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ARP 201-6303 ARP2000 10mm Conrod / Big End / Connecting Rod Bolt Kit for BMW M54B30, N54, N55, S55 3.0L I6 Straight-Six - Performance Rod Cap Fasteners (Fits F20 M135i, F87 M2, F80 M3, E82/E90 135i/335i)

ARP 201-6303 ARP2000 10mm Conrod / Big End / Connecting Rod Bolt Kit for BMW M54B30, N54, N55, S55 3.0L I6 Straight-Six - Performance Rod Cap Fasteners (Fits F20 M135i, F87 M2, F80 M3, E82/E90 135i/335i)

£237.56
£237.56 £237.56
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Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.

BMW 10 mm conrod fasteners - ARP2000 for M54B30, N54, N55, S55 - Part No. 201-6303

Strengthen the bottom end of your BMW straight-six with this authentic ARP2000 conrod fastener set. Designed for high revs, elevated cylinder pressures and hard track use, this 10 mm big end hardware delivers consistent clamp load to keep rod caps secure when you turn up the boost and raise the limiter. It is the upgrade savvy owners fit during an engine refresh, rod bearing service or full build to protect against stretch and fretting under sustained load.

We run this kit on our own builds and customer cars and it has proven rock solid for fast-road, drift, time attack and track day use. Feedback is consistently positive for durability and confidence at high load. If you are chasing reliability from a tuned M54B30, twin-turbo N54, turbocharged N55 or S55 M car, this is the bottom end hardware you want.

Why this ARP2000 conrod fastener set is a must-have

  • High tensile ARP2000 10 mm rod cap fasteners for dependable clamp force
  • Built to handle high RPM, heat and boost in tuned applications
  • Ideal preventative upgrade alongside rod bearing replacement or engine rebuilds
  • Authentic ARP kit with assembly lubricant included for correct installation
  • Proven on road and circuit builds where reliability is non-negotiable

What you receive

  • 12 x 10 mm ARP2000 conrod bolts
  • ARP assembly lube

Engine and vehicle suitability

For BMW 6-cylinder models using the following engines: M54B30, N54, N55, S55. Popular platforms include 1 Series and 2 Series with N55, plus F20 M135i, F87 M2 N55, and F80 M3 S55 among others using these engines. Perfect for owners searching for BMW big end bolt upgrade, straight-six bottom end hardware or performance rod cap bolts for M54, N54, N55 and S55.

Part number

ARP 201-6303

Fitting and support

Professional installation is strongly recommended. Follow the correct torque and stretch procedure and use the supplied assembly lubricant. For supply and fitting, MJ Modifications in Warwickshire can help with a tailored quote. Email info@mjmodifications.co.uk.

Returns

We cannot accept returns on opened packets of bolts or bearings. Please check engine compatibility and confirm part number 201-6303 before opening the packaging.

Keywords customers often use

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