Quote:
Originally Posted by csayad
Has anyone bought the BMC drop in filter? I should be taking delivery of my G80 next week. Also if I do get them should I install them after the break in 1200 miles?
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BMCs and removing the charcoal liners were worth about ~10whp on the S55, similar to what you see aftermarket intakes claiming.
We'd expect to see the same from this platform (S58). We've got a shipment coming in early next week, if someone local wants to purchase and dyno - we'd be happy to share results.
IMHO - wait until after 1200 miles, then install since dealers will replace the filters under the service. You won't want them tossing your brand new BMCs.