1. Pistons, Rings, Rods & Parts Engines Components For Sale
  2. sku: 13189086060708721
  3. MAXPEEDINGRODS EJ7WY0

MAXPEEDINGRODS EJ7WY0 Beam Connecting Rods Arp Bolts

fits model: E36, E46, 325i, 328i. make: Bmw. year: 1990–2000.

Ej7wy0 Maxpeedingrods I-beam Connecting Rods Arp 2000 Bolts For Bmw 3 Series E36 E46 90-00 325i 328i

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: EJ7WY0 ), ( Part Type: Rod Bolt ), ( Big End Diameter: 48mm/1.89 ), ( Big End Width: 21.9mm/0.862 ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Center To Center Length: 135mm/5.315 ), ( Horse Power: Single ), ( Complete Set: 600-800hp ), ( Material: Forged 4340 Aircraft Chrome Moly Quality Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Pin Type: Bronzed Bushing Floating Pin ), ( Quantity: 6 Pieces As Showing In Picture ), ( Small End Diameter: 22mm/0.866 ), ( Strength Of The Fastening: Psi , 000 Psi, The Optional Arp L19 Material At 260, 000 Psi ), ( Weight Tolerance: Balanced To / 1 Gram In Set )

Review MAXPEEDINGRODS I beam Connecting Rods Arp Bolts Bmw Series fits E36 E46 325I 328I 1990–2000

The **Maxpeedingrods EJ7WY0 I-Beam Connecting Rods** paired with **ARP 2000 bolts** represent a premium, high-performance upgrade designed exclusively for BMW s E36 and E46 325i and 328i models (1990 2000), delivering unmatched rigidity, durability, and power potential. These aftermarket components are meticulously engineered to replace the stock forged steel rods, which, while functional, often lack the precision and strength required for serious engine modifications, high RPM applications, or aggressive driving styles. The **I-Beam design** of these rods is a standout feature, offering superior torsional stiffness compared to traditional H-beam or D-beam configurations, which translates to reduced crankshaft wind-up and improved valve timing accuracy critical factors for maximizing horsepower and torque while minimizing internal stress. Crafted from **high-grade 4340 steel**, these rods are heat-treated to an optimal hardness level, ensuring they can withstand the extreme forces generated by forced induction, nitrous oxide, or high-revving turbocharged setups without compromising structural integrity.

The **ARP 2000 bolts**, a legendary choice in the performance community, are fully threaded, high-strength fasteners that eliminate the need for nuts, reducing weight and simplifying assembly while dramatically increasing clamp load. These bolts are **100% thread-rolled** for enhanced fatigue resistance and are made from **AISI 4340 steel**, which is then **carburized and hardened** to achieve a tensile strength of **200,000 PSI**, far exceeding the capabilities of stock bolts. The **ARP 2000 series** is specifically designed for high-performance applications, offering a **1.5:1 safety factor** over the original equipment, which means they can handle the extreme loads produced by aggressive engine builds without risking catastrophic failure. The **pre-loaded torque specification** ensures consistent and optimal clamping force across all rod-to-crank connections, minimizing the risk of bolt stretch or loosening under dynamic conditions.

Installation of these components requires a **precision approach**, as they are not drop-in replacements but rather require careful machining to match the crankshaft journal sizes and rod bolt hole patterns. Maxpeedingrods provides **detailed installation instructions and gasket surfaces** to ensure a seamless fit, though it is strongly recommended to have this work performed by a qualified machinist or engine builder to guarantee proper alignment and torque settings. When paired with a **high-performance crankshaft** (such as a forged or billet unit), these rods and bolts create a **rigid, harmonious power delivery system** that can handle the demands of **turbocharging, supercharging, or even nitrous oxide setups** without the fear of rod failure or crankshaft distortion. The result is not only a noticeable improvement in engine reliability but also a **sharper, more linear powerband**, as the reduced wind-up allows for more precise valve overlap and better combustion efficiency.

For enthusiasts looking to push their E36 or E46 beyond stock limits, the **Maxpeedingrods EJ7WY0 I-Beam rods with ARP 2000 bolts** are an investment in both performance and longevity. Whether the goal is **daily driving with enhanced responsiveness, track-day reliability, or extreme power modifications**, these components provide the structural backbone needed to unlock the full potential of the M50/M52 engine family. With their **race-proven design, superior materials, and unmatched clamping strength**, they stand as one of the most robust aftermarket rod and bolt combinations available for these iconic BMW models.

### **Pros and Cons of Buying Maxpeedingrods EJ7WY0 I-Beam Connecting Rods with ARP 2000 Bolts for BMW E36/E46 (1990-2000) 325i/328i**

#### **Pros**

1. **Enhanced Durability and Strength**

The I-beam design of Maxpeedingrods rods is significantly stronger than stock forged rods, reducing the risk of catastrophic failure under high stress. This is particularly beneficial for engines running forced induction (turbos/superchargers) or high RPMs, where stock rods are prone to fatigue.

2. **ARP 2000 Bolts for Maximum Hold**

ARP 2000 bolts are among the strongest aftermarket options available, offering superior clamp force and resistance to loosening compared to stock bolts. They reduce the risk of rod bolt failure, which is a common failure point in heavily modified engines.

3. **Better Weight Distribution**

I-beam rods are more rigid than traditional H-beam or D-beam designs, improving piston-to-wall contact and reducing side loading on the crankshaft journals. This can lead to smoother operation and reduced wear on the crank and bearings.

4. **Compatibility with Forced Induction**

If you plan to run a turbo or supercharger, these rods are a safer choice than stock components. They can handle the increased stress from higher boost levels and improved power output without compromising reliability.

5. **High-Quality Materials**

Maxpeedingrods uses forged 4340 steel for their rods, which is heat-treated for strength and durability. The ARP bolts are also made from high-grade steel and feature a proprietary coating for corrosion resistance.

6. **Warranty and Support**

Maxpeedingrods offers a warranty on their products, providing some peace of mind against manufacturing defects. Their customer support is generally well-regarded in the aftermarket community.

7. **Potential for Increased Power**

While the rods themselves don t directly increase power, their strength allows for more aggressive tuning without fear of failure. This can enable you to push the engine harder in the future if desired.

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#### **Cons**

1. **High Cost**

The EJ7WY0 rods and ARP 2000 bolts are significantly more expensive than stock components. For a 325i/328i, the cost can range from **$800 $1,500 **, depending on whether you need to buy them separately or as a full kit. This is a substantial investment, especially for a project or modified engine.

2. **Installation Complexity**

Replacing connecting rods is a labor-intensive job that typically requires **removing the engine from the vehicle, disassembling the crankshaft, and carefully installing the new rods with proper alignment**. This is not a DIY job for most enthusiasts professional machining or a trusted mechanic is usually required.

3. **Potential for Overkill on Stock Engines**

If your engine is running stock or near-stock power levels (e.g., naturally aspirated with mild tuning), the upgrade may be unnecessary. Stock rods in a well-maintained E36/E46 engine can last **100,000 miles** without issues, especially if the engine is properly serviced.

4. **Crankshaft Compatibility**

Some aftermarket rods (including Maxpeedingrods) require a **matching crankshaft** with the correct journal size and balance. If your crank is worn or improperly balanced, this could introduce new issues. A **crankshaft inspection and balancing** may be required, adding to costs.

5. **Limited Aftermarket Support for E36/E46**

While Maxpeedingrods is a reputable brand, the E36/E46 platform is older, and not all aftermarket parts are as widely supported as modern BMWs. Finding a mechanic experienced with these rods on a 325i/328i may require some effort.

6. **Potential for Voiding Warranty**

If you plan to keep the car under factory warranty (if still applicable), installing aftermarket rods and ARP bolts could void certain aspects of the warranty, especially if the engine is modified.

7. **Risk of Improper Installation Leading to Failure**

If the rods are not installed correctly such as improperly gapped or misaligned they could fail prematurely. This risk is mitigated by using a professional, but it adds to the overall cost.

---

### **Conclusion and Recommendation**

#### **Who Should Buy These Rods?**

- **Forced induction builds (turbo/supercharged):** If you re running **boost levels above 10 12 psi** or plan to push the engine aggressively, these rods are a **necessary upgrade** to prevent catastrophic failure. Stock rods are not designed for high-stress applications and can fail catastrophically, leading to severe engine damage.

- **High-RPM or extreme tuning projects:** If you re running **high RPMs (e.g., 7,500 RPM) or aggressive camshafts**, the added strength of I-beam rods and ARP bolts is justified.

- **Engines with pre-existing rod bolt issues:** If your engine has a history of **rod bolt stretch or failure**, these rods and bolts are a safer alternative.

- **Builders prioritizing reliability over cost:** If budget is not a concern and you want the **absolute strongest rods available**, this is a top-tier choice.

#### **Who Should Skip These Rods?**

- **Stock or mildly modified NA engines:** If your engine is running **stock or with mild tuning (e.g., stage 1 turbo, 8 10 psi boost)**, stock rods (with proper maintenance) are likely sufficient. The cost of Maxpeedingrods rods may not be justified.

- **Budget-conscious builders:** If money is tight, consider **ARP bolts alone** (if your rods are still in good condition) or **aftermarket rods from more affordable brands** (e.g., JE, Scat, or Forged Racing) before committing to Maxpeedingrods.

- **Engines with other critical failures:** If your engine has **worn bearings, a bent crank, or major internal damage**, addressing those issues first is more important than upgrading rods alone.

- **Casual drivers or project cars with no immediate power goals:** If you re not actively modifying the engine and don t plan to in the near future, the upgrade may not be worth the expense.

#### **Final Recommendation**

For a **325i/328i E36/E46 running forced induction (especially above 12 psi boost) or high RPMs**, the **Maxpeedingrods EJ7WY0 I-beam rods with ARP 2000 bolts are an excellent choice** for reliability and strength. They are among the best aftermarket options available and significantly reduce the risk of rod failure.

However, if you re on a **tight budget or running a stock/near-stock engine**, prioritize **proper maintenance (oil changes, timing belt service, rod bolt torque specs)** over this upgrade. If you do proceed, **have a professional install them** to ensure proper fitment and alignment.

**Alternative Considerations:**

- If Maxpeedingrods is too expensive, **JE or Scat I-beam rods** (with ARP bolts) offer a more budget-friendly alternative while still providing significant strength improvements.

- If you re only concerned about rod bolts, **ARP 2000 bolts alone** (with stock rods) can be a cost-effective first step before committing to full rod replacement.

**Bottom Line:**

For **serious forced induction builds**, these rods are a **worthwhile investment**. For **stock or lightly modified engines**, they may be **overkill**. Always weigh the cost against your engine s current and future power goals.

Details:

. Title: I-Beam Connecting Rods ARP 2000 Bolts For BMW 3 Series E36 E46 90-00 325I 328I. Fitment Details: For BMW 3 Series E36 1990 - 2000 325I 328I, E46 1998 2007 328I 330i 325 Ci 328 330 xi, 5 E12 1972-1981 Saloon 528i, 7 E38 1994 2001 728i X 728i, IL, Z3 1997 2003 Coupe 2.8i, Roadster 1995 2003 Convertible Pin Type: Floating Piston. For BMW 328I 528i E36 E46 M52B28 S52B32 M54B30 S52B30 M50B25.

Advertised Horsepower Rating:200HP/piece, Top acceleration: 9000rpm, package size 28CM 21CM 14CM.

part #: ej7wy0 price

  • $589.59

specifications pistonrinro:

  • for models: E36, E46, 325i, 328i
  • for makes: Bmw
  • for years: 1990-2000
  • brand: Maxpeedingrods
  • mpn: Ej7wy0
  • part type: Rod Bolt
  • big end diameter: 48mm/1.89
  • big end width: 21.9mm/0.862
  • california prop 65 warning: California Prop 65 Warning
  • center to center length: 135mm/5.315
  • horse power: Single
  • complete set: 600-800hp
  • material: Forged 4340 Aircraft Chrome Moly Quality Steel
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part
  • pin type: Bronzed Bushing Floating Pin
  • quantity: 6 Pieces As Showing In Picture
  • small end diameter: 22mm/0.866
  • strength of the fastening: Psi , 000 Psi, The Optional Arp L19 Material At 260, 000 Psi
  • weight tolerance: Balanced To / 1 Gram In Set

shipping pistonrinro:

  • cost: $0.00
  • carrier: FedEx
  • class: Standard
  • service: FedEx Ground / FedEx Home Delivery
  • type: Fixed
  • transit: 4-8 Days

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offer pistonrinro:

  • availability: In Stock
  • sold: 0
  • quantity: 1
  • best offers: True
  • started: April 12, 2026
  • options: Ship-to-home

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  • rating: 99.4%
  • city: Rowland height, California
  • # reviews: 6490

general pistonrinro:

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

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for models: e36, e46, 325i, 328i, for makes: bmw, for years: 1990-2000, part type: rod bolt, big end diameter: 48mm/1.89, big end width: 21.9mm/0.862, california prop 65 warning: california prop 65 warning, center to center length: 135mm/5.315, horse power: single, complete set: 600-800hp, note: no instruction included, notice: this is aftermarket replcement part, pin type: bronzed bushing floating pin, quantity: 6 pieces as showing in picture, small end diameter: 22mm/0.866, strength of the fastening: psi , 000 psi, the optional arp l19 material at 260, 000 psi, weight tolerance: balanced to / 1 gram in set,
category: auto parts > car truck parts accessories > engines engine parts > connecting rods parts, material: forged 4340 aircraft chrome moly quality steel, sku: 13189086060708721,
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1 offer $589.59 USD
  • New. Offer #1 priced at $589.59 + $0.00 shipping estimate = $589.59* total. For BMW 3 Series E46 1998-2007 325i 328i 330i 325 Ci 328 Ci 330 Ci 325 xi 328 xi 330 xi. For BMW 328i 528i E36 E46 M52B28 S52B32 M54B30 S52B30 M50B25.FREE SHIPPING

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