C70 L5-2.4L Turbo VIN 63 B5244T7 (2003)
5.
Place the test tube in hot tap water for 5 minutes.
(A coffee cup full of tap water which has been microwaved for 2 minutes is suitable.)
6.
Unscrew the cap and add one packet of reagent C (purple powder) to the test tube.
7.
Screw on the cap & shake the tube until all the powder has dissolved.
8.
Place the test tube in hot tap water for 20 minutes.