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The E39 540i remains a well-regarded platform for BMW enthusiasts
Designed with a larger piping diameter and smooth bends
Application-specific mounting bracket
Race-spec high-durometer polyurethane for maximum geometry correction on Evo X
This head gasket is thicker than your standard head gasket to both raise your compression ratio
GrimmSpeed Alternator Cover Black - Subaru Models (inc. 2002-2021 WRX / STI) PDM_throttle-bodies The E39 540i remains aGrimmSpeed Alternator Cover (Black), 2002 2021 Subaru WRX STI The GrimmSpeed Alternator Cover in black for the 2002 2021 Subaru WRX STI covers the alternator housing for a cleaner engine bay appearance. The factory area here is bare or generic, the GrimmSpeed cover adds a finished, branded element. DETAILS Color: Black Covers: the alternator housing Direct bolt on installation Fitment: 2002 2021 Subaru WRX STI The GrimmSpeed alternator cover addresses