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Old 09-27-2010, 10:05 AM
funfunfer funfunfer is offline
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Location: Montgomery, TX
Join Date: Jan 2007
Posts: 35
Mein Auto: 91 M5, 88 M5, 97 Exploder
Originally Posted by gtopaul View Post
It should affect the quality of the idle if you pull the dipstick or take the oil cap off. It's the loss of vacuum which affects it this way. A good indicator in that it has good vacuum until you do that. The 88 M5 doesn't have self leveling in the back. The fuel smell on start up is fairly normal although you'll want to check for dried out rubber gas lines which can seep gas, also normal for the age of the car. Check lights are just that, check for lights out and low coolant level. If it hasn't been kept up with 248k miles on it it's going to be due for a lot of work. Parts are expensive. If you have to rely on a mechanic let someone else have the pride of ownership otherwise you'll become your mechanics best friend.
My 88 M5 had self leveling suspension. Standard procedure is to replace that with 535 shocks and springs when it fails.

Amen to the "if you have to rely on a mechanic" comment. There is a whole world of information and support for these great cars, but at 248k miles, yours will probably need plenty of work. Great if you enjoy doing the work yourself. Painful if you need to pay someone to do it.

Rust is the biggest issue. Run from a rusty car. (ask me how I know)
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