6Post.com | BMW 6-Series Forum - View Single Post - Strange whirring noise near headlight on lock/unlock

Qsilver7 · 01-21-2020, 02:31 PM

Do you think you can rule out the aux electric pump for the turbos & the electric pump for the charge air cooling system? This cooling system is in addition to the engine cooling system which uses a mechanical (belt driven) pump. The turbos use #3 in the illustration below...and the charge air coolers and engine ECUs are facilitated by G in the illustration below...and can run up to 30 minutes after the car shuts down.

I mention it because it in the vicinity of the right headlight...not directly behind it but if we're talking about sound coming from the engine bay...this would be near the right front headlight:

01-21-2020, 02:31 PM	#2
Qsilver7 Major General 4451 Rep 7,489 Posts Drives: F06 650ix GC / F15 X5 50i Join Date: Oct 2016 Location: Indiana, USA iTrader: (0)	Do you think you can rule out the aux electric pump for the turbos & the electric pump for the charge air cooling system? This cooling system is in addition to the engine cooling system which uses a mechanical (belt driven) pump. The turbos use #3 in the illustration below...and the charge air coolers and engine ECUs are facilitated by G in the illustration below...and can run up to 30 minutes after the car shuts down. I mention it because it in the vicinity of the right headlight...not directly behind it but if we're talking about sound coming from the engine bay...this would be near the right front headlight: Attached Images __________________ 2015 F06 650ix Gran Coupe`(Moonstone/Cohiba Brown)\| 2014 F15 X5 50i MSport (Space Gray/Mocha) Become a BMW CCA member! Click HERE to join and feel free to use my BMW CCA member #191509 as a referral. Last edited by Qsilver7; 01-21-2020 at 02:44 PM..
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