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6-cylinder power unit BMW 3 Series E21
This page opens a section on the BMW 3 Series E21 six-cylinder powertrain. It provides general information on engine repair, cooling and lubrication systems, fuel injection, and ignition. This material is aimed at specialists working with classic BMWs and owners planning diagnostics or restoration. Key components and areas of work are identified, helping to choose the right repair strategy.
This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
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Share information:
- General information
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- Power unit
- Engine repair
- Cooling system
- Power system (gasoline)
- Injection system (gasoline)
- Fuel system (diesel)
- Exhaust system
- Ignition system
- Charge and launch systems
- Transmission
- Car gearbox
- Clutch and drive shafts
- Chassis
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- Engine overhaul
- Cooling and heating
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- Transmission
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- Mechanical gearbox
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- Cardan and drive shafts
- Chassis
- Brake system
- Wheel suspension
- Steering
- Body
- Exterior
- Interior
- Electrical equipment
- Equipment and devices
- Electrical circuits
- General information
- Maintenance
- Power unit
- Engine repair
- Cooling system
- Ignition system
- Supply system
- Fuel injection system
- Exhaust system
- Transmission
- Clutch
- Car gearbox
- Front and rear axle
- Chassis
- Steering
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- Body
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- M10/M20 engine
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- Ignition system
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- Front axle
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- General information
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- 4-cylinder engine
- Engine repair
- Cooling and lubrication system
- Supply system
- Ignition system
- 6-cylinder engine
- Engine repair
- Cooling and lubrication system
- Supply system
- Fuel injection system
- Ignition system
- Transmission
- Clutch
- 4-speed manual gearbox
- 5-speed manual gearbox
- Automatic gearbox
- Cardan and rear axle
- Chassis
- Steering
- Front suspension
- Rear suspension
- Brake system
- Electrical equipment
- Equipment and devices
- Electrical circuits