fits model: Z3, M44. make: Bmw. year: 1996–1998.

( Manufacturer Part Number: 11009070733 ), ( Oe/oem Part Number: 11009070732 / 1100 9070732 / 1100 9 070 732 ), ( Block Type: Straight ), ( Drive Type: Rwd ), ( Bundle Listing: No ), ( Engine Size: 1.9 L ), ( Fitment Type: Direct Replacement ), ( Fuel Type: Gasoline ), ( Ipn: 11001743972 ), ( Items Included: Camshaft ), ( Number Of Valves: 16 ), ( Type: Engine )
The BMW Z3 (11009070733) is an iconic two-seater roadster produced by BMW between 1996 and 1998. Powering this agile and stylish vehicle is the M44 1.9L L4 gas DOHC 16-valve engine (motor code: 128K). This engine is known for its exceptional performance and fuel efficiency.
The M44 engine features a double-overhead camshaft design, which means each camshaft is driven by its own separate drive mechanism. This design allows for more efficient valve actuation, resulting in optimal engine performance. The four cylinders in the engine are arranged in a line, allowing for a compact and balanced layout.
The 1.9L displacement of the engine is achieved through a bore and stroke measurement of 74.0 x 83.0 mm. The engine produces a maximum power output of approximately 115 horsepower at 5,800 rpm and 132 lb-ft of torque at 3,900 rpm. These impressive power figures provide the Z3 with responsive acceleration and a satisfying driving experience.
The M44 engine's DOHC design also allows for the implementation of four valves per cylinder, which improves the engine's breathing efficiency. This results in better combustion and increased power output. Additionally, the engine's 16 valves are actuated by a combination of chain and belt drives, ensuring reliable and consistent valve operation.
Another notable feature of the M44 engine is its multi-point fuel injection system. This system delivers fuel directly to each cylinder, allowing for precise and efficient fuel delivery. The engine's electronic control unit (ECU) continuously monitors engine parameters and adjusts fuel delivery accordingly, ensuring optimal engine performance and fuel efficiency.
The BMW Z3's M44 engine is a testament to BMW's engineering prowess and a key contributor to the vehicle's iconic status. Its compact size, impressive power output, and fuel efficiency make it a favorite among driving enthusiasts and collectors alike. Whether you're looking for a daily driver or a weekend toy, the BMW Z3 with the M44 engine is an excellent choice.
Buying a BMW Z3 (11009070733) with a 1.9L L4 gas DOHC 16V M44 engine motor that has covered approximately 128,000 kilometers (79,536 miles) involves considering various pros and cons. This engine was used in BMW Z3 models from 1996 to 1998.
Pros:1. Fuel Efficiency: This engine is known for its good fuel economy, making it an economical choice for those looking to save on fuel costs.
2. Power and Performance: The M44 engine offers good power and responsiveness, delivering a driving experience that is engaging and fun.
3. Reliability: BMW engines are generally renowned for their reliability, and the M44 engine is no exception. Many owners report minimal issues with their engines.
4. Maintenance: The engine is relatively easy to maintain, and replacement parts are readily available.
5. Desirability: Owning a BMW Z3 with a well-maintained M44 engine adds to the vehicle's desirability and resale value.
Cons:1. Age and Wear: A 128,000 km (79,536 miles) engine has naturally accumulated some wear and tear, which may require additional maintenance and repairs.
2. Cooling System: The M44 engine is known to have issues with its cooling system, which can cause overheating and require expensive repairs.
3. Timing Chain: Some owners report issues with the timing chain, which can lead to engine misfires and require replacement.
4. Catalytic Converter: The catalytic converter in these engines can fail, leading to expensive repairs and reduced performance.
5. Electrical Issues: BMWs are known to have complex electrical systems, which can lead to issues that may require professional diagnosis and repair.
Conclusion:Owning a BMW Z3 with a 1.9L L4 gas DOHC 16V M44 engine motor that has covered around 128,000 kilometers (79,536 miles) comes with its advantages and disadvantages. While the engine offers good fuel efficiency, power, and reliability, it also presents the risk of cooling system issues, timing chain problems, catalytic converter failure, and electrical complications.
Recommendation:If you are considering purchasing a BMW Z3 with a 1.9L L4 gas DOHC 16V M44 engine motor that has covered 128,000 kilometers (79,536 miles), it is essential to conduct a thorough inspection of the vehicle's history, including maintenance records, repair history, and any known issues. A pre-purchase inspection from a reputable BMW mechanic is also highly recommended to ensure that any potential problems are identified and addressed before purchasing the vehicle. Additionally, consider setting aside a budget for any potential repairs that may be required in the future. Overall, the BMW Z3 with an M44 engine can be a rewarding and enjoyable vehicle to own, but proper due diligence and preparation are essential to minimize the risks associated with its age and wear.
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