The RX-7's rotary engine can suffer from wear and scoring of the rotor housing, leading to compression loss and reduced power.

The apex seals in the rotary engine are prone to wear and breakage, which can result in poor engine performance and starting issues.

Coolant seals may degrade over time, causing coolant to leak into the combustion chamber or oil system, potentially leading to overheating or engine damage.

Rotary engines tend to consume more oil than piston engines, which can lead to frequent oil changes and monitoring.

Vacuum hoses and connections can become brittle and leak over time, causing inconsistent engine performance and idle issues.

The ignition system, including spark plugs and ignition coils, may require frequent maintenance due to the high-revving nature of the rotary engine.

Dirty or failing fuel injectors can cause poor fuel delivery, leading to rough idling, misfires, and decreased fuel efficiency.

Rotary engines may produce higher emissions, which could lead to difficulty passing emissions tests and potential legal issues.

The RX-7's rotary engine can produce a lot of heat, necessitating a well-maintained cooling system to prevent overheating and maintain performance.

The rotary engine's design often results in lower fuel efficiency compared to conventional piston engines, leading to higher running costs.

The 1987 BMW 325iS is known for oil leaks, particularly from the valve cover gasket and oil pan gasket due to aging seals.

These models can suffer from overheating issues, often due to a failing thermostat, water pump, or radiator.

The timing belt may wear out or fail if not replaced at the recommended intervals, leading to potential engine damage.

Aging hoses and gaskets can cause vacuum leaks, leading to rough idling and poor engine performance.

Issues with the distributor, spark plugs, or ignition coil can cause misfires and reduced engine performance.

Problems with the fuel pump, fuel injectors, or fuel filter can result in poor fuel delivery and reduced engine efficiency.

Leaks in the cooling system, such as from the radiator, heater core, or hoses, can lead to coolant loss and overheating.

A failing crankshaft position sensor can cause the engine to stall or not start.

Common in older BMW engines, often from valve cover gasket, oil pan gasket, or rear main seal.

Radiator, water pump, and thermostat failures can lead to overheating.

Can cause rough idling or poor engine performance; often from cracked hoses or intake manifold gaskets.

Can lead to engine misfires or severe engine damage if not replaced according to schedule.

Clogged or leaking injectors can cause poor fuel economy and engine misfires.

Worn spark plugs, faulty ignition coils, or distributor issues can lead to starting problems and rough running.

Can cause poor engine performance and fuel economy.

The 1987 BMW 325iS is known for oil leaks, particularly from the valve cover gasket and oil pan gasket due to aging seals.

These models can suffer from overheating issues, often due to a failing thermostat, water pump, or radiator.

The timing belt may wear out or fail if not replaced at the recommended intervals, leading to potential engine damage.

Aging hoses and gaskets can cause vacuum leaks, leading to rough idling and poor engine performance.

Issues with the distributor, spark plugs, or ignition coil can cause misfires and reduced engine performance.

Problems with the fuel pump, fuel injectors, or fuel filter can result in poor fuel delivery and reduced engine efficiency.

Leaks in the cooling system, such as from the radiator, heater core, or hoses, can lead to coolant loss and overheating.

A failing crankshaft position sensor can cause the engine to stall or not start.

Common in older BMW engines, often due to failing water pumps, clogged radiators, or faulty thermostats.

Often occur due to worn gaskets, seals, or valve cover gaskets, leading to oil seeping out.

May experience wear or failure, causing poor engine performance or engine damage.

Can cause rough idling, stalling, or poor fuel economy, often due to deteriorated hoses or gaskets.

Issues with fuel injectors, fuel pumps, or fuel filters can lead to poor engine performance or starting problems.

Can cause misfires, rough running, and reduced power due to failure of these critical components.

Can lead to overheating, coolant loss, and engine damage, common in older engines.

Can cause poor performance and increased emissions, often due to lack of regular maintenance.

Can lead to starting issues, misfires, and stalling.

Can cause excessive engine vibration and noise, affecting overall engine performance.

The RX-7's rotary engine can suffer from wear and scoring of the rotor housing, leading to compression loss and reduced power.

The apex seals in the rotary engine are prone to wear and breakage, which can result in poor engine performance and starting issues.

Coolant seals may degrade over time, causing coolant to leak into the combustion chamber or oil system, potentially leading to overheating or engine damage.

Rotary engines tend to consume more oil than piston engines, which can lead to frequent oil changes and monitoring.

Vacuum hoses and connections can become brittle and leak over time, causing inconsistent engine performance and idle issues.

The ignition system, including spark plugs and ignition coils, may require frequent maintenance due to the high-revving nature of the rotary engine.

Dirty or failing fuel injectors can cause poor fuel delivery, leading to rough idling, misfires, and decreased fuel efficiency.

Rotary engines may produce higher emissions, which could lead to difficulty passing emissions tests and potential legal issues.

The RX-7's rotary engine can produce a lot of heat, necessitating a well-maintained cooling system to prevent overheating and maintain performance.

The rotary engine's design often results in lower fuel efficiency compared to conventional piston engines, leading to higher running costs.

Older BMW engines, especially from the 1980s, are prone to developing oil leaks due to worn-out gaskets and seals.

The cooling systems in older BMWs can be problematic, often due to failing water pumps, radiators, or thermostats.

Electrical issues, such as faulty wiring or failing sensors, are common in older BMW models.

The rubber hoses and gaskets in the intake system can degrade over time, leading to vacuum leaks that affect engine performance.

Over time, the timing belt or chain can wear out or stretch, which can lead to poor engine performance or even engine damage if not addressed.

Fuel injectors can become clogged or fail, leading to poor fuel delivery and performance issues.

Head gasket failure can occur, leading to coolant mixing with oil and causing overheating or severe engine damage.

Problems with the ignition system, such as worn spark plugs or failing ignition coils, can lead to misfires and poor engine performance.

Older BMW engines, especially from the 1980s, are prone to developing oil leaks due to worn-out gaskets and seals.

The cooling systems in older BMWs can be problematic, often due to failing water pumps, radiators, or thermostats.

Electrical issues, such as faulty wiring or failing sensors, are common in older BMW models.

The rubber hoses and gaskets in the intake system can degrade over time, leading to vacuum leaks that affect engine performance.

Over time, the timing belt or chain can wear out or stretch, which can lead to poor engine performance or even engine damage if not addressed.

Fuel injectors can become clogged or fail, leading to poor fuel delivery and performance issues.

Head gasket failure can occur, leading to coolant mixing with oil and causing overheating or severe engine damage.

Problems with the ignition system, such as worn spark plugs or failing ignition coils, can lead to misfires and poor engine performance.

Common in older BMW engines, often from valve cover gasket, oil pan gasket, or rear main seal.

Radiator, water pump, and thermostat failures can lead to overheating.

Can cause rough idling or poor engine performance; often from cracked hoses or intake manifold gaskets.

Can lead to engine misfires or severe engine damage if not replaced according to schedule.

Clogged or leaking injectors can cause poor fuel economy and engine misfires.

Worn spark plugs, faulty ignition coils, or distributor issues can lead to starting problems and rough running.

Can cause poor engine performance and fuel economy.

Common in older BMW engines, often from valve cover gasket, oil pan gasket, or rear main seal.

Radiator, water pump, and thermostat failures can lead to overheating.

Can cause rough idling or poor engine performance; often from cracked hoses or intake manifold gaskets.

Can lead to engine misfires or severe engine damage if not replaced according to schedule.

Clogged or leaking injectors can cause poor fuel economy and engine misfires.

Worn spark plugs, faulty ignition coils, or distributor issues can lead to starting problems and rough running.

Can cause poor engine performance and fuel economy.

Older BMW engines, especially from the 1980s, are prone to developing oil leaks due to worn-out gaskets and seals.

The cooling systems in older BMWs can be problematic, often due to failing water pumps, radiators, or thermostats.

Electrical issues, such as faulty wiring or failing sensors, are common in older BMW models.

The rubber hoses and gaskets in the intake system can degrade over time, leading to vacuum leaks that affect engine performance.

Over time, the timing belt or chain can wear out or stretch, which can lead to poor engine performance or even engine damage if not addressed.

Fuel injectors can become clogged or fail, leading to poor fuel delivery and performance issues.

Head gasket failure can occur, leading to coolant mixing with oil and causing overheating or severe engine damage.

Problems with the ignition system, such as worn spark plugs or failing ignition coils, can lead to misfires and poor engine performance.

Common in older BMW engines, often due to failing water pumps, clogged radiators, or faulty thermostats.

Often occur due to worn gaskets, seals, or valve cover gaskets, leading to oil seeping out.

May experience wear or failure, causing poor engine performance or engine damage.

Can cause rough idling, stalling, or poor fuel economy, often due to deteriorated hoses or gaskets.

Issues with fuel injectors, fuel pumps, or fuel filters can lead to poor engine performance or starting problems.

Can cause misfires, rough running, and reduced power due to failure of these critical components.

Can lead to overheating, coolant loss, and engine damage, common in older engines.

Can cause poor performance and increased emissions, often due to lack of regular maintenance.

Can lead to starting issues, misfires, and stalling.

Can cause excessive engine vibration and noise, affecting overall engine performance.

The RX-7's rotary engine can suffer from wear and scoring of the rotor housing, leading to compression loss and reduced power.

The apex seals in the rotary engine are prone to wear and breakage, which can result in poor engine performance and starting issues.

Coolant seals may degrade over time, causing coolant to leak into the combustion chamber or oil system, potentially leading to overheating or engine damage.

Rotary engines tend to consume more oil than piston engines, which can lead to frequent oil changes and monitoring.

Vacuum hoses and connections can become brittle and leak over time, causing inconsistent engine performance and idle issues.

The ignition system, including spark plugs and ignition coils, may require frequent maintenance due to the high-revving nature of the rotary engine.

Dirty or failing fuel injectors can cause poor fuel delivery, leading to rough idling, misfires, and decreased fuel efficiency.

Rotary engines may produce higher emissions, which could lead to difficulty passing emissions tests and potential legal issues.

The RX-7's rotary engine can produce a lot of heat, necessitating a well-maintained cooling system to prevent overheating and maintain performance.

The rotary engine's design often results in lower fuel efficiency compared to conventional piston engines, leading to higher running costs.

Common in older BMW engines, often from valve cover gasket, oil pan gasket, or rear main seal.

Radiator, water pump, and thermostat failures can lead to overheating.

Can cause rough idling or poor engine performance; often from cracked hoses or intake manifold gaskets.

Can lead to engine misfires or severe engine damage if not replaced according to schedule.

Clogged or leaking injectors can cause poor fuel economy and engine misfires.

Worn spark plugs, faulty ignition coils, or distributor issues can lead to starting problems and rough running.

Can cause poor engine performance and fuel economy.

The 1987 BMW 325iS is known for oil leaks, particularly from the valve cover gasket and oil pan gasket due to aging seals.

These models can suffer from overheating issues, often due to a failing thermostat, water pump, or radiator.

The timing belt may wear out or fail if not replaced at the recommended intervals, leading to potential engine damage.

Aging hoses and gaskets can cause vacuum leaks, leading to rough idling and poor engine performance.

Issues with the distributor, spark plugs, or ignition coil can cause misfires and reduced engine performance.

Problems with the fuel pump, fuel injectors, or fuel filter can result in poor fuel delivery and reduced engine efficiency.

Leaks in the cooling system, such as from the radiator, heater core, or hoses, can lead to coolant loss and overheating.

A failing crankshaft position sensor can cause the engine to stall or not start.

Common in older BMW engines, often from valve cover gasket, oil pan gasket, or rear main seal.

Radiator, water pump, and thermostat failures can lead to overheating.

Can cause rough idling or poor engine performance; often from cracked hoses or intake manifold gaskets.

Can lead to engine misfires or severe engine damage if not replaced according to schedule.

Clogged or leaking injectors can cause poor fuel economy and engine misfires.

Worn spark plugs, faulty ignition coils, or distributor issues can lead to starting problems and rough running.

Can cause poor engine performance and fuel economy.

Common in older BMW engines, often from valve cover gasket, oil pan gasket, or rear main seal.

Radiator, water pump, and thermostat failures can lead to overheating.

Can cause rough idling or poor engine performance; often from cracked hoses or intake manifold gaskets.

Can lead to engine misfires or severe engine damage if not replaced according to schedule.

Clogged or leaking injectors can cause poor fuel economy and engine misfires.

Worn spark plugs, faulty ignition coils, or distributor issues can lead to starting problems and rough running.

Can cause poor engine performance and fuel economy.

The 1987 BMW 325iS is known for oil leaks, particularly from the valve cover gasket and oil pan gasket due to aging seals.

These models can suffer from overheating issues, often due to a failing thermostat, water pump, or radiator.

The timing belt may wear out or fail if not replaced at the recommended intervals, leading to potential engine damage.

Aging hoses and gaskets can cause vacuum leaks, leading to rough idling and poor engine performance.

Issues with the distributor, spark plugs, or ignition coil can cause misfires and reduced engine performance.

Problems with the fuel pump, fuel injectors, or fuel filter can result in poor fuel delivery and reduced engine efficiency.

Leaks in the cooling system, such as from the radiator, heater core, or hoses, can lead to coolant loss and overheating.

A failing crankshaft position sensor can cause the engine to stall or not start.

Common in older BMW engines, often due to failing water pumps, clogged radiators, or faulty thermostats.

Often occur due to worn gaskets, seals, or valve cover gaskets, leading to oil seeping out.

May experience wear or failure, causing poor engine performance or engine damage.

Can cause rough idling, stalling, or poor fuel economy, often due to deteriorated hoses or gaskets.

Issues with fuel injectors, fuel pumps, or fuel filters can lead to poor engine performance or starting problems.

Can cause misfires, rough running, and reduced power due to failure of these critical components.

Can lead to overheating, coolant loss, and engine damage, common in older engines.

Can cause poor performance and increased emissions, often due to lack of regular maintenance.

Can lead to starting issues, misfires, and stalling.

Can cause excessive engine vibration and noise, affecting overall engine performance.

Older BMW engines, especially from the 1980s, are prone to developing oil leaks due to worn-out gaskets and seals.

The cooling systems in older BMWs can be problematic, often due to failing water pumps, radiators, or thermostats.

Electrical issues, such as faulty wiring or failing sensors, are common in older BMW models.

The rubber hoses and gaskets in the intake system can degrade over time, leading to vacuum leaks that affect engine performance.

Over time, the timing belt or chain can wear out or stretch, which can lead to poor engine performance or even engine damage if not addressed.

Fuel injectors can become clogged or fail, leading to poor fuel delivery and performance issues.

Head gasket failure can occur, leading to coolant mixing with oil and causing overheating or severe engine damage.

Problems with the ignition system, such as worn spark plugs or failing ignition coils, can lead to misfires and poor engine performance.