hi all,ive just joined the site,just wondered if anyone knows a company that can fix my speedo fault.since having a 2010 headlight upgrade speedo reads 10 mph slow and sticks sometimes, i have an 07 sport,also the suspension light came on the other day when i hit 100mph on an autobahn,since then the height adjustment dont work until you turn the car off then on again,then a couple of mins later the light re apears,regards eddie