An essential component for enthusiasts converting their BMW N54 engine to a single turbo configuration.
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BMW 135i Engine Cooling Block Off Plates
This billet aluminum flange allows for a clean and secure deletion of the factory upper coolant line, which is often redundant or obstructive when moving away from stock-frame turbochargers.
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The gold standard for builders who demand a factory-fit finish on their high-performance engine projects.
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