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piston engine 103 x 104
May I use a new set of pistons from engine 104 (E320) 89.9mm to replace the old one in a 103 engine (300E) 89.5mm? Are the connecting rods the same? Thanks
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I'm going to say No..the combustion chambers are undoubtedly very different.so you'll need 103 pistons.
Rods look to be the same on quite a few M104's, namely.980/1 & 990/1/2/4/5 Jonathan |
Jonathan is right, they do not interchange. The 103 is a 2 valve engine and has 2 valve pockets cut into the pistons. The 104 pistons will have 4 smaller valve pockets cut into the piston, hence the lack of interchangablity.
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