European Factors to Watch- Flat start expected

LONDON, Sept 1 (Reuters) - Financial spreadbetters expected Britain's FTSE 100 to open 5 to 7 points lower, or 0.1 percent, with Germany's DAX and France's CAC 40 seen opening unchanged to 1 point higher, flat in percentage terms. * BARCLAYS, CAIXABANK - Barclays is selling its Spanish retail and corporate banking operations to Caixabank, the two companies said on Sunday, as the British bank starts shrinking its struggling European divisions as part of a major overhaul. * ILIAD, DEUT