11117503561 BMW Engine Cylinder Block E46 Z3 323I

Review BMW Aluminum Engine Cylinder Block Bare 2.3 Oem for E46 Z3 323I 2000

The BMW M52TUB25 engine cylinder block is a crucial component of the 2.3-liter 323i engine found in various BMW models such as the E46 Z3. This particular cylinder block, with the part number 11117503561, is designed for use in pre-2000 models of the E46 generation.

The M52TUB25 engine cylinder block is made of high-strength materials, ensuring durability and longevity. It houses five cylinders, each with an integral cylinder liner that eliminates the need for separate liners. The cylinder bores are precision-machined for optimal engine performance and to ensure a snug fit for the piston rings.

The cylinder block is also equipped with water jacket passages that facilitate efficient cooling of the engine. It includes a crankshaft bore for the crankshaft to sit in, and it is designed to accept the crankshaft bearing shells. The cylinder block also includes various mounting points for the engine accessories such as the oil pump, water pump, and alternator.

Additionally, the M52TUB25 cylinder block features a closed-deck design, which means the cylinder bores are sealed off from the crankcase. This design helps to improve the engine's rigidity and overall performance. The cylinder block also includes threaded holes for the installation of the piston connecting rods.

This BMW engine cylinder block is suitable for use in rebuild projects, engine swaps, or as a replacement for a damaged or worn-out cylinder block. It is important to note that this is a bare cylinder block and does not include any additional components such as the crankshaft, pistons, or connecting rods. These components must be purchased separately to complete the engine build.

In summary, the BMW M52TUB25 engine cylinder block, part number 11117503561, is a critical component of the 2.3-liter 323i engine found in various E46 models. It is made of high-strength materials, features a closed-deck design, and includes various mounting points for engine accessories. This cylinder block is suitable for use in rebuild projects or as a replacement for a damaged or worn-out cylinder block.

Buying a BMW E46 2.3 32i M52TUB25 engine cylinder block bare can be a viable option for car enthusiasts or professionals who want to rebuild or upgrade their existing BMW E46 engines. Here are some potential pros and cons to consider before making a purchase:

1. Cost-effective: Buying a bare cylinder block can be more cost-effective than purchasing a complete engine or even a rebuilt one, as you only pay for the part you need.

2. Customizable: A bare cylinder block allows you to customize the engine to your specific needs or preferences, such as using aftermarket parts or upgrading components.

3. Availability: Aftermarket suppliers often have a wide selection of BMW engine cylinder blocks in stock, making it easier to find the right part for your specific model and year.

4. Quality: Aftermarket cylinder blocks are often manufactured to meet or exceed OEM specifications, ensuring a high level of quality and durability.

1. Complexity: Rebuilding an engine from a bare cylinder block can be a complex and time-consuming process, requiring specialized tools and knowledge.

2. Risk: There is always a risk involved with purchasing aftermarket parts, as the quality and fit can vary between suppliers.

3. Compatibility: Ensure that the cylinder block is compatible with your specific BMW model and year, as well as any other upgrades or modifications you have made to the engine.

4. Shipping: Shipping a heavy and delicate part like a cylinder block can be expensive and carries the risk of damage during transport.

In conclusion, buying a BMW E46 2.3 32i M52TUB25 engine cylinder block bare can be a good option for those who want to save money, customize their engine, or have the skills and resources to rebuild it themselves. However, it also comes with some risks and challenges, such as complexity, compatibility, and shipping. Before making a purchase, it is important to thoroughly research the supplier, ensure compatibility with your specific BMW model and year, and consider the potential costs and time involved in the rebuild process. Ultimately, the decision to buy a bare cylinder block is a personal one that depends on your budget, expertise, and goals for your BMW.

Details:

Which side does this part fit?, left driver side, right passenger. Reference to driver/passenger side is for left hand drive cars, so RD vehicles UK/japan/Australia, etc. Please reverse the indicated. Cooling passages are smooth and free from scale buildup. The exterior has no rubbing or cracks and all mounting points are intact.

Cylinder bores are smooth and healthy original crosshatch honing marks visible. This is a used original Bmw part. Main bearing caps are included as shown. 2000 Bmw M52TUB25 aluminum engine cylinder block bare E46 Z3 2.3 323I oem: stock #: 53256.

Item: engine block, 103k. Details can be viewed in the photos. See the photo below for illustration. Condition: this aluminum engine cylinder block was taken from a running 2000 Z3 2.3 roadster with 103k miles.

Still not sure this part will fit your car. Oe part #. Pistons and crankshaft are not included. Rarely, large or difficult to package items will take a day two longer.

Guaranteed good working condition. There are no deep scrapes or scuffs.

specifications engineblocksam:

• for models: E46, Z3, 323i
• for years: 2000
• brand: Bmw
• mpn: 11117503561
• type: Engine Block
• material: Aluminum

general engineblocksam:

• category: Auto Parts > Car Truck Accessories > Engines > Blocks

seller engineblocksam:

• # reviews: 18854
• rating: 99.9%
• city: norristown, pennsylvania

shipping engineblocksam:

• transit: 2-6 days
• type: calculated
• carrier: ups
• service: ups ground
• class: standard

offer engineblocksam:

• sold #: 14
• in stock #: 2
• availability: in stock
• prices: $300.00–$3421.98
• item condition:
  • Used
  • New
• started: january 8, 2026
• options: ship-to-home

payments engineblocksam:

• wallet: paypal
• credit card: diners-club
• other

returns engineblocksam:

• policy: returns accepted
• paid by: buyer
• time: 30 days