N54 Boost Solenoid Valve DIY - BMW E90 335i E60 535i E82 135i

Get your solenoids at: https://oembimmerparts.com/products/b... The N54 turbocharged engine uses vacuum solenoids to control the waste gates on the turbo. They go bad over time and will be unable to open fully and this will cause the following codes: 30FE: DME: Turbocharger, Boost Pressure Too High 3100: DME: Boost-Pressure Control, Deactivation Replacing the valves will solve the problem. It's a real easy DIY. In this video you will also see how to test them to determine which one is bad so you can just change the bad one if you need to, but I recommend replacing both. 00:00:00 Intro 00:01:04 Overview on the malfunctioning boost solenoid valves 00:02:35 Setting up to test the bank 2 valve 00:03:57 OEMBimmerParts 00:04:32 Testing the bank 2 valve 00:05:00 Setting up to test the bank 1 valve 00:05:29 Testing the bank 1 valve 00:05:55 Explanation of the test results 00:06:18 Replacing the valves 00:06:45 Removing the vacuum canisters 00:10:05 Removing the coolant reservoir 00:10:53 Replacing the bank 1 boost solenoid 00:13:48 Replacing the bank 2 boost solenoid 00:15:03 Reinstalling the coolant reservoir 00:15:37 Reinstalling the vacuum canisters 00:17:52 Repeating the test on the new valves 00:18:58 Results & concluding thoughts This video is for entertainment purposes only. 50sKid assumes no liability for any repairs or modifications performed by the viewer as a result of the information contained in this video.