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UPDATE 2-European shares tumble as Turkish turmoil hits banks

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* STOXX down 1.1 percent * Banks BBVA, UniCredit down on Turkish worries * Profit warning hammers K+S (Adds closing prices, chip makers) MILAN, Aug 10 (Reuters) - European shares fell on Friday as a dramatic fall in the Turkish lira jolted markets, with banks such as Spain's BBVA and Italy's UniCredit hit by worries over their exposure to Turkey. The pan-European STOXX 600 index closed down 1.1, losing 0.9 percent on the week, as investors fretted about the political and economic repercussions of the Turkish crisis. The Turkish lira fell to record lows as concerns over a widening rift with the United States persisted after a Turkish delegation returned from talks in Washington with no apparent