BMW M52B25/M54/S52US/M20B25

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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

6-BR-109-003/8"×1.6"135.00 mm48.000 mm21.91 mm22 mm530 g


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
– S52B32 ONLY.
– 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-109A-9797.00 mm60.000 mm25.00 mm45.000 mm24.3 kg


BMW – 3 Series 1996-1999(E36) M3 (Canada and US only)

BMW – Z3M 1998-2000(E36/E37/E38)

BMW – 3 Series 2000-2006(E46) 330i

BMW – 3 Series 2000-2006(E46) 330xi

BMW – 5 Series 2000-2004(E39) 530i

BMW – 5 Series 2003-2005(E60) 530i

BMW – Z3  2000-2002(E36/E37) 3.0i