what is the float looking thing that you can see wehn you take off the coolant expansion tank cap ??? it looks like a float switch maybe ??? 328xi

haha you guys are holding out on me ,... does anyone know what weight oil... 0W30 or what ,,,,,,

0W30 ??? also do u know what BMW uses as factory fill ??

i live near there too are you still active on this website im a new member just wondering

i just purchased a new 328XI and was wondering if anyone knew what is the factory fill for engine oil i am assuming factory fill is full synthetic and if so whats a good oil to top off with mobil 1 ...

HI, name is Steve I am a new member near Towson Maryland just purchased a new 328XI would like to talk to any members living near towson, ruxton, timonium or baltimore area . I have a lot of general...