Quote:
Originally Posted by pawoSD
Agreed, M103's need cap/rotor/plug repairs all the time. I think I did it twice on mine in 4 years/40k miles 
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With genuine wires I was able to get 5 years. Bosch cap and rotor last about 3 or so years, spark plugs every year. Buying quality ignition parts is a must on these cars otherwise they go bad rather quick.