Just been onto
http://www.powerbulbs.com/bulb_finder.asp
And these are the light bulbs you'll need. Click on each link and that will give a selection of the bulbs on offer.
Make:
FORD
Model:
FOCUS C-MAX
Year:
03 onwards
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Dipped/Low Beam: H7 (499)
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Main/High Beam: H1 (448)
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Side/Parking Lamp: W5W (501)
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Front Fog Lamp: H1 (448)
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Front Indicator: PY21W
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Tail Lamp: P21/4W
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Rear Fog Lamp: P21/4W
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Reversing Lamp: P21W
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Rear Indicator: PY21W
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Stop/Tail Lamp: P21W
I will be upgrading mine shortly. I know it seems a bit mad doing it now the nights are starting to shorter, but hey better late than never.