Join Date: Jul 2004
Location: Minneapolis, MN, USA
Anti-knock sensor...I'm confused
I was perusing a thread from last summer and this was a statement apparently from BMW:
An important part of the BMW-K engine-management system is an integrated anti-knock system, which allows the engine to use a very high (13.0:1) compression ratio for optimum combustion efficiency without the worry of damaging detonation. Two sensors - one positioned between cylinders 1 and 2, the other between 3 and 4 -- detect knock and cause the BMS-K computer to retard ignition timing. As a result, this high-output engine can be run on a variety of fuels without damage; the main difference is the power output, which is greater with high-octane fuel."
I've read various posts stating the LT DOES NOT have knock detect sensors and I can't find anything in Clymers indicating they do have such sensors. Can someone clarify this for me and others that are interested. Thanks!!
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