BMW E39 540i Performance Flash 96-2003

$279.99

The Midnight Tuning Solutions performance flash tunes the computer for a approximate gains across the entire power band as well as a smoother ride and improved MPGs. Adding a performance flash is still the easiest, most cost effective way of increasing your BMW’s performance with NO downsides.  91 octane fuel is required. Your DME/ecu requires a FLASH not a Standard replaceable chip so you must ship your DME/ECU to us.

91 Octane Required
New Rev limit :

Power increase +8hp
Power increase +12tq

Stage 2 – 93-94octane

Premium 93-94 octane fuel is required

New Rev limit :
Power increase +14hp
Power increase +18tq

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Your DME/ecu requires a FLASH not a Standard replaceable chip so you must ship your DME/ECU to us.

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