I don't know. Probably depends on the quality of the flash tune, overall condition of your vehicle and if you maintain it well. Ive had my tune for three years, 30 or 40k miles and my calculated DPF life is still over 100k miles. It already has over 140k miles on it.
The DPF life is extended through proper execution and completion of regeneration cycles at the nominal intervals. A proper and quality flash should not modify that so all things being equal, the answer is 'no'.
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8/2011 X5 xDrive35d Sport, Black Sapphire Metallic, Black Nevada Leather, Fine Burr Walnut Trim
2/2001 M5, Jet Black, Exclusive Complete Black Walk Nappa Point Heritage Leather, Black Cubic Trim
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