Actually, the M104 engines from 1993 to 1999 are HFM systems, not LH. Instead of "hot wire", they are "hot film".

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Paul S.

2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".