amount of silicates in the oil was much higher. High enough to be a problem? No idea, but the minor performance gains weren’t worth it, to me.
02-27-2018, 03:03 PM
#7
MBWorld Fanatic!
Join Date: Jun 2014
Location: IL
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19 E63s, 23 M3 compX, B9 SQ5
I used to run aftermarket filters in my previous cars. I stopped after seeing oil analyses from cars with stock filters vs. aftermarket oil-impregnated cloth filters, like K&N and BMC. The amount of silicates in the oil was much higher. High enough to be a problem? No idea, but the minor performance gains weren’t worth it, to me.
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02-28-2018, 05:35 PM
#10
Super Member
11-14-2018, 02:45 PM
#12
Super Member
Interesting test showing about 3% increase in HP for K&N filter's over stock.
On a C63S, that would be about 15hp!
On a C63S, that would be about 15hp!
