how easy is it to change the spark plugs on a bmw 523i e39 ?
is it a diy job or am i best just leaving it to the pro's .Also need to change fuel filter how easy are they???????
Spark plug should be easy enough for average home mechanic. Just don't strip the aluminum block - use the anti-seize and torque wrench!!! I would also spray Wd40 into the spark plug whole and let it sit for a minute before taking them out. I would
