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| − | To maintain and repair your engine, you need to know what lump you have under the bonnet of your E30. Below is each engine, listed by model and year, for the E30. By clicking on the engine, you will have access to information regarding Maintenance, Cooling systems, Fuel, Intake, Exhaust and Electrical systems, as well as Common Problems and Upgrades.
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| − | {| class="wikitable" style="text-align:center; font-size:88%;"
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| − | !Name||Volume||Engine||Valvetrain||Fuel||Output||Torque||Engine code||Years
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| − | |[[316]]||1766cc||straight-4|4cyl||SOHC 8V||Petrol||99hp (66kW) @4500 rpm||103ft/lb (140Nm) @4250 rpm||[[M10]]B18||1982–1990
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| − | |[[316i]]||1596cc||straight-4|4cyl||SOHC 8V||Petrol||102hp (75kW) @4500 rpm||105ft/lb (140Nm) @4250 rpm||[[M40]]B16||1988–1995
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| − | |[[318]]||1766cc||straight-4|4cyl||SOHC 8V||Petrol||104hp (77kW) @4500 rpm||103ft/lb (140Nm) @4250 rpm||[[M10]]B18||1982–1990
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| − | |[[318i]]||1796cc||straight-4|4cyl||SOHC 8V||Petrol||113hp (85kW) @4500 rpm||122ft/lb (165Nm) @4250 rpm||[[M40]]B18||1987–1995
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| − | |[[318iS]]||1766cc||straight-4|4cyl||SOHC 8V||Petrol||140hp (104kW) @4500 rpm||127ft/lb (172Nm) @4250 rpm||[[M42]]B18||1989–1991
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| − | |[[320i]]||1990cc||straight-6|6cyl||SOHC 12V||Petrol||123hp (92kW) @5800 rpm||125ft/lb (170Nm) @4000 rpm||[[M20]]B20||1982–1985
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| − | |[[320i]]||1990cc||straight-6|6cyl||SOHC 12V||Petrol||127hp (95kW) @6000 rpm||120ft/lb (164Nm) @4300 rpm||[[M20]]B20||1985–1991
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| − | |[[320iS]]||1990cc||straight-4|4cyl||DOHC 16V||Petrol||192hp (143kW) @6750 rpm||155ft/lb (210Nm) @4750 rpm||[[S14]]||1982–1990
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| − | |[[323i]]||2316cc||straight-6|6cyl||SOHC 12V||Petrol||139-150hp (104-110kW) @4500 rpm||0ft/lb (0Nm) @4000 rpm||[[M20]]B23||1982–19850
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| − | |[[325e]]||2693cc||straight-6|6cyl||SOHC 12V||Petrol||127hp (95kW) @4250 rpm||169ft/lb (230Nm) @3200 rpm||[[M20]]B27||1982–1990
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| − | |[[325i]]||2494cc||straight-6|6cyl||SOHC 12V||Petrol||169hp (125kW) @5800 rpm||163ft/lb (222Nm) @4300 rpm||[[M20]]B25||1982–1990
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| − | |[[325iX]]||2494cc||straight-6|6cyl||SOHC 12V||Petrol||169hp (125kW) @5800 rpm||163ft/lb (222Nm) @4300 rpm||[[M20]]B25||1982–1990
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| − | |[[M3]]||2302cc||straight-4|4cyl||DOHC 16V||Petrol||197hp (147kW) @6750 rpm||176ft/lb (0Nm) @4750 rpm||[[S14]]||1986–1988
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| − | |[[M3]]||2302cc||straight-4|4cyl||DOHC 16V||Petrol||212hp (158kW) @6750 rpm||170ft/lb (0Nm) @4600 rpm||[[S14]]||1989–1991
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| − | |[[M3]] Evolution||2302cc||straight-4|4cyl||DOHC 16V||Petrol||197hp (147kW) @6750 rpm||176ft/lb (0Nm) @4750 rpm||[[S14]]||1987–1987
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| − | |[[M3]] Evolution II||2302cc||straight-4|4cyl||DOHC 16V||Petrol||217hp (162kW) @6750 rpm||181ft/lb (0Nm) @4750 rpm||[[S14]]||1988–1988
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| − | |[[M3]] Sport Evolution||2467cc||straight-4|4cyl||DOHC 16V||Petrol||235hp (175kW) @6750 rpm||177ft/lb (0Nm) @4750 rpm||[[S14]]||1990–1990
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| − | |[[324d]]||2443cc||straight-6|6cyl||SOHC 12V||Diesel||84hp (63kW) @4600 rpm||112ft/lb (152Nm) @2400 rpm||[[M21]]D24||1985–1993
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| − | |[[324td]]||2443cc||straight-6|6cyl||SOHC 12V||Diesel||114hp (85kW) @4800 rpm||162ft/lb (220Nm) @2400 rpm||[[M21]]D24||1985–1993
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| − | ==Maintenance==
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| − | All engines need looking after, and while simple jobs like [[Oil Changes]] are standard to all E30s, some jobs are specific to either the 4-cylinder or 6-cylinder engines. Click on the engine model for your car to get specific information:
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| − | *[[Basic_M10_Servicing|M10]]
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| − | *[[Basic_M20_Servicing|M20]]
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| − | *[[Basic_M40_Servicing|M40]]
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| − | *[[Basic_M40_Servicing|M42]]
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| − | The following topics are standard maintenance tasks to keep all engines running smoothly
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| − | * [[Cleaning_injectors|Cleaning the Injectors]]
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| − | ==Upgrades==
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| − | ===Engine Swaps===
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| − | While every E30 is a sublime driving machine, the desire for more power leads many to look at their options. Since many E30 engines are unsympathetic to "tuning" without spending serious cash, the following engines are popular choices to replace your current donk:
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| − | [[M50]]
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| − | [[M52]]
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| − | [[M30]]
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| | =Drivetrain= | | =Drivetrain= |
Like any BMW, the E30 is a complex precision machine, precision-built and designed to last. But even the simplest of machines needs maintenance occasionally, so keep your E30 running the way it should, it helps to familiarise yourself with the design, and the components. The Technical section of the E30 Zone Wiki is your one-stop source for maintenance tips, common problems, upgrades and troubleshooting.
Your E30 is broken down into separate sections, to help you understand each part in turn.
Engines
- Main article: Engines
Drivetrain
Gearbox
- Main article: Gearbox
Differential
- Main article: Differential
When upgrading your engine, upgrading your differential at the same time is almost mandatory.
Brakes
- Main article: Brakes
While moving in the E30 is an utterly delight, the need to stop moving is sometimes necessary. For that reason, the E30 was fitted with front discs on all models. The smaller-powered 316 and 318 saloons were fitted with rear drum brakes, while all six-cylinder models and Tourings had rear discs as standard.
Suspension
- Main article: Suspension
All E30s are fitted with McPherson struts for front suspension, bolting up to a single control arm at the bottom. This is reinforced by an anti-roll bar connecting the control arm to the front subframe. The rear wheels have independent suspension of springs and shocks, and are connected to the rear subframe via trailing arms. Another anti-roll bar clamps the trailing arms to the body.
Steering
- Main article: Steering
Body Styles and Fittings
- Main article: Bodywork
Electrical
- Main article: Electrics
Tables
Tables can be somewhat tricky. Good information can also be found on the wikipedia site: Tables Help
Tables on this site should be created like the below:
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