Just thought to share these LED sidelight bulbs with you. They work fine on my V6 so should be OK on other S types.
They are very bight white light. Not the orange look. These are W5W type bulb fitments. Easy replacement job under the bonnet.

http://m.ebay.co.uk/itm/2-SMD-STRONG-CANBUS-FUNCTION-501-T10-W5W-WHITE-ERROR-FREE-SIDE-LIGHT-BULBS-/271083624279?txnId=1793854812017