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Registered User
Join Date: Jun 2019
Posts: 1
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VANOS Solenoid Connection
Hi, Need some help please on VANOS Solenoid connection on a BMW 325i, e90, N52.
I was cleaning up a oil spill and disconnected the plug connections to the VANOS solenoid valve without noticing which plug was for the intake and which for the exhaust. A really basic, stupid mistake however unfortunately both the plugs are identical. Can you please advise which connection the fuel injectors connect to? I believe the top is the intake and the bottom is the exhaust. If possible a photograph would help for now and for future use. Thanking you in advance. Nick |
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06-30-2019, 08:42 PM
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Registered User
Join Date: Aug 2018
Posts: 1
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on my 328i the bottom is the exhaust and you want the plug coming down from the oil filter housing harness the intake connector comes from the passenger side power box harness.
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03-27-2020, 04:17 AM
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Banned
Join Date: Jul 2020
Posts: 4
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Clean the sealing surfaces of the solenoid as well as the block where the solenoid goes into. Don't use cotton, use a strong paper towel and a full pick inside the towel to get the hard to reach spots. Check that there are gaskets on the solenoids. Iirc there are two, a round rubber one and a plastic square one. Shake the solenoids, you should hear the rattling of the valve inside the unit. Then tighten those back in to 9 NM of torque. If you still have issues, read the codes and come back to us.
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07-30-2020, 12:11 PM
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