I'm looking to install my own non-JD heater on an '07 620i XUV. I'd rather not splice into the 1" radiator hoses as the heat would be limited in this cold climate (Alaska) and would like to pull from the same location the JD-branded heater does, somewhere in the engine compartment. However, I've yet to find a set of installation instructions to see exactly where the intake and return lines are attached back on the engine and you can imagine how much help the dealer is. It looks like the OEM has a pair of 5/8" heater hoses that run to the engine compartment and likely splice in upstream from the thermostat housing. Does anyone have the directions, or, happen to know what the recommended connections are there? There's a special fitting noted as well, though I'm not sure where that fits in. Thanks in advance for any help!
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