BMW M54 DISA Housing O-Rings
- O-Ring Selection Guide
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The O-rings on the BMW M54 DISA valve housings are common failure items. O-ring failure can cause lean engine service codes, and poor idle quality. German Auto Solutions offers three grades of replacement O-rings for the DISA valves on BMW M54 engines.
All O-Rings come with a tube of synthetic lube!
Note - The factory O-ring on the M54 DISA valve is molded into the housing, which means that the factory seal needs to be scraped out in order to install our replacement O-ring.
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