BMW 805328106 Comp Engine Motor Cylinder Head Camshafts Set 11368053404 2021-25 3.0L S58 G82 7K

( Manufacturer Part Number: 805328106 ), ( Type: Cylinder Head ), ( Material: Aluminum ), ( Items Included: As Pictured ), ( Oe/oem Part Number: 11368053403 ), ( Performance Part: Yes ), ( Vintage Part: No ), ( Ipn: 11368053404 )

Review BMW 2021 25 Comp Engine Motor Cylinder Head Camshafts Set 3.0l S58 G82 7k fits M4

The **BMW 805328106 Engine Component Set** is a meticulously engineered, high-performance replacement assembly designed specifically for the **2021 2025 BMW M4 Competition (G82) and M4 CS (G82) models**, featuring the legendary **3.0L S58 twin-turbocharged inline-six engine**. This critical component set includes a **complete cylinder head and camshaft assembly**, ensuring optimal performance, reliability, and compliance with the factory s exacting standards. The **S58 engine**, renowned for its precision engineering and high-revving capabilities, demands components that match its demanding specifications, and this set delivers with factory-matched tolerances and materials. The **cylinder heads** are crafted from high-strength aluminum alloys, precision-machined to minimize weight while maximizing durability, and feature integrated **variable valve timing (Valvetronic)** mechanisms for seamless throttle response. The **camshafts**, forged from hardened steel, are dynamically balanced to reduce vibration and enhance smoothness across the entire RPM range, from low-end torque to aggressive high-revving performance. This set is ideal for both **OEM replacement** after engine removal or head failure and **performance upgrades**, as it maintains the factory s exacting standards while offering the reliability of a direct-fit solution. Whether restoring a previously serviced engine or upgrading a stock unit, this component set ensures that the **M4 s signature driving dynamics** sharp throttle response, precise power delivery, and exhilarating high-revving character remain intact, allowing enthusiasts to fully embrace the **S58 s legendary performance heritage**.

### **Pros and Cons of Buying a BMW 805328106 (2021-25 M4 Competition Engine Cylinder Head & Camshaft Set for 3.0L S58/G82 7K)**

1. **Performance Improvement** The S58 engine is a high-performance inline-six, and upgrading the cylinder head and camshafts can enhance airflow, power output, and throttle response. This set is designed to optimize performance for the M4 Competition (G82) platform, which may have slight tuning differences compared to the standard M4.

2. **Factory-Approved or High-Quality Aftermarket** BMW s OEM part (805328106) is a direct replacement, ensuring compatibility and reliability. If sourced from a reputable aftermarket supplier (such as BMW M Performance Parts, BimmerWorld, or trusted dealers), it will be engineered to match or exceed OEM specifications.

3. **Potential for Better Efficiency** Modern camshaft profiles and cylinder heads can improve combustion efficiency, reducing fuel consumption and emissions slightly while maintaining (or even improving) power delivery.

4. **Future-Proofing** If you plan to modify the engine further (e.g., forced induction, exhaust upgrades), having a fresh set of cylinder heads and camshafts provides a clean slate for additional tuning.

5. **Warranty Coverage** If purchased through an authorized dealer or BMW M Performance, the part may come with a warranty, reducing long-term risk.

6. **Compatibility with M4 Competition** The G82 platform (M4 Competition) may have slight differences in engine tuning compared to the standard M4 (G80). This set is specifically designed for the Competition variant, which could mean better tuning for a sportier driving experience.

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1. **High Cost** BMW performance parts, especially OEM or high-quality aftermarket replacements, are expensive. The cylinder head and camshaft set for an S58 engine will likely cost several thousand dollars, making it a significant investment.

2. **Installation Complexity** Replacing cylinder heads and camshafts requires advanced mechanical skills, specialized tools, and potentially a dyno tune afterward. If not done correctly, it could lead to engine damage or poor performance.

3. **Potential for Overkill** If your M4 is already running well stock or with minor modifications, upgrading these components may not provide noticeable gains unless you re pushing for significant power increases (e.g., 500 hp).

4. **Compatibility Risks** While the part is designed for the G82, slight variations in engine tuning (e.g., ECU maps, fueling) could require additional adjustments. A professional tune may be necessary to avoid issues like rough idle, hesitation, or detonation.

5. **Maintenance & Longevity Concerns** High-performance components can wear faster under aggressive driving conditions. If not properly maintained (e.g., oil changes, cooling system checks), the engine may experience premature failure.

6. **Resale Impact** If you plan to sell the car later, extensive modifications (especially OEM performance parts) may deter buyers who prefer stock or lightly modified vehicles. However, this depends on the market and buyer preferences.

7. **Time-Consuming Process** Removing and replacing cylinder heads requires disassembling much of the engine, which can take days of labor. This is not a quick weekend project.

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The **BMW 805328106 cylinder head and camshaft set for the 2021-25 M4 Competition (G82) 3.0L S58 engine** is a **high-quality, performance-focused upgrade** that can significantly enhance power, responsiveness, and drivability. However, it is **not a necessary upgrade for most owners** unless you are actively modifying the engine for serious power gains or tuning purposes.

If you are **serious about performance tuning** and have the budget and mechanical expertise (or access to a trusted mechanic), this part is a **strong investment**. However, if you are looking for **minor improvements or a stock-like experience**, the cost and complexity may not justify the upgrade.

For **casual drivers or those who want subtle enhancements**, consider **aftermarket camshafts or exhaust upgrades** first, as they are often more cost-effective. If you are **building a high-performance M4**, this set is a **solid choice**, but it should be paired with a **professional tune and proper maintenance** to ensure longevity.

- **Buy if:** You are committed to **serious engine tuning**, have the budget ( $3,000 $5,000 depending on source), and either have mechanical experience or a trusted mechanic. Ensure you also get a **dyno tune** afterward.

- **Skip if:** You are not planning major modifications, want to avoid complex installations, or prefer keeping the car closer to stock for resale value.

- **Aftermarket camshafts** (e.g., from **BMS, MHD, or MHD Racing**) may offer similar performance at a lower cost.

- **Exhaust upgrades** (e.g., **BMS or MHD systems**) can improve flow without the complexity of cylinder head work.

- **ECU tuning** (e.g., **BMW M Performance, JB4, or custom maps**) can sometimes unlock more power with stock components.

Ultimately, this upgrade is **best suited for enthusiasts who want to push their M4 Competition beyond stock limits** but it requires careful planning and execution.

Details:

2021 - 2021 BMW M4 3.0L; Competition, Competition drive base model ; 6 cyl ; Cape; 3.0 LITER W/M4. A valid phone number is required for contact before delivery. 2022 - 2022 BMW M4 3.0L; Competition, Competition drive base model ; 6 cyl ; Con Cape; 3.0 LITER W/M4. A valid phone # is required for contact before delivery, If you want residential it a $100 charge.

part #: 805328106 prices

• $1128.11-$2149.99

specifications cylinderheapar:

• for models: M4
• for makes: Bmw
• mpn: 805328106
• type: Cylinder Head
• material: Aluminum
• items included: As Pictured
• oe/oem part number: 11368053403
• performance part: Yes
• vintage part: No
• ipn: 11368053404

offer cylinderheapar:

• best offers: True
• options: Ship-to-home
• quantity: 1
• sold: 0
• started: May 21, 2026
• availability: In Stock

payments cylinderheapar:

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

general cylinderheapar:

• condition: Used
• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads

seller cylinderheapar:

• rating: 100.0%
• city: Lincoln, Nebraska
• # reviews: 40213

shipping cylinderheapar:

• service: Flat Rate Freight
• class: Freight
• cost: $0.00
• type: Fixed

returns cylinderheapar:

• policy: Returns Accepted
• paid by: Buyer
• time: 60 Days

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