2010 bmw528i will not start shows break light despite new breaks and fluid and shows a sign with the car tilted

try bleeding lines, that can happen with air bubble in check valve, some check valves have a bleeder on them, if not set emergency break on rear it will push fluid back to master cyclinder, for front wheels collapes calipers to push fluid back. first look at mater cyclinder if tilted up you may need to lift front or back to level cyclinder before starting. Have used a baby nose cleaner to remove air bubble from master cyclinder be sure engage break padel when pulling fluid from master cyclinder

Have the codes read. For the speedo, most likely the output speed sensor on the transmission. Check the brake fluid for the light

their are two brake lights one for e-brake on and the other is main brake system to alert you to low fluid in master cylinder --you have a leak somewhere look under vehicle for fluid by tires on ground even if you put fluid in master you still wont have brakes do to air in lines and until leak repair

You need a specil tool to bleed the ABS control unit.

Could be be have somebody to check you break switch wich is located on must of the car at the break pedal assy.

Good to hear you got it fixed.

Audi have sensor contacts in the break shoes, and when the shoes wear to the service point it earths the system and the warning light comes on.Also you should check the fluid level in the brake fluid resovior.

No there is a brake switch to turn on the brake lights when you step on the brake pedal. It is located near the rake pedal under the dash. It has more then likely failed.

I it is usually the brake shoe adjusters at the rear.

Auto adjust type:
To adjust them you can hold your foot hard down on the brake pedal and wrech up the park brake lever a few times

Manual adjust
Drums off and wind the adjuster cog to increase the diametre of the shoes, don't get carried away thow or the drum wont go back on

Regards

Lloyd