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.
H Beam BMW M52 M54, S52, S54 Rods
Molnar BMW Connecting Rod Specs Part Numbers and Application Info
- Length Length of the connecting rod, as measured center to center, in inches.
- Notes Additional information about specific applications
- Wt Weight in grams, of one complete connecting rod assembly
- Bolt Size 3/8 diameter Rods come with ARP2000 fasteners installed
- Jrnl Crank rod journal diameter
- Pin Piston pin diameter, in inches or millimeters
- BE Width of the crankshaft end of one rod
- PE Width of the piston end of one rod
- Part Number Molnar Technologies Connect Rod set part number
- Price The price shown is for a complete set of rods for the engine.
| Part Number | Length | Notes | Wt | Jrnl | Pin | BE | PE |
|---|---|---|---|---|---|---|---|
High Performance and Racing BMW Connecting RodsNOTE: Will not fit stock pistons that have tapered pin towers. |
|||||||
| BMWH5315CFB6-A
|
5.315 | M52 B32 | M54 B30 and S52 Series engines | 484 | Stock | 22mm | 0.862 | 0.862 |
|
BMWH5315CFB-T6-A
|
5.315 |
PWR ADR™ series rods. Extra heavy duty for high boost and/or nitrous. BMW Power Adder Rods for M52 B32 / M54 B30 and S52 Series Engines |
539 | Stock | 22mm | 0.862 | 0.862 |
| BMWH5472KEB6-A
|
5.472 | S54 B32 | 496 | Stock | 21mm | 0.784 | 0.784 |
|
BMWH5683AHFB6-A
|
5.683 | For use in N55 engines | 615 | Stock | 22mm | 0.822 | 0.822 |
|
BMWH5708AHFB6-A
|
5.708 | For use in N54 engines | 616 | Stock | 22mm | 0.822 | 0.822 |
If you did not find the BMW con rods you need, please contact us for assistance. New models are constantly in development so we may have piston rods available that have not been added to this site yet.