New
ZRP BMW M3 E36 S50B32 / S52B32 Connecting Rods
999.99€
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In Stock - Available from Supplier
Dispatch between 22 December - 29 December.
The ZRP BMW M3 E36 S50B32 / S52B32 Connecting Rods are made for engines that reward accuracy and expose weak points fast. The S50 and S52 are built to rev, and once power moves beyond factory limits, the original rods start to feel like the silent compromise in an otherwise solid bottom end. That’s usually when builders decide it’s time for parts that won’t hesitate as loads increase.
ZRP offers two rod designs, each suited to a different build focus. The I-Beam version keeps rotating mass lower, which helps preserve sharp throttle response and fast rev changes in naturally aspirated or moderate power setups. The H-Beam version adds material through the beam section and big end, making it better suited to higher cylinder pressure, aggressive tuning, or sustained track use. Both designs are machined from premium 4340 high-tensile steel and shaped to manage high load without excess weight.
At the small end, AMPCO 18 bronze bushings hold their shape under heat and load, while a fine radial oil groove acts as a reserve that supports stable lubrication as RPM climbs. It’s a quiet detail, yet one that proves its value over time.
After machining, every rod is shot peened to ease surface stress, then treated through a controlled multi-stage heat process. Oil clearances stay predictable. Bend and twist remain tightly controlled. Once installed, the rotating assembly feels composed, even when the engine is pushed hard.
Each set includes ARP 2000 rod bolts rated at 220,000 psi, with the option to upgrade to ARP L19 bolts for higher output builds. ARP moly lubricant and clear fitting guidance are included, so experienced builders can assemble with confidence.
For BMW M3 E36 owners strengthening an S50B32 or S52B32, these ZRP connecting rods give the bottom end the support it needs to stay settled. With a clear choice between I-Beam and H-Beam, the rods can be matched to the build goal, letting the engine deliver its power the way it should—smooth, responsive, and ready to rev again.
FEATURES
- Two-Piece forging for great strength
- Shot Peening for improved fatigue life
- Magnaflux Inspection guarantees that the consistency of the forged material meets our high-quality standard
- Double ribbed caps for added support
- Multi Stage Heat Treatment for maximum strength, dimensional stability, and fatigue life.
- CNC machining for superior tolerances, precise as much as 0.0002″
- Center to center is maintained under .001″ tolerance
- Finite Element Analysis (FEA) Computer generated stress analysis of con rods
- Optimal balancing for weight matched sets of ± 1gram
EXTENDED MACHINING CHARACTERISTICS
- Dowel sleeves for perfect fit and accurate re-assembling
- Lipped Cap Relief for improved big-end integrity at extreme application
- Grooves in Thrust Face for weight reduction
APPLICATIONS
- 1995–1998 BMW S50B32 E36 M3 3.2L
- 1996–1999 BMW S52B32 E36 M3 3.2L
ADDITIONAL INFORMATION:
| Brand | |
|---|---|
| Material | High Tensile Steel 4340 |
| Length | 139.00mm |
| Bolt Size | 3/8" |
| Application | 3.2L M3 E36 S50 / S52 |
| B.E Width | 21.90mm |
| Set Of | 6 |
| Discplacement | 3.2L |
| Pin Size | 21.00mm |
| Series | – |
| Engine | S50B32 / S52B32 |
| Weight | 537g |
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.
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.
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.
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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Original price was: 269.99€.249.99€Current price is: 249.99€.
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