fits model: 320i, 328i, 528i. make: Bmw.

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: ROBI7L ), ( Part Type: Bearing Engine Crankshaft Rod ), ( Application: For Bmw N20b20a 2.0t ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Fits For 1: For Bmw 2 Series Cabriolet F23 04/2014 07/2016 ), ( Fits For 10: For Bmw 5 Series Touring F11 10/2010 12/2016 ), ( Fits For 11: For Bmw X1 E84 09/2011 06/2015 ), ( Fits For 12: For Bmw X3 F25 02/2014 12/2017 ), ( Fits For 13: For Bmw X4 F26 Since 07/2013 ), ( Fits For 14: For Bmw Z4 Roadster E89 09/2011 12/2017 ), ( Fits For 2: For Bmw 2 Series Coupe F22 Since 10/2013 ), ( Fits For 3: For Bmw 3 Series F30, F35 Since 04/2011 ), ( Fits For 4: For Bmw 3 Series Gran Turismo F34 07/2012 06/2016 ), ( Fits For 5: For Bmw 3 Series Touring F31 02/2012 06/2015 ), ( Fits For 6: For Bmw 4 Series Cabriolet F33 Since 07/2014 ), ( Fits For 7: For Bmw 4 Series Coupe F32 Since 11/2013 ), ( Fits For 8: For Bmw 4 Series Gran Coupe F36 Since 03/2014 ), ( Fits For 9: For Bmw 5 Series F10, F18 10/2010 12/2016 ), ( Important Notice: Package Included, Professional Installation Required ), ( Items Included: Bearing, Washers ), ( Manufacturer Warranty: 2 Years ), ( Material: Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Oe/oem Part Number: 11217640165, 11217599247, 11212212762 )
The **Maxpeedingrods Robi7L Engine Crankshaft Connecting Rods Bearing Kit** is a meticulously engineered aftermarket solution designed to restore peak performance and longevity to the high-stress internal components of BMW s N20 2.0L inline-4 engine, found in models such as the 320i, 328i, and 528i. Crafted from premium **high-grade steel** and **advanced composite materials**, these **crankshaft and connecting rod bearings** are precision-machined to exacting tolerances, ensuring optimal oil film retention, reduced friction, and enhanced durability under extreme loads whether during spirited driving, aggressive tuning, or high-mileage operation. Unlike standard OEM components, which may degrade prematurely under the demanding conditions of forced induction or high-RPM applications, the Robi7L bearings feature a **superior surface hardness** and **improved corrosion resistance**, mitigating the risk of scoring, pitting, or catastrophic failure. The kit includes **crankshaft main bearings** and **connecting rod bearings**, all of which are **pre-lubricated** with a high-temperature anti-seize compound to facilitate effortless installation and prevent galling during assembly. Engineered to meet or exceed BMW s original specifications, these bearings are compatible with both stock and modified engines, making them an ideal upgrade for enthusiasts seeking to enhance reliability, reduce oil consumption, and extend the lifespan of their N20 s critical moving parts. Whether used in conjunction with a turbocharger, supercharger, or as a standalone preventive maintenance measure, the Robi7L bearings deliver a **cost-effective, high-performance alternative** to OEM parts, ensuring smoother operation, reduced noise, and the confidence of knowing your engine s internal components are protected against the stresses of modern driving.
### Pros and Cons of Buying Maxpeedingrods ROBI7L Engine Crankshaft, Connecting Rods, and Bearings for BMW N20 (320i, 328i, 528i 2.0L)
#### **Pros:**1. **High-Quality Materials** Maxpeedingrods specializes in performance parts, and their components are designed to withstand higher stress levels compared to OEM parts. The crankshaft and rods are often forged or precision-machined for durability and strength, which can improve engine longevity under aggressive driving conditions.
2. **Improved Performance** Upgrading to aftermarket rods and bearings can enhance power output by allowing the engine to handle higher RPMs and torque more effectively. The ROBI7L kit is specifically tuned for the N20 platform, which means it is optimized for better efficiency and reduced wear compared to stock components.
3. **Lightweight Design** Many aftermarket rods are forged from lighter alloys, reducing reciprocating mass. This can improve engine responsiveness and reduce inertia, leading to better throttle response and smoother operation.
4. **Compatibility with Forced Induction** If you plan to add a turbocharger or supercharger, Maxpeedingrods parts are often designed to handle the increased stress from forced induction. The N20 s stock rods and bearings are not built for high boost, so upgrading is essential for reliability.
5. **Warranty and Support** Maxpeedingrods offers warranties on their products, and their customer service is generally well-regarded in the tuning community. This provides peace of mind if issues arise post-installation.
6. **Custom Fitment** The ROBI7L kit is specifically engineered for the N20 engine, ensuring proper fitment and compatibility with BMW s internals. This reduces the risk of clearance issues or improper assembly.
7. **Potential for Increased Reliability** While aftermarket parts carry some risk, high-quality kits like this one are often more reliable than stock components under heavy loads. Proper installation and maintenance can further extend their lifespan.
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#### **Cons:**1. **Cost** Aftermarket rods and bearings are significantly more expensive than OEM parts. The Maxpeedingrods ROBI7L kit is a premium offering, and the total cost (including labor for installation) can be substantial, especially when factoring in additional components like pistons or a new crankshaft if needed.
2. **Installation Complexity** Rebuilding an engine to install new rods and bearings requires specialized knowledge and tools. If you re not experienced with engine work, you may need to pay a professional mechanic, which adds to the cost. Improper installation can lead to catastrophic failure.
3. **Risk of Damage During Installation** If the engine is not properly prepared (e.g., improper gap checks, incorrect torque specs, or misalignment), the new rods and bearings could be damaged during installation. This can void warranties and require additional repairs.
4. **Potential for Voiding Warranty** If your BMW is still under factory warranty, installing aftermarket internals may void coverage, especially if the manufacturer considers it a "modification." Always check your warranty terms before proceeding.
5. **Limited Aftermarket Support** While Maxpeedingrods is reputable, some mechanics may not be familiar with their specific parts. This could complicate troubleshooting or future maintenance.
6. **Not a "Set-and-Forget" Solution** Upgraded internals require proper lubrication, regular oil changes, and monitoring. Neglecting maintenance can lead to premature failure, even with high-quality parts.
7. **Possible Overkill for Mild Mods** If you re only running mild tune or minor upgrades (e.g., cold air intake, exhaust), the benefits of the ROBI7L kit may not justify the cost. These parts are best suited for aggressive builds with forced induction or high-RPM applications.
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### **Conclusion:**The Maxpeedingrods ROBI7L crankshaft, connecting rods, and bearings are a **strong upgrade** for BMW N20 owners planning significant modifications, particularly those adding forced induction, aggressive tuning, or high-performance applications. The kit offers improved strength, durability, and performance potential, but it comes with higher upfront costs and installation challenges.
If you re running a **stock or mildly modified N20** (e.g., stock turbo, mild tune), the stock internals may suffice, and the cost of upgrading may not be justified. However, if you re pushing the engine hard whether for track use, forced induction, or high-RPM driving this kit is a **reliable and high-performance choice**, provided it is installed correctly and maintained properly.
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### **Recommendation:**- **For Stock or Mild Builds:** Stick with OEM or high-quality OEM replacements (e.g., BMW M Special Parts) unless you re experiencing specific issues with the stock rods or bearings.
- **For Aggressive Builds (Turbo, High Power, Track Use):** The Maxpeedingrods ROBI7L kit is an excellent investment. Ensure you:- Have the engine professionally rebuilt with the new parts.
- Use high-quality oil (e.g., Motul, Liqui Moly) and follow strict maintenance intervals.
- Consider pairing it with a supporting kit (e.g., upgraded pistons, crankshaft, or oil pump) if needed.
- Verify compatibility with your specific tune and boost levels to avoid stressing the internals beyond their limits.
If budget is a concern, research alternatives like **Eibach, JE, or other reputable brands** that offer similar performance upgrades at potentially lower costs. Always prioritize **proper installation and maintenance** to maximize the lifespan and reliability of aftermarket parts.
Good for ensuring the normal performance of your car. One Year Unlimited Mileage Quality Guarantee. High quality and durable for stable performance long time use. Built to strict quality control standards.
Tom Engine Crankshaft Connecting Rods Bearing For BMW N20 320I 328I 528I 2.0L. Application: For BMW N20B20A 2.0T Only!!!, 2 SERIES CABRIOLET F23 04/ 2014 - 07/ 2016, COUPE F22 SINCE 10/ 2013, 3 F30, F35 04/ 2011, GRAN TURISMO F34 07/ 2012 06/ 2016, TOURING F31 02/ 2012 06/ 2015, 4 F33 07/ 2014, F32 11/ 2013, F36 03/ 2014, 5 F10, F18 10/ 2010 12/ 2016, F11 X1 E84 09/ 2011 X3 F25 02/ 2014 12/ 2017, X4 F26 07/ 2013, Z4 ROADSTER E89 12/ 2017. Feature: Brand New. 1x Crankshaft, 4x Connecting rods, 1 Set Main Bearing, Rod Thrust Washer.
Crankshaft OE. Boxes, APO/FPO addresses, or Military Mail Boxes. High quality Metal and constructed for Antitrust Anti corrosion. Packaging List.
Made of premium material and with delicate workmanship. Highest level. It is usually behind the cars windshield or on nameplate. OE/Part number: Crankshaft OE#.
High Quality Metal: Fully tested under extreme condition for heat resistance and long-life use. Our representatives will provide you with detailed instructions on how to proceed.