Leave cap off and rev and hold for a bit to rwmove air bubbles..I was doing it at 2
Check your heat if its hot

__________________
1991 240sx Silvia swap(gave to brother)
1986 200sx turbo(scrapped)
2008 Honda Ruckus GY6(150cc)swap, stretched(sold)
1989 E34 535i(donated to charity)

1989 E34 525i rhd
2001 X5 4.4i sport