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Most Common Car Issues

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Model
325iS
Model Year
1990

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Engine Brake (hp) From
Engine Manufacturer
Engine Model
Engine Number of Cylinders
Make

MOST COMMON PROBLEMS

BMW 325iS 1990

The 1990 BMW 325iS is a classic 2-door sedan from the E30 series, powered by a 2.5-liter inline-6 engine producing 168 hp. Manufactured in Regensburg, Germany, this passenger car features manual seat belts and runs on gasoline. Its blend of performance and style makes it a standout from the iconic 3 Series.

Spec:

Engine Brake (hp) From
168
Engine Manufacturer
BMW-AG
Engine Number of Cylinders
6

Problems:

Oil leaks
The 1990 BMW 325iS, especially with its six-cylinder engine, is 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, can often fail, leading to overheating issues.
Timing belt/chain issues
The timing belt or chain might wear out or fail, causing significant engine damage if not replaced or maintained properly.
Vacuum leaks
Vacuum leaks can cause rough idling, stalling, or poor engine performance, often due to aging hoses and gaskets.
Ignition system problems
Issues with the ignition coil, spark plugs, and distributor can lead to misfires or poor engine performance.
Fuel system issues
Fuel pump or fuel injector failures can lead to engine stalling, poor acceleration, and difficulty starting.
Mass air flow sensor failure
A faulty MAF sensor can cause incorrect air-fuel mixture leading to poor fuel economy and performance.
Crankshaft position sensor failure
A failing crankshaft position sensor can cause the engine to stall or fail to start.
BMW 325iS 1990

The 1990 BMW 325iS is a classic 2-door sedan with a 2.5-liter inline-6 engine producing 168 hp. Manufactured in Regensburg, Germany, this E30 series model is known for its sporty performance and robust engineering. It features a manual seat belt system and an optional driver Supplemental Restraint System (SRS).

Spec:

Engine Brake (hp) From
168
Engine Manufacturer
BMW-AG
Engine Number of Cylinders
6

Problems:

Oil leaks
The 1990 BMW 325iS, especially with its six-cylinder engine, is 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, can often fail, leading to overheating issues.
Timing belt/chain issues
The timing belt or chain might wear out or fail, causing significant engine damage if not replaced or maintained properly.
Vacuum leaks
Vacuum leaks can cause rough idling, stalling, or poor engine performance, often due to aging hoses and gaskets.
Ignition system problems
Issues with the ignition coil, spark plugs, and distributor can lead to misfires or poor engine performance.
Fuel system issues
Fuel pump or fuel injector failures can lead to engine stalling, poor acceleration, and difficulty starting.
Mass air flow sensor failure
A faulty MAF sensor can cause incorrect air-fuel mixture leading to poor fuel economy and performance.
Crankshaft position sensor failure
A failing crankshaft position sensor can cause the engine to stall or fail to start.
BMW 325iS 1990

The 1990 BMW 325iS is a classic 2-door sedan from the renowned E30 series. Powered by a 2.5L inline-6 engine producing 168 hp, it features an automatic transmission and runs on gasoline. Manufactured in Regensburg, Germany, it includes a Dr. Supplemental Restraint System (SRS) for added safety. This model is a quintessential example of BMW's engineering excellence in the late '80s and early '90s.

Spec:

Engine Brake (hp) From
168
Engine Manufacturer
BMW-AG
Engine Model
4-Value
Engine Number of Cylinders
6

Problems:

Oil leaks
The BMW 325iS from 1990 often suffers from oil leaks due to aging gaskets and seals, particularly around the valve cover and oil pan.
Cooling system failures
Issues with the radiator, water pump, and thermostat are common, leading to engine overheating.
Timing belt/tensioner wear
The timing belt and tensioner can wear out, potentially causing engine misfires or catastrophic failure if not replaced at regular intervals.
Fuel system problems
Problems with the fuel injectors or fuel pump can lead to poor engine performance or starting issues.
Vacuum leaks
Leaks in the vacuum system can cause rough idling or stalling.
Electrical issues
Aging wiring and connectors can lead to various electrical problems, including issues with the engine control unit (ECU).
BMW 325iS 1990

The 1990 BMW 325iS is a classic 2-door sedan powered by a 2.5L inline-6 engine, producing 168 horsepower. Manufactured in Regensburg, Germany, this E30 series model features a manual seat belt system and a driver supplemental restraint system (SRS). This gasoline-powered vehicle is a part of BMW's renowned 3 Series lineup.

Spec:

Engine Brake (hp) From
168
Engine Manufacturer
BMW-AG
Engine Number of Cylinders
6

Problems:

Oil leaks
The 1990 BMW 325iS, especially with its six-cylinder engine, is 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, can often fail, leading to overheating issues.
Timing belt/chain issues
The timing belt or chain might wear out or fail, causing significant engine damage if not replaced or maintained properly.
Vacuum leaks
Vacuum leaks can cause rough idling, stalling, or poor engine performance, often due to aging hoses and gaskets.
Ignition system problems
Issues with the ignition coil, spark plugs, and distributor can lead to misfires or poor engine performance.
Fuel system issues
Fuel pump or fuel injector failures can lead to engine stalling, poor acceleration, and difficulty starting.
Mass air flow sensor failure
A faulty MAF sensor can cause incorrect air-fuel mixture leading to poor fuel economy and performance.
Crankshaft position sensor failure
A failing crankshaft position sensor can cause the engine to stall or fail to start.
BMW 325iS 1990

The 1990 BMW 325iS is a classic 2-door sedan with a 2.5L inline-6 engine, producing 168 horsepower. Manufactured in Regensburg, Germany, this E30 series model features a manual seat belt system and a Dr. Supplemental Restraint System (SRS). It's a quintessential example of BMW's engineering prowess from the early '90s.

Spec:

Engine Brake (hp) From
168
Engine Manufacturer
BMW-AG
Engine Number of Cylinders
6

Problems:

Oil leaks
The 1990 BMW 325iS, especially with its six-cylinder engine, is 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, can often fail, leading to overheating issues.
Timing belt/chain issues
The timing belt or chain might wear out or fail, causing significant engine damage if not replaced or maintained properly.
Vacuum leaks
Vacuum leaks can cause rough idling, stalling, or poor engine performance, often due to aging hoses and gaskets.
Ignition system problems
Issues with the ignition coil, spark plugs, and distributor can lead to misfires or poor engine performance.
Fuel system issues
Fuel pump or fuel injector failures can lead to engine stalling, poor acceleration, and difficulty starting.
Mass air flow sensor failure
A faulty MAF sensor can cause incorrect air-fuel mixture leading to poor fuel economy and performance.
Crankshaft position sensor failure
A failing crankshaft position sensor can cause the engine to stall or fail to start.
BMW 325iS 1990

The 1990 BMW 325iS is a sleek 2-door sedan powered by a 2.5L inline-6 engine producing 168 hp. Manufactured in Regensburg, Germany, this E30 series model uses gasoline and features a manual seat belt system along with a Supplemental Restraint System (SRS). A true classic in the BMW 3 Series lineup.

Spec:

Engine Brake (hp) From
168
Engine Manufacturer
BMW-AG
Engine Number of Cylinders
6

Problems:

Oil leaks
The 1990 BMW 325iS, especially with its six-cylinder engine, is 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, can often fail, leading to overheating issues.
Timing belt/chain issues
The timing belt or chain might wear out or fail, causing significant engine damage if not replaced or maintained properly.
Vacuum leaks
Vacuum leaks can cause rough idling, stalling, or poor engine performance, often due to aging hoses and gaskets.
Ignition system problems
Issues with the ignition coil, spark plugs, and distributor can lead to misfires or poor engine performance.
Fuel system issues
Fuel pump or fuel injector failures can lead to engine stalling, poor acceleration, and difficulty starting.
Mass air flow sensor failure
A faulty MAF sensor can cause incorrect air-fuel mixture leading to poor fuel economy and performance.
Crankshaft position sensor failure
A failing crankshaft position sensor can cause the engine to stall or fail to start.
BMW 325iS 1990

The 1990 BMW 325iS is a classic 2-door sedan powered by a 2.5L inline-6 engine producing 168 horsepower. Manufactured in Regensburg, Germany, this E30 series model features a manual seat belt system and a Driver Supplemental Restraint System (SRS). This iconic vehicle offers the quintessential blend of performance and style that BMW is known for.

Spec:

Engine Brake (hp) From
168
Engine Manufacturer
BMW-AG
Engine Number of Cylinders
6

Problems:

Oil leaks
The 1990 BMW 325iS, especially with its six-cylinder engine, is 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, can often fail, leading to overheating issues.
Timing belt/chain issues
The timing belt or chain might wear out or fail, causing significant engine damage if not replaced or maintained properly.
Vacuum leaks
Vacuum leaks can cause rough idling, stalling, or poor engine performance, often due to aging hoses and gaskets.
Ignition system problems
Issues with the ignition coil, spark plugs, and distributor can lead to misfires or poor engine performance.
Fuel system issues
Fuel pump or fuel injector failures can lead to engine stalling, poor acceleration, and difficulty starting.
Mass air flow sensor failure
A faulty MAF sensor can cause incorrect air-fuel mixture leading to poor fuel economy and performance.
Crankshaft position sensor failure
A failing crankshaft position sensor can cause the engine to stall or fail to start.
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