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How TO Bleed Air On 97 Bmw 740iL After ChanginG thE Thermostat out

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I have the same situation w/ my 2000 740il . On the top of the reservoir their is a bleading screw. Its black plastic with a ( + ) shaped inset. That is the bleading spot. You may have a different resiviour(different year????) Im not sure? It is a very sesitive moter and this is a common problem with them. Dont drive untill its fixed. If you hit the red you will crack a head or two! If its in good shape have it towed to a repair shop.(they have a special tool to bleed them) They tend to trap air even when blead normaly. Its all a big scam , what car has a 150$ thermostat? They got you by the balls, the only safe way is to bring it to a dealership or someone who is specialized on BMW. So if your car is worth anything, have it done right and sadly most mechanics cant.(they dont have t Let alone you or me.

Posted on Apr 30, 2013

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Posted on Jan 02, 2017

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SOURCE: 2001 BMW 740iL is sputtering when I accelarate and shaky when idl

A tune-up and throttle body clean-up is a good idea, but mind you on those cars, the valve covers usually leak into the spark plugs and coils, causing the car to misfire. If you are replacing the plugs and find them soaked in oil; replace your valve cover gaskets or you will be back to the same problem soon after the oil soaks the new plugs back up again.

Posted on Aug 04, 2009

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the thermostat (on bmw replacement parts) have an arrow that has to be installed facing upward.if this was done correctly,to bleed the system usually there is a bleeder screw on or near the expansion tank(where you fill the coolant) and possibly on the thermostat housing. i would recommend opening both bleeders and keep filling the system with coolant closing the lower bleeder first and then allow the rest of the air purge from the other bleeder screw.make sure the coolant stays full and be patient you can't wait TOO long.

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