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N54 Rear Turbo Types
If you have an BMW N54 engine and would like to upgrade your turbos, you probably know it’s got a pair of turbos – front and rear, however, what you might not be aware, is that BMW has actually made two versions of rear turbos on N54 that are slightly different depending on the region you buy your vehicle from. Arashi calls the different rear turbos Rear and Rear 2. You distinguish them by the set up of its compressor housing and actuator. Actuator locations are different among the two versions of rear turbos. Before purchasing N54 upgraded turbos from us please specify which rear turbo do you have from factory, consult with us if you do not know how to distinguish them.
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