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      09-14-2021, 01:26 AM   #1
ara544@aol.com
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Exclamation boost solenoid

I was recently driving on the freeway and got the drive train malfunction message. i got home and plugged in and the code says i need to change the boost solenoids. Can anyone shed some light on where the boost solenoid is on the 2013 M5?
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      09-14-2021, 02:37 AM   #2
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2014 BMW M6 GC  [0.00]
Functional description
The blow-off valve prevents ”pumping” against the closed throttle valve, thus improving engine acoustics. In addition, the blow-off valve protects the exhaust turbocharger against damage. Another effect: the exhaust turbocharger reacts quickly when the throttle valve is opened again. Without the blow-off valve, the exhaust turbocharger would work against the ram pressure of the closed throttle valve and become slower. On opening the throttle valve, the exhaust turbocharger would react with a delay.
The engine control activates the blow-off valve. The blow-off valve has the positions: open and closed (no intermediate positions).

See the attached word document.
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      09-15-2021, 02:53 PM   #3
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Quote:
Originally Posted by ara544@aol.com View Post
I was recently driving on the freeway and got the drive train malfunction message. i got home and plugged in and the code says i need to change the boost solenoids. Can anyone shed some light on where the boost solenoid is on the 2013 M5?
Behind/under the chargecooler on right hand side of car.
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      11-13-2022, 02:21 AM   #4
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Quote:
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Quote:
Originally Posted by ara544@aol.com View Post
I was recently driving on the freeway and got the drive train malfunction message. i got home and plugged in and the code says i need to change the boost solenoids. Can anyone shed some light on where the boost solenoid is on the 2013 M5?
Behind/under the chargecooler on right hand side of car.
Does the charge cooler need to be removed to change them out?
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      12-06-2022, 01:48 PM   #5
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Here’s a diagram for the vacuum lines including the 2 boost solenoid. Easiest way is to probably just follow the lines from the turbo waste gates to the solenoids to locate them.

https://www.realoem.com/bmw/enUS/sho...diagId=11_5038
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