BMW S85B50

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H-Beam Connecting Rods

H-Beam design rods are very popular due to their good strength and affordable price. BW has been developing and manufacturing H-Beam rods for over 20 years, supplying the global racing and performance market. In order to meet the requirements from a variety of clients, Bridgeway has continuously improved the detailed design of its H-Beam rod, applying the most advanced machining technologies to meet the high end design specifics.

– Featured with ARP2000 fasteners.
– Upgrade to ARP L19 fasteners at an additional cost
– Upgrade to ARP Custom Age 625+ fasteners at an additional cost

Part#BOLTC-to-CB.E. BOREB.E. WidthP.E. BOREWEIGHT
10-EPR-093-013/8"×1.6"140.72 mm56.000 mm18.40 mm21 mm529 g
Rod Bolt Installation
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EPR H-BEAM CONNECTING RODS

EPR Series are BW flagship series. 

In 2010, BW introduced the EPR flagship series. It’s a brand new designed H-Beam. Over the last decade, BW had made numerous developments and improvements. Now it features more advanced technologies with no additional cost. 

  • Enlarged mating surface
  • Ribbed pin mass
  • EP hole creates an arch structure to release stresses and handle more loading. 

– Featured with ARP2000 fasteners.
– Upgrade to ARP L19 fasteners at an additional cost
– Upgrade to ARP Custom Age 625+ fasteners at an additional cost

Part#BOLTC-to-CB.E. BOREB.E. WidthP.E. BOREWEIGHT
8-EPR-093-003/8"×1.6"139.32 mm53.000 mm18.40 mm21 mm469 g

*CUSTOM DESIGN TO FIT BW CRANKSHAFT ONLY

Rod Bolt Installation

BILLET CRANKSHAFT

Billet crankshaft is the manufacturing method to fulfill specific application. BW has been developing and manufacturing billet crankshafts over 20 years. From material selections to final products delivery, BW take every step professionally. 

  • state-of -the-art design job for individual application
  • complex in-house heat treatment process, including core harden, stress relief and nitriding
  • precision machining process by advanced technologies
  • Zeiss CMM(Contura G2) for dimension inspection
  • 3M advanced technology abrasive for micro-polishing journals
  • Small batch delivery

– Standard in premium AISI4340
– Upgrade to EN40B at an additional cost
– Upgrade centerline gundrill hole for super light weight at an additional cost.

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Part#StrokeMain JournalThrust WidthCrank PinWeight
BS-093B-8282.00 mm60.000 mm28.50 mm49.000 mm23.0 kg
BS-093B-8484.00 mm60.000 mm28.50 mm49.000 mm23.2 kg

Applications

BMW – 5 Series 2005-2010(E60/E61) M5

BMW – 6 Series 2005-2010(E63/E64) M6