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BMW N54 Diverter Valve Removal & O-Ring Cleaning

Taking apart and cleaning the stock diverter valves and O-rings on a BMW N54, with an eye on possible boost leaks and oil buildup.

335i / 135i / 535i · N54Jul 25, 20207,870 views
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What you’ll see in this one

Boost plumbing has a lot of joints and seals. This clip is a close look at two of them.

A closer look at this job

The stock N54 diverter valves and their O-rings are the subject of this video. It looks at removal and cleaning in the context of boost-plumbing concerns and oil buildup. If you're tracking down a boost leak, this is a close view of a possible inspection area, not a complete pressure-test procedure.

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BMW N54 diverter valve O rings335i stock diverter cleaningN54 recirculation valveBMW N54 boost leak checkturbo diverter valve seals

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