Hi All,

Ever since I've owned the car I've noticed that there's a hole on top of the air filter cover. It has grommet on it. What is it for? Is it supposed to be plugged? I'm wondering since it lets air into the air mass flow meter by bypassing the filter...


thanks,

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sjsfiji

'87 W124 260E (DD)
98K orig. mi. @7/15
CLK 7-Spoke Forged Wheels
Neuspeed springs/Bilstein Sport
4/3 bump (F/R)

'97 993 Carrera
106K orig. mi.
Always driven like it's stolen