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      11-11-2018, 05:53 AM   #6
Efthreeoh
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Drives: The E90 + Z4 Coupe & Z3 R'ster
Join Date: May 2012
Location: Virginia

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If it's one of the hoses coming off the heater core (next to the steering column) then it either of the two hoses in the schematic from realOEM.com below. If it's not one of those hoses, then it's either not a cooling system hose, or it is the hose that comes over from the T-stat with the plastic pipe that sits atop the engine crossmemeber (Item 3 circled in your pic). That hose turns 90 deg. and connects to hose Item 2 in the schematic along the driver's side frame rail under the airbox. Item 1 hose in the schematic below connects to the upper radiator hose.

If you found the hose nicked when the airbox was out, then its either hose Item 2 P/N 64216951946, or P/N 17127548223, Item 23 from the schematic on the right. Maybe you need to post a pic of the nicked hose, so I can better diagnose which one it is.
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A manual transmission can be set to "comfort", "sport", and "track" modes simply by the technique and speed at which you shift it; it doesn't need "modes", modes are for manumatics that try to behave like a real 3-pedal manual transmission. If you can money-shift it, it's a manual transmission. "Yeah, but NO ONE puts an automatic trans shift knob on a manual transmission."

Last edited by Efthreeoh; 11-11-2018 at 06:09 AM..
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