BMW 7 Series - Tech Talk For All Gen Of 7 Series
Hi everybody. I tried to make the title as descriptive as possible.
I hope I am posing in the right place!
I am a newbie to this forum, but I have owned my '99 E38 728i Sport for 10 years and I love it like an old friend.
It has 125k miles on the clock and generally runs smoothly.
Oil has always...