Getting ready to service the Z4 and found these codes are still valid!
Euro car parts: EURO10 ( codes advertised are only for 5% off but sat for 5 mins going through all the combinations and found this one )
Used this site to buy 2 4l Castrol Titanium FST 0w30 LL04 bottles
GSF: GSF35
Used this site to buy 6 NGK 1208 spark plugs and a Mann air filter
Doddsy
Euro car parts: EURO10 ( codes advertised are only for 5% off but sat for 5 mins going through all the combinations and found this one )
Used this site to buy 2 4l Castrol Titanium FST 0w30 LL04 bottles
GSF: GSF35
Used this site to buy 6 NGK 1208 spark plugs and a Mann air filter
Doddsy
