PWR ADR™ series rods. Extra heavy duty for high boost and/or nitrous.
Molnar Technologies H Beam BMW rods are machined from billet 4340 steel, and then heat treated to provide improved strength. To make the rods even stronger, they are shot peened to which also increases fatigue life. All Molnar BMW connecting rods are fitted with highly durable premium bronze bushings for use with floating pin type pistons. Each rod set for the BMW M52 M54 and S54 series engines includes ARP fasteners, lubricant and installation guidelines.
All Molnar M52 B32, M54 B30, and S54 B32 rods are finished in the United States at the Molnar Technologies shop in Michigan. Critical rod dimensions are are held to very precise tolerances of +/- .0001 of an inch, which is the tightest tolerance you will find in the performance and racing aftermarket.
Sold as a set of six.
The Forged H-beam rods will fit E36/E34 BMW's with the following engines
M50b25 (Non Vanos)
S50b30 (USA Spec)
S52b32 (USA spec)
***They will not fit the M50b25 (Vanos Variant) As this engine uses a 140mm length rod.
Additionally they will only fit USA spec S50/S52 Engines. The Euro Spec engine uses a smaller diameter wrist pin among other differences,