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Zrp bmw m3 e46 s54b32 connecting rods
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R bmw 012 i 2

ZRP BMW M3 E46 S54B32 Connecting Rods

SKU: R-BMW-012-I Categories: , , , , , , , , , , Tags: , ,

999.99€

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In Stock - Available from Supplier Dispatch between 16 December - 23 December.
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The ZRP BMW M3 E46 S54B32 Connecting Rods bring the kind of steady strength the high-revving S54 always seems to ask for. This engine loves to climb through the revs, and once you start leaning on it with more load, the factory rods begin to feel like they’re working harder than they should. You know what? That’s usually the moment builders start looking for a rod that can take the heat without flinching.

ZRP machines each rod from 4340 high-tensile steel and shapes it for power gains without turning it into something bulky. Inside, AMPCO 18 bushings keep their form when things get hot, and the small radial groove inside acts like a tiny oil pocket that keeps movement smooth as the straight-six surges through the RPM range. It sounds like a small touch, but anyone who builds engines knows those details matter more than they seem at first glance.

After machining, the rods go through shot peening to ease stress in the material, followed by a multi-stage heat process that gives them a firm, settled structure. Oil clearances stay consistent. Bend and twist stay controlled. And once everything sits in the block, the fit feels precise and reassuring—which is all you want when you’re spinning an S54 to the edge of its comfort zone.

Each rod comes with ARP 2000 bolts rated at 220,000 psi, and you can choose ARP L19 bolts if your plans call for even more strength. ZRP includes ARP moly and full fitting instructions, so the install feels familiar and predictable for anyone used to engine work.

For M3 E46 owners building a stronger, more confident S54, these rods give the bottom end the backbone it needs. They steady the engine, add a sense of trust, and help the straight-six deliver that sharp, eager feel that makes the S54 so loved.

ADDITIONAL INFORMATION:

Brand

Shape

I-Beam
Material

High Tensile Steel 4340
Length

139.00mm
Small End

21.00mm
Bolt Size

3/8"
Application

3.2L M3 E46 S54
Big End

53.00mm
B.E Width

19.91mm
Set Of

6
Discplacement

3.2L
Pin Size

21.00mm
Series

–
Engine

3.2L – S54B32
Note

–

PREPREG is a common term for a reinforcing fabric such carbon which has been pre-impregnated with a resin system. This resin system (typically epoxy) already includes the proper curing agent. As a result, the prepreg is ready to be laid into the mold without the addition of any more resin. In order for the laminate to cure, an autoclave production process is used, a combination of high pressure and heat.

  • Maximum strength and performance characterictics. In a hand layup production process, it is difficult to achieve 50% fabric and 50% resin content.  Typical hand laminates, even when vacuum bagged, end up with a significant amount of excess resin. Excess resin increases brittleness and reduces overall strength properties. On the other hand, most prepregs contain around 35% resin. This is ideal for maximum cured properties and generally impossible to achieve in normal hand lamination.
  • Uniformity and repeatability. The prepreg is of uniform thickness and each part coming out of the mold may theoretically be the same. Vacuum bagging technology may have some errors in processing, but prepreg ensures production consistency.
  • Reduce curing time. After the thermal curing cycle, no need to wait for the standard 48 hours can be fully cured.
  • Aesthetics. Although prepreg processing still requires mold preparation and demoulding, prepreg processing eliminates air bubbles, makes it easier to obtain a smooth, glossy surface as well as eliminates any seaming lines.

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We offer free tracked shipping on all orders within mainland EU. Orders to remote areas such as Malta, Cyprus, and Iceland may incur a surcharge. Worldwide shipping is also available—please contact us for a quote.

Most orders dispatch within one business day (Monday to Friday). EU delivery takes 3–5 working days from dispatch, and tracking details will be provided via email once your order has shipped.

Please note that import taxes may apply outside the EU, and these are the responsibility of the buyer. Some items may ship directly from our suppliers and may have varying delivery times. If an item is out of stock, we will contact you to discuss the available options.

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RETURNS

Changed your mind? You can return unused, uninstalled items in original packaging within 30 days of delivery. Return shipping is the customer’s responsibility unless the item is faulty.

Custom, used, or built-to-order items are non-returnable.

Once we receive and inspect your return, refunds are typically processed within 10 business days.

If your item is damaged or incorrect, contact us within 48 hours with photos and order details.

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WARRANTY

All VA and VA Motorsports products come with a 1-year limited warranty covering manufacturing defects and fitment issues. For third-party items, warranty terms vary by brand—please check the product listing or contact us for details.

This warranty does not cover wear and tear, incorrect installation, cosmetic damage, labor, or third-party costs.

To start a claim, email us with your order number, issue description, and photos. If the claim is approved, we’ll offer a replacement, store credit, or a refund.

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ZRP BMW M3 E46 S54B32 Connecting Rods
ZRP BMW M3 E46 S54B32 Connecting Rods