greencode said:
Looking into one of these myself at the moment (due to my car stuck at the top of the drive with no power to start!!) but as the leads are very short what can you connect the negative cable to that's close to the positive under the bonnet?
The pos and neg studs are not that fat apart. :?
https://www.google.co.uk/search?q=earth+connection+bmw+z4+bonnet&tbm=isch&imgil=TMgeV9aFGqufsM%253A%253By1PRO1gWxuuFlM%253Bhttp%25253A%25252F%25252Fwww.pelicanparts.com%25252Ftecharticles%25252FBMW_Z4M%25252F16-BASICS-Battery_Connection_Notes_and_Replacement%25252F16-BASICS-Battery_Connection_Notes_and_Replacement.htm&source=iu&pf=m&fir=TMgeV9aFGqufsM%253A%252Cy1PRO1gWxuuFlM%252C_&usg=__DXZaFFgHMYHHhSabIBGZKp9j_gg%3D&biw=1273&bih=858&ved=0ahUKEwig-Imq6bTPAhWKLMAKHZVfCnkQyjcIKQ&ei=8SntV-C7I4rZgAaVv6nIBw#imgrc=TMgeV9aFGqufsM%3A