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What H4 bulbs do you recommend to replace the ones fitted in my VW T6 .
The Autoexpress headlight bulb test is generally won by the latest Philips upgrade bulbs. The current ones are Racing Vision, but they don't, apparently, last as long as slightly less s****y bulbs.
https://www.autoexpress.co.uk/accessories-tyres/76760/best-car-headlight-bulbs-2018
If you're a lawless rebel with money to burn, the Philips LED H4 seems to get stellar reviews, but is technically not road legal, though apparently it has the same beam pattern as a halogen in the same housing, just significantly brighter. Very expensive, but there's a 15% discount code at the top of the page and claimed to last up to 12 years:
https://www.powerbulbs.com/product/philips-x-treme-ultinon-led-headlamp-h4
I think someone posted about the T6 base headlight recently and the consensus seemed to be that they were poor.
Beware the VW fittings. If they are anything like our two you won't get anything other than a standand sized H4 in as they mount from the back not the front.
Fitted these in my Vivaro van and they seem a lot better than standard. Just orderd some Lucas H7 for my car.