BMC Air Filter - Alfa Romeo Stelvio Forum
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post #1 of 9 (permalink) Old 05-14-2019, 10:03 PM Thread Starter
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BMC Air Filter

Has anyone installed one of these on a Stelvio QF? If so, does it make any difference in performance?
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post #2 of 9 (permalink) Old 05-14-2019, 10:35 PM
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I have one and it's collecting dust in my garage. I keep forgetting to bring it into the dealer to replace. It's shockingly extremely hard to change the air filter on a Stelvio QV. It's way easier on a giulia QV because of clearances. There must me some trick to do it but I haven't figured it out yet.

I believe @Jay-Ten has it installed.
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post #3 of 9 (permalink) Old 05-15-2019, 12:06 AM Thread Starter
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It’s funny you should say that. Just decided to take it to my speed shop to have it installed. Couldn’t get past removing the cover. The claim is 7mm bolts but not so, tried 7mm, not snug enough, 8mm to large and 6mm to small.
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post #4 of 9 (permalink) Old 05-15-2019, 04:27 AM
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I have to install mine these days... but I am with JTD meaning diesel Stelvio :-)


Will do some logs of before (original filter) vs. after (BMC) to see if there will be any differences

Stelvio 2.2 Q4, Alfa 147 QVD 300+hp , Alfa Crosswagon Q4 edizione Nero, Alfa 159 TI QVD, Alfa 159 2.4 QVD, Fiat 500 X rosso
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post #5 of 9 (permalink) Old 05-15-2019, 08:46 AM
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IMO a waste of money unless you want a semi perceptible rise in throttle noise at higher rpm.

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post #6 of 9 (permalink) Old 05-15-2019, 09:15 AM
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Quote:
Originally Posted by Wifesstelvio View Post
Its funny you should say that. Just decided to take it to my speed shop to have it installed. Couldnt get past removing the cover. The claim is 7mm bolts but not so, tried 7mm, not snug enough, 8mm to large and 6mm to small.
I got a little further, the intake inlets connect to a redirect for the airflow, essentially the airfilter cover, I just couldn't remove that last piece. I gave up after an hr or so, didn't want to break anything lol
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post #7 of 9 (permalink) Old 05-15-2019, 02:10 PM
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I do have it installed but don't really see any difference. I'm with NM-QV here, probably was a waste of money.
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post #8 of 9 (permalink) Old 05-16-2019, 08:24 PM Thread Starter
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For $78 I like it and speed shop had it installed in 10 minutes N/C. It’s actually less expensive than the OEM?
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post #9 of 9 (permalink) Old 05-16-2019, 11:17 PM
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Quote:
Originally Posted by Wifesstelvio View Post
It’s funny you should say that. Just decided to take it to my speed shop to have it installed. Couldn’t get past removing the cover. The claim is 7mm bolts but not so, tried 7mm, not snug enough, 8mm to large and 6mm to small.

Found my project for tomorrow...sounds like the American overlords sent standard fasteners to Italy. Makes sense....we Americans do seem to hate the metric system like a personal insult.... They probably told Alfa the fasteners are 7mm but don't check...just use 'em...trust us.

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