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4-cylinder power unit BMW 3 Series E21
This page is dedicated to repairing four-cylinder BMW 3 Series E21 engines. It contains information on the cooling and lubrication systems, fuel supply, ignition, and general recommendations for disassembly, troubleshooting, and reassembly. This material is aimed at mechanics and owners who perform repairs themselves. Practical instructions are provided to help restore engine performance and extend its service life.
This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
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Power unit BMW 5 Series E34 (1988-1996)
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- Cooling system
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- M10/M20 engine
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- Ignition system
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- 4-cylinder engine
- Engine repair
- Cooling and lubrication system
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- 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
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- Front suspension
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