BMW 11121250017 Cylinder Head Camshaft 3.0CS 2800CS

( Manufacturer Part Number: 11121250017 ), ( Type: Cylinder Head Assembly ), ( Items Included: Camshaft )

Review BMW Cylinder Head Camshaft Oem fits M30 E3 E9 1968–1974

The **BMW 11121250017 cylinder head camshaft** is a meticulously engineered component designed exclusively for the legendary **E3/E9 3.0CS and 2800CS models** produced between **1968 and 1974**, marking a pivotal era in BMW s evolution from classic elegance to high-performance engineering. This part belongs to the **M30 six-cylinder inline engine**, a powerhouse renowned for its smooth, torque-rich operation and timeless reliability. The camshaft in question is a critical element of the overhead valve (OHV) design, featuring precision-machined lobes that govern the timing and lift of the intake and exhaust valves, directly influencing throttle response, engine breathing, and overall performance. Crafted from high-grade steel, it is built to withstand the demands of high-revving applications while maintaining durability under the demanding conditions of classic BMW driving whether cruising along scenic European roads or pushing through spirited acceleration. The **11121250017** designation ensures compatibility with the **3.0CS s** (2970 cc) and **2800CS s** (2788 cc) variants, both of which were celebrated for their luxurious interiors, handcrafted wood trim, and the distinctive growl of their twin-SU carbureted or later Weber-injected configurations. This camshaft is not merely a functional part but a piece of automotive heritage, embodying the engineering precision that defined BMW s golden age of mechanical artistry. For enthusiasts seeking to restore or enhance their E3/E9, this component is indispensable, offering a seamless fit that preserves the engine s original character while ensuring optimal performance and longevity. Whether installed in a meticulously restored showpiece or a daily-driven classic, the **11121250017 camshaft** remains a cornerstone of the M30 s legendary reputation.

### **Pros and Cons of Buying a 1968 1974 BMW M30 (E3/E9) 3.0CS/2800CS with Cylinder Head and Camshaft Upgrades (VIN: 11121250017)**

#### **Pros**

1. **Classic BMW Engineering**

- The M30 engine is one of BMW s most iconic straight-six designs, known for its smooth power delivery, durability, and timeless appeal. The 3.0L version (introduced in 1968) was a significant upgrade over earlier models, offering better performance and refinement.

2. **Strong Performance Potential**

- With the right modifications (such as upgraded cylinder heads and camshafts), this engine can produce **150 200 horsepower** in stock form, depending on tuning and maintenance. The 3.0CS (2800CS) was already a high-performance variant, making it a great base for further upgrades.

- The M30 s naturally aspirated design allows for relatively straightforward modifications, including forced induction (turbo/supercharger) in later years.

3. **Proven Durability (With Proper Care)**

- When maintained correctly, the M30 can last **200,000 miles** or more. Key to longevity is **regular valve adjustments, proper lubrication, and avoiding excessive heat buildup** (common in older BMWs).

- The **cylinder head and camshaft upgrades** (assuming they are high-quality aftermarket parts) can improve efficiency, reduce wear, and enhance performance.

4. **Classic BMW Driving Experience**

- The E3/E9 chassis offers a **lightweight, nimble handling** experience typical of BMWs from this era. The manual transmission (if present) provides engaging driving dynamics.

- The **2800CS** was a luxury grand tourer, combining comfort with sportiness ideal for enthusiasts who appreciate both style and performance.

5. **Restoration and Customization Opportunities**

- BMWs from this era are highly customizable, from **restomod builds** to full restorations. The M30 s simplicity compared to later BMW engines makes it a favorite for DIY mechanics.

- Aftermarket support is strong, with **performance parts, restoration kits, and tuning solutions** widely available.

6. **Investment Potential**

- Well-maintained examples of the **3.0CS/2800CS** (especially in showroom condition) can appreciate in value, particularly if they are **original, low-mileage, or with classic BMW appeal**.

- The **E3/E9 series** is a sought-after collector s item, especially in Europe and among BMW purists.

7. **Lower Running Costs (Compared to Modern Cars)**

- Fuel efficiency is modest ( 12 15 MPG), but parts and labor are **far cheaper** than modern BMWs. Insurance and maintenance costs are also lower than for contemporary luxury cars.

---

#### **Cons**

1. **High Maintenance Requirements**

- **Regular valve adjustments** (every 10,000 15,000 miles to prevent knocking).

- **Timing belt replacement** (critical failure can destroy the engine).

- **Rod bearing checks** (common failure point in older M30s).

- **Cooling system upkeep** (BMWs from this era are prone to overheating if neglected).

- If these are ignored, **engine failure can occur suddenly and expensively**.

2. **Potential for Hidden Issues**

- **Water pump failures** (common in M30s) can lead to overheating and head gasket leaks.

- **Distributor and ignition system wear** (if not upgraded) can cause misfires.

- **Transmission issues** (if automatic) can be costly to repair.

- **Rust** (especially in older E3/E9 chassis) may require frame repairs.

3. **Fuel and Emissions Challenges**

- The M30 runs best on **high-octane fuel (91 octane)**. Poor-quality fuel can cause **detonation and engine damage**.

- **Modern emissions regulations** may require modifications (catalytic converters, OBD-II compliance) if the car is to be driven legally in some regions.

4. **Limited Modern Comforts**

- **Basic interior** (no power steering, basic climate control, or modern safety features).

- **Poor fuel economy** compared to modern cars.

- **No modern electronics** (no Bluetooth, USB, or advanced driver aids).

5. **Parts Availability and Cost**

- While parts exist, **some components (especially for the E3/E9 chassis) can be expensive or hard to find**.

- **Replacement engines** (if needed) can cost **$5,000 $15,000 **, depending on condition.

6. **Driving Limitations**

- **No modern safety features** (no ABS, airbags, or stability control).

- **Poor night visibility** (smaller headlights, no modern lighting tech).

- **Less refined ride** compared to modern BMWs (stiffer suspension, more road noise).

7. **Insurance and Legal Restrictions**

- **Classic car insurance** is often required (and can be expensive if the car is high-value).

- Some **modern emissions zones** may restrict or ban older cars unless modified.

---

### **Ending Conclusion**

Buying a **1968 1974 BMW 3.0CS/2800CS (M30 engine, E3/E9 chassis) with upgraded cylinder heads and camshafts** is a **fantastic choice for an enthusiast** who:

- **Appreciates classic BMW engineering** and is willing to invest time in maintenance.

- **Enjoys driving a well-tuned, naturally aspirated engine** with strong performance potential.

- **Sees value in restoration projects** and customization.

- **Does not mind lower fuel efficiency and modern comfort trade-offs** for the driving experience.

- **Wants a hassle-free, low-maintenance car**.

- **Prioritizes modern safety, fuel economy, or technology**.

- **Cannot commit to regular mechanical upkeep** (valve adjustments, cooling system checks, etc.).

- **Is concerned about long-term reliability without significant investment**.

### **Recommendation**

If you are **passionate about BMWs and willing to put in the work**, this **3.0CS/2800CS with M30 upgrades** is an **excellent investment** both as a **daily driver (with realistic expectations)** and as a **restoration project**. Focus on:

**Thorough pre-purchase inspection** (check for rust, engine condition, transmission, and electrical systems).

**Immediate upgrades** (timing belt, water pump, ignition system, cooling system).

**Regular maintenance** (valve adjustments, oil changes, fuel system cleaning).

**Documentation** (service records, original parts, restoration photos).

For the right buyer, this car offers **unmatched driving pleasure, collectible value, and a rewarding ownership experience**. For others, the **maintenance demands and limitations** may outweigh the benefits.

**Final Verdict:** *Buy if you re prepared for the commitment; otherwise, consider a more modern BMW or a different classic with lower upkeep.*

Details:

ITEM: cylinder head w cam. This is a used original BMW part. 1968-1974 BMW M30 Cylinder Head with Camshaft E3 E9 3.0CS 2800CS OEM: STOCK #: 54137.

Which side does this part fit?, Left Driver side, Right Passenger. Still not sure this part will fit your car. Guaranteed good working condition. Details can be viewed in the photos.

The rocker arms are present and show no obvious damage. The cooling passages contain heavy buildup, so the head should be disassembled and cleaned before use. Most of the exhaust manifold studs are missing and will need to be replaced. Reference to driver/passenger side is for left hand drive cars, so RHD vehicles UK/Japan/Australia, etc. Please reverse the indicated.

Condition: This cylinder head was removed from a 1973 3.0S Bavaria with 24k miles on the odometer. The valve faces are clean with no impact damage. Pickup is at our garage in Morristown, PA 19401. Rarely, large or difficult to package items will take a day two longer.

See the photo below for illustration. The camshaft and valves are included as shown. The visible camshaft bearing surfaces are healthy with no scoring or serious wear. The housing has no noticeable rubbing or cracks, and all mounting points are intact.

part #: 11121250017 prices

• $118.95-$599.99

specifications cylinderheapar:

• for models: M30, E3, E9
• for makes: Bmw
• for years: 1968-1974
• mpn: 11121250017
• type: Cylinder Head Assembly
• items included: Camshaft

offer cylinderheapar:

• started: March 20, 2026
• sold: 0
• quantity: 1
• availability: In Stock
• options: Ship-to-home

shipping cylinderheapar:

• cost: $115.25
• transit: 4-7 Days
• carrier: UPS
• type: Calculated
• service: UPS Ground
• class: Standard

general cylinderheapar:

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

payments cylinderheapar:

• other
• credit card: Discover
• wallet: Paypal

seller cylinderheapar:

• city: Norristown, Pennsylvania
• # reviews: 1991 2
• rating: 99.9%

returns cylinderheapar:

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

Bmw 11121250017 Is Similar To:

• 11121268720 Bmw E21 M10 Cylinder (37.5% similar) Brand new, factory supplied E21 bare head no valves, cam or other fittings. Intake and exhaust studs are in good shape, some corrosion on a couple of. Fits 320 and should fit late cylinder head. Includes seats and guides. Because of the shelf wear I am listing it well below comparable retail...(May 22nd, 2017)
• 11121270360 Bmw Cylinder Head Cover (43.5% similar) ...(February 25th, 2019)
• 11121278702 Bmw Engine Motor Cylinder Head Top End (43.1% similar) Item as described and fast shipping. Great item, fast shipping, well recommended...(October 25th, 2018)
• Rebuilt Engine 1600-2 Head Bmw 1968 (24.3% similar) Since then never put it back. Due to age ,no warranty, no return, sold final...(April 22nd, 2015)
• 236.280 Elring For Bmw Cylinder Head Gasket Set (36.2% similar) With our engine parts you can schedule the repair when it convenient for. Development work at always focuses on the entire engine system. Cylinder-head gaskets chg have a crucial role to play in the advancement of engine technology, particularly with respect high-performance diesel engines and ...(September 1st, 2018)
• 30-027787-20 Goetze For Bmw Driver Side Cylinder Head Gasket (32.9% similar) Location: for 5-8 cylinders. Bead-on-stopper gaskets provide more uniform pressure distribution, reducing in bore distortion and sealing land space requirements over traditional bead next to stopper designs...(October 12th, 2018)
• 54681 Victor Reinz For Bmw Composite Cylinder Head Gasket 027067796301 (36% similar) Oem composite cylinder head gasket by victor rein. Increasing torque and performance with decreasing consumption emissions. As a leader in technology, an original equipment manufacturer transfers all of his expertise, experience and quality into the replacement parts business. Do recognize name on ...(August 16th, 2018)
• 601b Fits Bmw Cylinder Head Nut Set Microcar New (32.8% similar) New cylinder head nut set for bmw 600 and 700 automobiles...(September 15th, 2018)
• 781c Bmw Isetta Cylinder Head Nut Set (37.6% similar) ...(September 28th, 2018)
• Hs4839w Victor Reinz For Bmw Cylinder Head Gasket Set 725975438237 (31.5% similar) Do recognize name on box. How know re getting best price. Won't those concerns with replacement. With a broad product palette, victor rein supplies cylinder head gaskets for all conventional passenger car and commercial vehicle engines. The development goals in engine construction determine ...(August 18th, 2018)
• Hs54731a Victor Reinz For Bmw Cylinder Head Gasket Set 027067840721 (31.3% similar) As a leader in technology, an original equipment manufacturer transfers all of his expertise, experience and quality into the replacement parts business. It carries everything from gaskets and seals to repair oil leaks, engine control system sensors make that dash light go out, parts like camshafts ...(August 19th, 2018)