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Old 01-08-2013, 10:52 AM   #13
Ginger th wonder dog
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Joined: Feb 2004
Location: The woods and mountains of Alabama
Oddometer: 10,591
Originally Posted by MotorradMike View Post
The OP has an '09 bike.

Some of the responses in this thread are about older bikes, including one with a friggin' carburetor.
Best leave the older BMW boxers out of it as they assume air mass by measuring throttle plate angle.
Apparently, that has been improved upon.
Mike, While my comments included an engine with a carburetor, the example was intended to show that oiled air filters can cause problems and pass more dirt than the OE filter. As for the newer BMW boxer engine management, they still run lean to please the EPA.
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