Welcome to justanswer.
My name is XXXXX XXXXX it will be my pleasure to assist you tonight.
Any parts store long life coolant is fine to use. You do not need to spend the extra on the BMW product, or make a special trip to the dealer.
I hope that I have been helpful. Please let me know if I can answer anything further, or clarify anything for you.
If satisfied with my assistance, please press the green ACCEPT button so that I may be credited for providing assistance to you today. I will not receive any credit or compensation until the green ACCEPT button is clicked.
Many thanks, XXXXX XXXXX luck with your 330.
Yes the 50/50 is the correct one. The peak one will be fine for you, just pour it in.
Please let me know if you have any further questions.
Please do not forget to click the green ACCEPT button if satisfied with my assistance.