Read the codes and got an E-10 error.

After battery disconnection overnight, I am now seeing a different fault. The orange warning triangle, the red P, red ! and yellow ABS.

The brake pedal feels low too. Brake fluid level is fine though.

Any clue?

__________________
2003 E53 X5 4.4 iA Sport M62 Europe (7/03 build date) Black Saphire Metallic
1977 Type 2 VW Westfalia Helsinki 2 Litre Beige and White