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  3. MAXPEEDINGRODS HO4R7L

MAXPEEDINGRODS HO4R7L Connecting Rods Engine 5.681 2.0T N20 N26

fits model: 328i, X3, 528i, Z4. make: Bmw. year: 2011–2017.

Ho4r7l Maxpeedingrods 5.681 Inch Connecting Rods For Bmw 2.0t N20 N26 Engine 2011-2017 328i X3 528i Z4

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: HO4R7L ), ( Big End Diameter: 53.60mm/2.110 ), ( Big End Width: 20.80mm/0.819 ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Center To Center Length: 144.30mm/5.681 ), ( Manufacturer Warranty: 2 Years ), ( Material: Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Performance Part: Yes ), ( Pin Type: Bronzed Bushing Floating Pin ), ( Quantity: 4 Pieces As Showing In Picture ), ( Small End Diameter: 22.00mm/0.866 Tapered Small End ), ( Type: Connecting Rod Set ), ( Weight Tolerance: Balanced To / 1 Gram In Set ), ( Country Of Origin: China )

Review MAXPEEDINGRODS 5.681 Inch Connecting Rods Bmw 2.0t N20 N26 Engine fits 328I X3 528I Z4 2011–2017

The **Maxpeedingrods HO4R7L 5.681" Forged Connecting Rods** represent a premium upgrade for the high-performance enthusiast seeking to maximize the potential of BMW s N20 and N26 inline-4 engines, found in models like the **2011 2017 328i, X3 (F25), 528i, and Z4 (E89/E89-based)**. Engineered from **7075-T6 aluminum alloy**, these rods are not only lighter than stock but also feature a **forged design** that enhances rigidity and durability, reducing flex under extreme loads critical for high-revving applications, forced induction builds, or aggressive tuning scenarios. The **5.681-inch length** provides a subtle yet meaningful increase in stroke, allowing for improved low-end torque and better breathing at higher RPMs, which translates to smoother power delivery and reduced stress on the crankshaft and bearings. Each rod is **pre-drilled for stock bolt patterns**, ensuring a seamless fitment with minimal modification required, though upgrading to **high-quality aftermarket bolts** is strongly recommended to match the rods enhanced strength. The **precision-machined big-end journals** and **optimized pin offsets** further refine internal balance, reducing vibration and improving overall engine smoothness especially noticeable in turbocharged or supercharged setups where harmonic distortion can become an issue. Whether paired with a **turbo kit, nitrous system, or high-flow cylinder heads**, these rods are designed to handle the demands of aggressive tuning without compromising reliability. For the BMW owner pushing the limits of their N20 or N26 engine, the Maxpeedingrods HO4R7L rods offer a **direct path to increased power, reduced weight, and long-term durability**, making them an ideal choice for those who refuse to compromise on performance.

### **Pros and Cons of Buying Maxpeedingrods HO4R7L 5.681" Connecting Rods for BMW N20/N26 (2011 2017) Engines**

#### **Pros:**

1. **Increased Compression Ratio Potential** The longer 5.681" rods allow for a higher compression ratio, which can improve power output, especially when paired with a forged crankshaft and optimized pistons. This is particularly beneficial for turbocharged builds where efficiency gains are desirable.

2. **Better Weight Distribution** Longer rods can help balance the reciprocating mass more effectively, reducing stress on the crankshaft and main bearings, which may contribute to smoother operation at higher RPMs.

3. **Compatibility with Forged Components** These rods are designed to work with forged pistons and cranks, which are essential for high-performance builds. They are a common upgrade in forced-induction applications where stock rods may be too weak.

4. **Aftermarket Support** Maxpeedingrods is a reputable manufacturer with a track record in producing high-quality, durable rods for performance applications. Their rods are often used in competitive and street builds.

5. **Potential for Increased Reliability** If the engine is already modified with a forged crank and pistons, these rods may reduce the risk of catastrophic failure compared to stock rods under heavy loads.

6. **Custom Tuning Flexibility** Longer rods can be paired with a lower deck height (if using a custom block or decking) to achieve a desired compression ratio, giving tuners more control over engine behavior.

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#### **Cons:**

1. **Cost** These rods are significantly more expensive than stock rods, often costing several hundred dollars. This adds up when combined with other necessary upgrades like a forged crank, pistons, and bearings.

2. **Installation Complexity** Replacing connecting rods requires removing the crankshaft, which is a labor-intensive process. This may require professional installation, adding to the overall cost.

3. **Potential for Increased Stress on Other Components** While longer rods can improve balance, they may also increase side loads on the piston pins and bearings if not properly matched with a balanced crankshaft and pistons. This can lead to premature wear or failure if other components are not upgraded accordingly.

4. **Limited Stock Compatibility** These rods are not drop-in replacements for stock rods. They require a custom setup with a forged crank, pistons, and often a modified block (e.g., decking or a custom block). This means you cannot simply swap them in without significant modifications.

5. **Weight Considerations** Longer rods can add slight weight to the reciprocating assembly, which may require additional tuning to compensate for changes in inertia, especially at high RPMs.

6. **Risk of Improper Assembly** If not installed correctly, there is a risk of misalignment or binding, which could lead to engine damage. This requires careful attention to torque specs, bearing clearance, and assembly procedures.

7. **Not a Standalone Upgrade** These rods are not a power-increasing modification on their own. They must be paired with other upgrades (turbo, fueling, ignition, etc.) to see meaningful gains. Without these, the engine may still be limited by other components.

---

### **Ending Conclusion:**

The Maxpeedingrods HO4R7L 5.681" connecting rods are a **high-end, performance-oriented upgrade** best suited for **serious builders** working on **forced-induction or high-compression N20/N26 engines**. They are not a simple bolt-on solution but rather a **critical component in a fully forged, high-performance engine build**.

If you are planning a **turbocharged, high-RPM, or extreme compression ratio project**, these rods can be a worthwhile investment to improve reliability and power potential. However, they are **not necessary** for mild builds or stock/near-stock applications. The decision to install them should be based on whether you are committed to a **full engine rebuild with forged internals** and have the budget to support it.

### **Recommendation:** - **If you are building a high-performance N20/N26 engine (e.g., 500 hp turbocharged, high-compression NA, or race engine):**

- Proceed with the Maxpeedingrods rods as part of a **complete forged internals package** (crank, pistons, bearings, rods, and oil system upgrades).

- Ensure you have a **custom block (if needed), proper tuning, and supporting modifications** (turbo, fueling, ignition, etc.).

- Consider professional installation to avoid mistakes.

- **If you are doing a mild turbo or NA build (under 400 hp) or a stock-like project:**

- These rods are **overkill and unnecessary**. Stock rods or slightly upgraded aftermarket rods (e.g., JE, Scat) may be sufficient.

- Focus on **turbo upgrades, fueling, and exhaust** instead of rod length.

- **If you are unsure about the full build plan:**

- Consult with a **BMW performance specialist or engine builder** to ensure the rods fit your goals before purchasing.

- Consider starting with **stock or slightly upgraded rods** (e.g., 5.600" or 5.650") if you are not yet committed to a full forged build.

Ultimately, these rods are a **premium choice for elite builds**, but they require a **comprehensive approach** to be justified. For most street builds, they are not a practical or cost-effective upgrade.

Details:

part #: ho4r7l price

  • $558.87

specifications pistonrinro:

  • for models: 328i, X3, 528i, Z4
  • for makes: Bmw
  • for years: 2011-2017
  • brand: Maxpeedingrods
  • mpn: Ho4r7l
  • big end diameter: 53.60mm/2.110
  • big end width: 20.80mm/0.819
  • california prop 65 warning: California Prop 65 Warning
  • center to center length: 144.30mm/5.681
  • manufacturer warranty: 2 Years
  • material: Steel
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part
  • performance part: Yes
  • pin type: Bronzed Bushing Floating Pin
  • quantity: 4 Pieces As Showing In Picture
  • small end diameter: 22.00mm/0.866 Tapered Small End
  • type: Connecting Rod Set
  • weight tolerance: Balanced To / 1 Gram In Set
  • country of origin: China

seller pistonrinro:

  • city: Elk Grove Village, Illinois
  • # reviews: 1206
  • rating: 99.6%

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offer pistonrinro:

  • options: Ship-to-home
  • started: April 28, 2026
  • best offers: True
  • sold: 0
  • availability: In Stock
  • quantity: 1

general pistonrinro:

  • Car Truck Parts Accessories > Engines Engine Parts > Connecting Rods Parts
  • condition: New

shipping pistonrinro:

  • service: FedEx Ground / FedEx Home Delivery
  • type: Fixed
  • class: Standard
  • transit: 2-6 Days
  • cost: $0.00
  • carrier: FedEx

returns pistonrinro:

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for models: 328i, x3, 528i, z4, for makes: bmw, for years: 2011-2017, big end diameter: 53.60mm/2.110, big end width: 20.80mm/0.819, california prop 65 warning: california prop 65 warning, center to center length: 144.30mm/5.681, manufacturer warranty: 2 years, note: no instruction included, notice: this is aftermarket replcement part, performance part: yes, pin type: bronzed bushing floating pin, quantity: 4 pieces as showing in picture, small end diameter: 22.00mm/0.866 tapered small end, type: connecting rod set, weight tolerance: balanced to / 1 gram in set, country of origin: china,
category: auto parts > car truck parts accessories > engines engine parts > connecting rods parts, material: steel, sku: 13343730321487632,
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