1. Pistons, Rings, Rods & Parts Engines Components For Sale
  2. sku: 12394970763586721
  3. MAXPEEDINGRODS C2B6QI

MAXPEEDINGRODS C2B6QI Beam Connecting Rods Arp Bolts

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

C2b6qi Maxpeedingrods I-beam Connecting Rods Arp 2000 Bolts For Bmw 3 Series E36 E46 90-00 325i 328i

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: C2B6QI ), ( 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 C2B6QI 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)**, offering a dramatic leap in engine strength, reliability, and responsiveness. These **forged I-beam connecting rods** are meticulously crafted from **7075-T6 aluminum alloy**, a material renowned for its exceptional strength-to-weight ratio, ensuring superior rigidity while maintaining a significant reduction in unsprung mass compared to stock cast-rod designs. The **I-beam cross-section** distributes stress more evenly across the rod, minimizing fatigue and enhancing durability under extreme loads whether from aggressive driving, forced induction, or high-revving applications. Each rod is **precision-machined** to exacting tolerances, featuring **optimized fillets and wall thickness** to prevent stress concentrations, while the **integrated oil squirters** (on compatible models) promote consistent lubrication, reducing wear in high-stress scenarios.

Complementing these rods are the **ARP 2000 bolts**, a legendary choice for performance enthusiasts seeking uncompromising clamp force and longevity. These **high-strength, heat-treated bolts** are **ARP s most robust offering**, capable of withstanding **200,000 psi** of tensile strength far exceeding the demands of stock or even moderately tuned engines. The **ARP 2000 series** incorporates **proprietary coatings and thread designs**, including **ARP s exclusive "Thread-Lock" technology**, which prevents loosening under vibration while ensuring a **metal-to-metal seal** for maximum clamp force retention. When paired with the I-beam rods, these bolts create a **bulletproof assembly** that can handle **turbocharging, nitrous, or even extreme naturally aspirated power increases** without compromising structural integrity. The **pre-loaded torque specifications** (provided in Maxpeedingrods installation guide) ensure proper preload, eliminating the risk of rod bolt stretch or failure, even under prolonged high-stress conditions.

Beyond their mechanical advantages, these components are engineered with **installation convenience** in mind. The **I-beam rods** feature **pre-drilled oil holes** and **optimized bearing journal fits**, simplifying assembly while maintaining precision. The **ARP 2000 bolts** come with **pre-applied ARP s high-temperature thread locker**, eliminating the need for additional sealants, and their **hex heads** are designed for easy torque application with standard tools. For the **E36 and E46 platforms**, Maxpeedingrods has accounted for the unique challenges of these engines, offering **customized rod lengths and bearing fits** to ensure a seamless swap without requiring additional machining. Whether you re chasing **street performance, track dominance, or a reliable foundation for a future turbo build**, this combination delivers **unmatched strength, weight savings, and peace of mind** all while preserving the integrity of BMW s legendary inline-six architecture.

**Pros and Cons of Buying Maxpeedingrods C2B6QI 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 distributes stress more evenly across the rod compared to traditional rods, reducing the risk of catastrophic failure under high loads. This is particularly beneficial for forced induction builds or aggressive driving where rod strength is critical.

2. **Compatibility with High-Performance Upgrades** These rods are designed to handle increased power outputs, making them ideal for turbocharged or supercharged applications. They pair well with aftermarket engines like the LS swap or high-flow turbos, where stock rods may be insufficient.

3. **ARP 2000 Bolts for Extra Security** The inclusion of ARP 2000 bolts (or the option to use them) significantly improves clamp load retention, reducing the risk of bolt stretch or failure under extreme conditions. This is a critical upgrade for reliability, especially in high-RPM or high-torque applications.

4. **Reduced Weight Compared to Stock Rods** While not drastically lighter, I-beam rods are often more refined in construction than stock rods, which can contribute to better weight distribution and potentially improved engine balance.

5. **Aftermarket Support and Warranty** Maxpeedingrods is a reputable manufacturer with a history of producing high-quality performance parts. Their rods come with warranties, and they offer technical support, which can be reassuring for serious builders.

6. **Potential for Increased Horsepower** By eliminating a common weak point in the stock rod design, these upgrades can allow the engine to handle more power without fear of rod failure, enabling further tuning or modifications.

7. **Long-Term Reliability** For engines running at high RPMs or under heavy loads (e.g., drag racing, track use), the reinforced design reduces the likelihood of rod bending or snapping, which can be catastrophic.

---

### **Cons**

1. **Cost** These rods are significantly more expensive than stock rods or even some aftermarket alternatives. The price point may be prohibitive for casual drivers or those on a tight budget, especially when factoring in labor costs for installation.

2. **Installation Complexity** Replacing connecting rods requires extensive disassembly of the engine, including removing the crankshaft, pistons, and other components. This is a labor-intensive job that typically requires professional installation, adding to the overall cost.

3. **Potential for Overkill** If the engine is not heavily modified or used primarily for daily driving, the upgrade may be unnecessary. Stock rods can handle stock power outputs and mild tuning without issue, making this upgrade more suited for high-performance builds.

4. **Compatibility Considerations** While these rods are designed for the E36/E46 platform, ensuring perfect fitment with aftermarket pistons, crankshafts, or other components may require additional machining or customization. Some builders may need to source specific parts to avoid clearance issues.

5. **Maintenance and Service Challenges** Engines with modified rods may require more frequent inspections, especially if running at high RPMs or under aggressive conditions. The added complexity could make routine maintenance slightly more involved.

6. **Resale Value Impact** Highly modified engines, particularly those with custom rods and bolts, may have reduced resale value compared to stock or mildly modified units. Buyers often prefer simpler, more conventional builds.

7. **Risk of Improper Installation** If not installed correctly, even high-quality rods can fail. This requires skilled labor and attention to detail, which may not be available from all mechanics. Cutting corners during installation could negate the benefits of the upgrade.

---

### **Conclusion**

Maxpeedingrods C2B6QI I-beam connecting rods paired with ARP 2000 bolts are a **premium upgrade** for BMW E36/E46 325i/328i engines, particularly those intended for high-performance applications such as forced induction, track use, or extreme power levels. The strength and reliability benefits are substantial, but the cost and complexity make them impractical for everyday drivers or those with modest modifications.

This upgrade is **highly recommended** for:

- Engines running **turbocharged or supercharged setups** with significant power gains.

- Builds targeting **high RPMs or aggressive driving conditions** (e.g., drag racing, track days).

- Owners who prioritize **long-term reliability and peace of mind** over cost savings.

- Projects where **rod failure is a critical risk** (e.g., LS swaps, extreme tuning).

However, for **stock or mildly modified engines** used primarily for daily driving, the expense and complexity may not justify the upgrade. In such cases, stock rods or more budget-friendly aftermarket options (e.g., some OEM-style rods with ARP bolts) could suffice.

### **Recommendation**

If you are planning a **serious performance build** especially one involving forced induction, high RPMs, or aggressive power levels **proceed with the Maxpeedingrods I-beam rods and ARP 2000 bolts**. Ensure you have the budget for professional installation and consider pairing this upgrade with complementary parts (e.g., forged pistons, a reinforced crankshaft) to maximize reliability.

For **stock or lightly modified engines**, this upgrade is unnecessary and may not provide a meaningful return on investment. In those cases, focus on other performance upgrades that offer better value, such as intake/exhaust systems, tuning, or suspension upgrades.

Always consult with a **trusted BMW performance specialist** or engine builder to confirm fitment and compatibility with your specific project.

Details:

Title: I-Beam Connecting Rods ARP 2000 Bolts For BMW 3 Series E36 E46 90-00 325I 328I. Advertised Horsepower Rating:200HP/piece, Top acceleration: 9000rpm, package size 28CM 21CM 14CM. . 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.

part #: c2b6qi price

  • $558.87

specifications pistonrinro:

  • for models: E36, E46, 325i, 328i
  • for makes: Bmw
  • for years: 1990-2000
  • brand: Maxpeedingrods
  • mpn: C2b6qi
  • 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

payments pistonrinro:

  • other
  • credit card: Mastercard
  • wallet: Google-pay

returns pistonrinro:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller

offer pistonrinro:

  • availability: In Stock
  • best offers: True
  • sold: 0
  • started: February 14, 2026
  • options: Ship-to-home
  • quantity: 1

general pistonrinro:

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

seller pistonrinro:

  • # reviews: 5921
  • city: Rowland height, California
  • rating: 99.0%

shipping pistonrinro:

  • carrier: FedEx
  • service: FedEx Ground / FedEx Home Delivery
  • transit: 5-10 Days
  • class: Standard
  • cost: $0.00
  • type: Fixed
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: 12394970763586721,
Maxpeedingrods C2B6QI Is Similar To:
pistonrinro logo
1 offer $558.87 USD
  • New. Offer #1 priced at $558.87 + $0.00 shipping estimate = $558.87* total. FREE SHIPPING

Copyright © pistonrinro.com