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Most Common Car Issues

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Engine Manufacturer
BMW-AG
Model
525i

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Engine Brake (hp) From
Engine Model
Engine Number of Cylinders
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Model Year

MOST COMMON PROBLEMS

BMW 525i 1993

The 1993 BMW 525i Touring Wagon is a classic passenger car powered by a 2.5-liter, 6-cylinder engine producing 188 hp. Manufactured in Dingolfing, Germany, this model features a manual seat belt system and a driver supplemental restraint system (SRS). Known for its spacious interior and practical design, it remains a beloved choice for BMW enthusiasts.

Spec:

Engine Brake (hp) From
188
Engine Manufacturer
BMW-AG
Engine Model
4-Value
Engine Number of Cylinders
6

Problems:

Oil leaks
The 1993 BMW 525i, with its 6-cylinder engine, is known for oil leaks, particularly from the valve cover gasket and oil pan gasket.
Cooling system failure
The cooling system components such as the water pump, radiator, and thermostat can fail, leading to potential overheating issues.
Vacuum leaks
Age and wear can cause vacuum hoses to crack and leak, leading to rough idling and poor fuel economy.
Timing belt/chain issues
The timing chain tensioner and guides in this engine can wear out, causing noise and potentially severe engine damage if not addressed.
Mass air flow sensor failure
The MAF sensor can fail, causing performance issues and check engine light warnings.
Fuel pump failure
The fuel pump may fail over time, leading to starting issues or stalling.
Electrical problems
Aging electrical components, including sensors and wiring, can lead to various engine performance issues.
Head gasket failure
High mileage and overheating can lead to head gasket failure, causing coolant leaks and engine misfires.
BMW 525i 1993

The 1993 BMW 525i Touring Wagon offers a blend of practicality and performance. Powered by a 2.5L inline-six engine delivering 188 hp, this classic BMW combines the brand’s signature driving dynamics with the versatility of a wagon body style. Manufactured in Dingolfing, Germany, it features a manual seat belt system and a supplemental restraint system (SRS) for added safety. Ideal for those who appreciate both BMW engineering and the convenience of a spacious vehicle.

Spec:

Engine Brake (hp) From
188
Engine Manufacturer
BMW-AG
Engine Model
4-Value
Engine Number of Cylinders
6

Problems:

Oil leaks
The 1993 BMW 525i, with its 6-cylinder engine, is known for oil leaks, particularly from the valve cover gasket and oil pan gasket.
Cooling system failure
The cooling system components such as the water pump, radiator, and thermostat can fail, leading to potential overheating issues.
Vacuum leaks
Age and wear can cause vacuum hoses to crack and leak, leading to rough idling and poor fuel economy.
Timing belt/chain issues
The timing chain tensioner and guides in this engine can wear out, causing noise and potentially severe engine damage if not addressed.
Mass air flow sensor failure
The MAF sensor can fail, causing performance issues and check engine light warnings.
Fuel pump failure
The fuel pump may fail over time, leading to starting issues or stalling.
Electrical problems
Aging electrical components, including sensors and wiring, can lead to various engine performance issues.
Head gasket failure
High mileage and overheating can lead to head gasket failure, causing coolant leaks and engine misfires.
BMW 525i 1992

The 1992 BMW 525i is a classic sedan from the renowned 5-Series lineup. It features a 2.5L inline-6 engine producing 189 horsepower. With four doors and manual seat belts, it offers a blend of performance and safety. This model is equipped with a Driver Supplemental Restraint System (SRS) and runs on gasoline.

Spec:

Engine Brake (hp) From
189.00
Engine Manufacturer
BMW-AG
Engine Model
4-Value
Engine Number of Cylinders
6

Problems:

Oil leaks
Older BMW engines, such as the one in the 1992 525i, are prone to oil leaks from the valve cover gasket, oil pan gasket, and rear main seal.
Cooling system failures
The cooling system, including the radiator, water pump, and thermostat, may fail over time, leading to overheating issues.
Vanos system issues
The variable valve timing system (VANOS) can develop problems, leading to rough idling, loss of power, and poor fuel economy.
Head gasket failure
High mileage and overheating can lead to head gasket failure, causing coolant and oil to mix and leading to significant engine damage.
Timing chain wear
The timing chain and its associated components can wear out, leading to rattling noises and potential engine performance issues.
Fuel injector problems
Clogged or failing fuel injectors can cause poor engine performance, misfires, and reduced fuel efficiency.
Spark plug and ignition coil issues
Worn spark plugs and failing ignition coils can lead to misfires, rough running, and difficulty starting the engine.
BMW 525i 1994

The 1994 BMW 525i is a classic sedan from the 5-Series lineup, powered by a 2.5L 6-cylinder engine delivering 188 hp. Manufactured by BMW AG, this model features a 4-door configuration and includes safety amenities such as driver and passenger airbags. It runs on gasoline and falls under the Class 1 weight category, making it a solid choice for those seeking performance and reliability in a passenger car.

Spec:

Engine Brake (hp) From
188
Engine Manufacturer
BMW-AG
Engine Model
4-Value
Engine Number of Cylinders
6

Problems:

Oil leaks
The 1994 BMW 525i commonly experiences oil leaks due to worn gaskets and seals, particularly around the valve cover and oil pan.
Cooling system issues
The cooling system, including the radiator, water pump, and thermostat, is prone to failure, leading to overheating problems.
Vacuum leaks
Vacuum hoses and intake manifold gaskets can deteriorate over time, causing rough idling and poor engine performance.
Valve cover gasket failure
The valve cover gasket often fails, leading to oil leaks and potential contamination of the spark plugs.
Crankshaft position sensor failure
This sensor can fail, causing the engine to stall or not start.
Timing chain tensioner problems
The timing chain tensioner may wear out, leading to timing chain noise and potential engine damage if not addressed.
Fuel pump issues
The fuel pump can fail or become weak, leading to poor fuel delivery and engine performance problems.
Mass air flow (maf) sensor failure
A faulty MAF sensor can cause issues with air-fuel mixture, leading to stalling, rough idling, and poor fuel economy.
Ignition coil problems
The ignition coils can fail, leading to misfires and poor engine performance.
BMW 525i 1995

The 1995 BMW 525i is a classic sedan with a 2.5L inline-6 engine producing 188 hp. Designed and manufactured in Germany, this 5-Series model offers safety features like front airbags and a Supplemental Restraint System (SRS) for both driver and passenger. With its sleek design and reliable performance, it remains a standout in the sedan category.

Spec:

Engine Brake (hp) From
188
Engine Manufacturer
BMW-AG
Engine Model
4-Value
Engine Number of Cylinders
6

Problems:

Oil leaks
The BMW 525i from 1995 often experiences oil leaks due to aging gaskets and seals, especially around the valve cover and oil pan.
Cooling system issues
The cooling system, including the radiator and water pump, can become problematic due to wear and tear, leading to overheating issues.
Vanos system failure
The Variable Nockenwellen Steuerung (VANOS) system, which adjusts the timing of the camshaft, can fail, causing rough idling and loss of power.
Crankcase ventilation problems
The crankcase ventilation system may become clogged or fail, leading to increased oil consumption and potential engine performance issues.
Ignition coil failure
The ignition coils can fail, causing misfires, rough running, and reduced engine performance.
Timing chain wear
Over time, the timing chain and its components can wear out, leading to noise and potential engine damage if not addressed.
Fuel injector issues
Fuel injectors can become clogged or fail, causing poor fuel economy, rough idling, and reduced performance.
Oxygen sensor failure
Oxygen sensors can fail, leading to incorrect fuel mixture readings and potentially causing increased emissions and poor fuel efficiency.
Mass air flow sensor problems
The mass air flow sensor can become dirty or fail, resulting in incorrect air-fuel mixture and poor engine performance.
Throttle body issues
The throttle body can become dirty or malfunction, leading to poor throttle response and stalling.
BMW 525i 1993

The 1993 BMW 525i is a classic sedan from the renowned 5-Series, boasting a 2.5L inline-six engine with 188 hp. Manufactured in Dingolfing, Germany, this model features a 4-door body style and uses gasoline as its primary fuel type. With a gross vehicle weight rating under 6,000 lbs, it also includes a driver supplemental restraint system (SRS) for added safety.

Spec:

Engine Brake (hp) From
188
Engine Manufacturer
BMW-AG
Engine Model
4-Value
Engine Number of Cylinders
6

Problems:

Oil leaks
The 1993 BMW 525i, with its 6-cylinder engine, is known for oil leaks, particularly from the valve cover gasket and oil pan gasket.
Cooling system failure
The cooling system components such as the water pump, radiator, and thermostat can fail, leading to potential overheating issues.
Vacuum leaks
Age and wear can cause vacuum hoses to crack and leak, leading to rough idling and poor fuel economy.
Timing belt/chain issues
The timing chain tensioner and guides in this engine can wear out, causing noise and potentially severe engine damage if not addressed.
Mass air flow sensor failure
The MAF sensor can fail, causing performance issues and check engine light warnings.
Fuel pump failure
The fuel pump may fail over time, leading to starting issues or stalling.
Electrical problems
Aging electrical components, including sensors and wiring, can lead to various engine performance issues.
Head gasket failure
High mileage and overheating can lead to head gasket failure, causing coolant leaks and engine misfires.
BMW 525i 1993

The 1993 BMW 525i is a classic sedan from the renowned 5-Series lineup, featuring a 2.5L inline-6 engine that produces 188 hp. Manufactured in Dingolfing, Germany, this model offers a blend of performance and luxury, complete with manual seat belts and a Supplemental Restraint System (SRS) for added safety.

Spec:

Engine Brake (hp) From
188
Engine Manufacturer
BMW-AG
Engine Model
4-Value
Engine Number of Cylinders
6

Problems:

Oil leaks
The 1993 BMW 525i, with its 6-cylinder engine, is known for oil leaks, particularly from the valve cover gasket and oil pan gasket.
Cooling system failure
The cooling system components such as the water pump, radiator, and thermostat can fail, leading to potential overheating issues.
Vacuum leaks
Age and wear can cause vacuum hoses to crack and leak, leading to rough idling and poor fuel economy.
Timing belt/chain issues
The timing chain tensioner and guides in this engine can wear out, causing noise and potentially severe engine damage if not addressed.
Mass air flow sensor failure
The MAF sensor can fail, causing performance issues and check engine light warnings.
Fuel pump failure
The fuel pump may fail over time, leading to starting issues or stalling.
Electrical problems
Aging electrical components, including sensors and wiring, can lead to various engine performance issues.
Head gasket failure
High mileage and overheating can lead to head gasket failure, causing coolant leaks and engine misfires.
BMW 525i 2001

The 2001 BMW 525i Sedan offers a 2.5L inline-6 engine producing 184 hp. Manufactured in Dingolfing, Germany, this 5-Series model features dual-stage advanced SRS for both driver and passenger. With a focus on safety and performance, it remains a classic choice for enthusiasts of the brand.

Spec:

Engine Brake (hp) From
184
Engine Manufacturer
BMW-AG
Engine Number of Cylinders
6

Problems:

Oil leaks
BMW engines, particularly the M54 found in the 2001 525i, are notorious for oil leaks, often from the valve cover gasket and oil filter housing gasket.
Cooling system issues
The cooling system components, such as the radiator, water pump, and expansion tank, tend to fail over time, leading to overheating.
Vanos problems
The variable valve timing system (VANOS) can suffer from issues, including rattling noises and performance loss, due to worn seals or solenoids.
Crankcase ventilation system failure
The crankcase ventilation system (CCV) can become clogged or fail, leading to poor engine performance and oil consumption.
Ignition coil failure
Ignition coils in these models can fail over time, causing misfires and rough engine performance.
Mass air flow sensor issues
The mass air flow (MAF) sensor can become dirty or fail, resulting in rough idling, stalling, and poor fuel economy.
Fuel pump failure
The fuel pump may wear out and fail, causing the engine to run poorly or not start at all.
Oxygen sensor failure
Faulty oxygen sensors can lead to poor fuel economy and increased emissions.
Intake manifold gasket leaks
The intake manifold gaskets can deteriorate and cause vacuum leaks, leading to rough idling and poor engine performance.
Thermostat failure
The thermostat can fail in the open or closed position, causing the engine to overheat or run too cool.
BMW 525i 2002

The 2002 BMW 525i Sport Wagon features a 2.5L inline-6 engine producing 184 hp. Manufactured in Dingolfing, Germany, it offers a blend of luxury and performance with advanced safety systems. This 4-door wagon is ideal for those seeking a practical yet stylish vehicle. Powered by gasoline, it falls under Class 1 with a weight rating of 6,000 lbs or less.

Spec:

Engine Brake (hp) From
184
Engine Manufacturer
BMW-AG
Engine Number of Cylinders
6

Problems:

Oil leaks
Common in older BMW engines, often due to worn gaskets and seals.
Cooling system failures
Issues with the radiator, water pump, and thermostat can cause overheating.
Vanos problems
VANOS (variable valve timing) units can fail, leading to rough idling and power loss.
Crankcase ventilation problems
The crankcase ventilation system can get clogged, causing oil leaks and pressure issues.
Electronic throttle body issues
Can cause erratic idling and throttle response problems.
Fuel pump failures
Can lead to starting issues and engine stalling.
Ignition coil failures
Often cause misfires and poor engine performance.
Timing chain tensioner failures
Can lead to timing chain slack and potential engine damage.
BMW 525i 1993

The 1993 BMW 525i Touring Wagon is a robust and versatile vehicle with a 2.5L inline-6 engine delivering 188 hp. Manufactured in Dingolfing, Germany, this classic 5-Series model embodies BMW's engineering excellence. With four doors and a manual seat belt system, it offers a blend of safety and performance. Ideal for those who appreciate a blend of style and practicality in a passenger car.

Spec:

Engine Brake (hp) From
188
Engine Manufacturer
BMW-AG
Engine Model
4-Value
Engine Number of Cylinders
6

Problems:

Oil leaks
The 1993 BMW 525i, with its 6-cylinder engine, is known for oil leaks, particularly from the valve cover gasket and oil pan gasket.
Cooling system failure
The cooling system components such as the water pump, radiator, and thermostat can fail, leading to potential overheating issues.
Vacuum leaks
Age and wear can cause vacuum hoses to crack and leak, leading to rough idling and poor fuel economy.
Timing belt/chain issues
The timing chain tensioner and guides in this engine can wear out, causing noise and potentially severe engine damage if not addressed.
Mass air flow sensor failure
The MAF sensor can fail, causing performance issues and check engine light warnings.
Fuel pump failure
The fuel pump may fail over time, leading to starting issues or stalling.
Electrical problems
Aging electrical components, including sensors and wiring, can lead to various engine performance issues.
Head gasket failure
High mileage and overheating can lead to head gasket failure, causing coolant leaks and engine misfires.
BMW 525i 2002

The 2002 BMW 525i Sport Wagon is a versatile and powerful vehicle, featuring a 2.5L inline-6 engine that delivers 184 horsepower. Manufactured in Germany, this wagon combines BMW's engineering excellence with practical utility, offering four doors and advanced safety features like dual-stage airbags. With a gross vehicle weight rating under 6,000 lbs, this car is designed for agility and efficiency.

Spec:

Engine Brake (hp) From
184
Engine Manufacturer
BMW-AG
Engine Number of Cylinders
6

Problems:

Oil leaks
Common in older BMW engines, often due to worn gaskets and seals.
Cooling system failures
Issues with the radiator, water pump, and thermostat can cause overheating.
Vanos problems
VANOS (variable valve timing) units can fail, leading to rough idling and power loss.
Crankcase ventilation problems
The crankcase ventilation system can get clogged, causing oil leaks and pressure issues.
Electronic throttle body issues
Can cause erratic idling and throttle response problems.
Fuel pump failures
Can lead to starting issues and engine stalling.
Ignition coil failures
Often cause misfires and poor engine performance.
Timing chain tensioner failures
Can lead to timing chain slack and potential engine damage.
BMW 525i 1995

The 1995 BMW 525i is a classic sedan with a 2.5L inline-six engine producing 188 hp. Manufactured in Dingolfing, Germany, it features a 4-door configuration and offers front airbags and manual seat belts for safety. This model belongs to the renowned 5-Series and runs on gasoline.

Spec:

Engine Brake (hp) From
188
Engine Manufacturer
BMW-AG
Engine Model
4-Value
Engine Number of Cylinders
6

Problems:

Oil leaks
The BMW 525i from 1995 often experiences oil leaks due to aging gaskets and seals, especially around the valve cover and oil pan.
Cooling system issues
The cooling system, including the radiator and water pump, can become problematic due to wear and tear, leading to overheating issues.
Vanos system failure
The Variable Nockenwellen Steuerung (VANOS) system, which adjusts the timing of the camshaft, can fail, causing rough idling and loss of power.
Crankcase ventilation problems
The crankcase ventilation system may become clogged or fail, leading to increased oil consumption and potential engine performance issues.
Ignition coil failure
The ignition coils can fail, causing misfires, rough running, and reduced engine performance.
Timing chain wear
Over time, the timing chain and its components can wear out, leading to noise and potential engine damage if not addressed.
Fuel injector issues
Fuel injectors can become clogged or fail, causing poor fuel economy, rough idling, and reduced performance.
Oxygen sensor failure
Oxygen sensors can fail, leading to incorrect fuel mixture readings and potentially causing increased emissions and poor fuel efficiency.
Mass air flow sensor problems
The mass air flow sensor can become dirty or fail, resulting in incorrect air-fuel mixture and poor engine performance.
Throttle body issues
The throttle body can become dirty or malfunction, leading to poor throttle response and stalling.
BMW 525i 1992

The 1992 BMW 525iT Touring Wagon is a classic model from the 5-Series, boasting a 2.5L engine with 188 horsepower. Manufactured in Dingolfing, Germany, this 4-door wagon features a 6-cylinder engine and a manual seat belt system, making it a blend of performance and practicality.

Spec:

Engine Brake (hp) From
188
Engine Manufacturer
BMW-AG
Engine Model
4-Value
Engine Number of Cylinders
6

Problems:

Oil leaks
Common in older BMW engines, often due to worn gaskets or seals.
Cooling system failure
Radiator, water pump, and thermostat issues can lead to overheating.
Timing chain tensioner failure
Can cause rattling noises and potential engine damage if not addressed.
Fuel injector issues
Can lead to rough idling, reduced fuel efficiency, and misfires.
Vacuum leaks
Often due to cracked or brittle hoses, leading to poor engine performance.
Oxygen sensor failure
Can cause poor fuel economy and increased emissions.
BMW 525i 1993

The 1993 BMW 525i Touring Wagon is a classic example of German engineering, featuring a 2.5L inline-6 engine producing 188 horsepower. Manufactured in Dingolfing, Germany, this 5-Series model offers a blend of performance and practicality with its spacious design and robust build. Ideal for those who appreciate a balance of luxury and functionality in a vehicle.

Spec:

Engine Brake (hp) From
188
Engine Manufacturer
BMW-AG
Engine Model
4-Value
Engine Number of Cylinders
6

Problems:

Oil leaks
The 1993 BMW 525i, with its 6-cylinder engine, is known for oil leaks, particularly from the valve cover gasket and oil pan gasket.
Cooling system failure
The cooling system components such as the water pump, radiator, and thermostat can fail, leading to potential overheating issues.
Vacuum leaks
Age and wear can cause vacuum hoses to crack and leak, leading to rough idling and poor fuel economy.
Timing belt/chain issues
The timing chain tensioner and guides in this engine can wear out, causing noise and potentially severe engine damage if not addressed.
Mass air flow sensor failure
The MAF sensor can fail, causing performance issues and check engine light warnings.
Fuel pump failure
The fuel pump may fail over time, leading to starting issues or stalling.
Electrical problems
Aging electrical components, including sensors and wiring, can lead to various engine performance issues.
Head gasket failure
High mileage and overheating can lead to head gasket failure, causing coolant leaks and engine misfires.
BMW 525i 2002

The 2002 BMW 525i is a classic sedan with a 2.5L inline-six engine producing 184 horsepower. Manufactured in Dingolfing, Germany, it boasts advanced safety features like dual-stage airbags and manual seat belts. This model belongs to BMW's 5 Series and runs on gasoline.

Spec:

Engine Brake (hp) From
184
Engine Manufacturer
BMW-AG
Engine Number of Cylinders
6

Problems:

Oil leaks
Common in older BMW engines, often due to worn gaskets and seals.
Cooling system failures
Issues with the radiator, water pump, and thermostat can cause overheating.
Vanos problems
VANOS (variable valve timing) units can fail, leading to rough idling and power loss.
Crankcase ventilation problems
The crankcase ventilation system can get clogged, causing oil leaks and pressure issues.
Electronic throttle body issues
Can cause erratic idling and throttle response problems.
Fuel pump failures
Can lead to starting issues and engine stalling.
Ignition coil failures
Often cause misfires and poor engine performance.
Timing chain tensioner failures
Can lead to timing chain slack and potential engine damage.
BMW 525i 1995

The 1995 BMW 525i is a classic 5-Series sedan featuring a 2.5L inline-six engine producing 188 horsepower. Manufactured in Dingolfing, Germany, this passenger car comes equipped with a manual seat belt system and front airbags for both driver and passenger. With a gross vehicle weight rating of 6,000 lbs or less, it runs on gasoline and offers a blend of performance and safety typical of BMW engineering.

Spec:

Engine Brake (hp) From
188
Engine Manufacturer
BMW-AG
Engine Model
4-Value
Engine Number of Cylinders
6

Problems:

Oil leaks
The BMW 525i from 1995 often experiences oil leaks due to aging gaskets and seals, especially around the valve cover and oil pan.
Cooling system issues
The cooling system, including the radiator and water pump, can become problematic due to wear and tear, leading to overheating issues.
Vanos system failure
The Variable Nockenwellen Steuerung (VANOS) system, which adjusts the timing of the camshaft, can fail, causing rough idling and loss of power.
Crankcase ventilation problems
The crankcase ventilation system may become clogged or fail, leading to increased oil consumption and potential engine performance issues.
Ignition coil failure
The ignition coils can fail, causing misfires, rough running, and reduced engine performance.
Timing chain wear
Over time, the timing chain and its components can wear out, leading to noise and potential engine damage if not addressed.
Fuel injector issues
Fuel injectors can become clogged or fail, causing poor fuel economy, rough idling, and reduced performance.
Oxygen sensor failure
Oxygen sensors can fail, leading to incorrect fuel mixture readings and potentially causing increased emissions and poor fuel efficiency.
Mass air flow sensor problems
The mass air flow sensor can become dirty or fail, resulting in incorrect air-fuel mixture and poor engine performance.
Throttle body issues
The throttle body can become dirty or malfunction, leading to poor throttle response and stalling.
BMW 525i 1995

The 1995 BMW 525iT Touring Wagon is a versatile and stylish passenger car featuring a powerful 2.5L inline 6-cylinder engine with 188 hp. Manufactured by BMW AG in Dingolfing, Germany, this 5-Series model offers ample space with four doors and a robust body class. Safety is prioritized with front airbags and a supplemental restraint system for both driver and passenger. Powered by gasoline, this wagon is perfect for those seeking a blend of performance and practicality.

Spec:

Engine Brake (hp) From
188
Engine Manufacturer
BMW-AG
Engine Model
4-Value
Engine Number of Cylinders
6

Problems:

Oil leaks
The BMW 525i from 1995 often experiences oil leaks due to aging gaskets and seals, especially around the valve cover and oil pan.
Cooling system issues
The cooling system, including the radiator and water pump, can become problematic due to wear and tear, leading to overheating issues.
Vanos system failure
The Variable Nockenwellen Steuerung (VANOS) system, which adjusts the timing of the camshaft, can fail, causing rough idling and loss of power.
Crankcase ventilation problems
The crankcase ventilation system may become clogged or fail, leading to increased oil consumption and potential engine performance issues.
Ignition coil failure
The ignition coils can fail, causing misfires, rough running, and reduced engine performance.
Timing chain wear
Over time, the timing chain and its components can wear out, leading to noise and potential engine damage if not addressed.
Fuel injector issues
Fuel injectors can become clogged or fail, causing poor fuel economy, rough idling, and reduced performance.
Oxygen sensor failure
Oxygen sensors can fail, leading to incorrect fuel mixture readings and potentially causing increased emissions and poor fuel efficiency.
Mass air flow sensor problems
The mass air flow sensor can become dirty or fail, resulting in incorrect air-fuel mixture and poor engine performance.
Throttle body issues
The throttle body can become dirty or malfunction, leading to poor throttle response and stalling.
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