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7 Series - E65 / E66 (2002 - 2008)
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  #1  
Old 12-27-2014, 04:58 AM
indnzaus indnzaus is offline
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Angry Airconditioner compressor cuts off when the vehicle is accelerated suddenly

Pls note my 735 LI air conditioner cuts off when the vehicle is accelerated suddenly on highways at high speeds. It takes about 5 minutes for the compressor to click in once the speed is reduced. Pls advise your thoughts about this issue.
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  #2  
Old 12-27-2014, 08:06 AM
FR4NK FR4NK is offline
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Mein Auto: 2008 E65
Thats how its designed to work. Under wot the car turns off the compressor to maximize the power to the wheels.
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Old 12-30-2014, 10:38 AM
indnzaus indnzaus is offline
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Thanks for the response. Can you please explain why it takes about 5 minutes for the compressor to kick in again. The cabin becomes very warm by then and it is very uncomfortable and pulling down the window is not an option at high speed. Pls advise.
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Old 12-30-2014, 01:49 PM
AbsoluteBMW AbsoluteBMW is offline
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Could be low on freon. Get a set of gauges and check your pressure at idle and then again at about 1500 RPM.
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Old 02-16-2015, 09:45 PM
indnzaus indnzaus is offline
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Thanks for the advise. The pressure seems to be alright. The chemical like smell in the cabin is escalating. My mechanic days there is no leak in AC gas. Any suggestions pls.
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Old 02-17-2015, 08:26 AM
AbsoluteBMW AbsoluteBMW is offline
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if your having a chemical smell inside the cabin its hard to say. I would say you have a leak on your evaporator core, what are your pressures at idle and at 1500 rpm?
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  #7  
Old 02-17-2015, 01:44 PM
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csmeance csmeance is offline
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check the charging state of your battery. If the battery is low, it limits the fan speed and A/C operation
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Old 02-18-2015, 10:40 PM
indnzaus indnzaus is offline
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Tks for the response. I hv asked my mechanic to check the pressure in idling and 1500 rpm. Wl get back to u soon - tks

Battery is in good shape - never had a problem
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Old 02-19-2015, 09:06 AM
Motronic Motronic is offline
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Quote:
Originally Posted by indnzaus View Post
Tks for the response. I hv asked my mechanic to check the pressure in idling and 1500 rpm. Wl get back to u soon - tks

Battery is in good shape - never had a problem

Did you check aux fan?
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  #10  
Old 02-20-2015, 01:38 AM
indnzaus indnzaus is offline
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Will check n revert. Thanks.

Best Regards,
Krish
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