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3.5 Bar sensor harness. Used as an upgrade for the cars running the 20PSI sensor.
Use these plug and play adapters to quickly adapt a 3.5 BAR TMAP sensor to your N54, N55 and N63, raising the boost maximum boost range from 20psi factory up to 36psi for the 3.5bar. For most applications the 3.5 BAR adapter is suggested which requires OEM BMW sensor add-on
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