ARP connecting rod bolts for BMW M3 E46 1st generation (S54B32 M11 x 47 mm) Please check the diameter of your bolts (M10 or M11) - 201-6103
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ARP connecting rod bolts for the BMW M3 E46 1st generation (S54B32 M11 x 47 mm). Please check the diameter of your bolts (M10 or M11), part number 201-6103. The bolt is the weak point of a connecting rod, and these replace the stock ones with others that have much higher fatigue resistance.
ARP recommends installing them by checking the stretch, between 0.0075 and 0.0080 inches, with a reference torque of 70 lb-ft (about 95 Nm) using their lubricant. It is advisable to measure the stretch of each bolt and replace it if it has been permanently stretched by more than one thousandth of an inch.
Tighten following ARP's sequence and values and using their assembly lubricant, because the torque settings they indicate are designed for it. If you have questions about whether this is the correct part number for your engine, write to us with your engine code and year.