02 Maintenance ~ by Richard Stern
Preventive maintenance can help avoid untimely and inconvenient breakdowns, when you least expect it, so it’s always worth spending a bit of time checking your classic BMW over, especially before any long journey or planned trip.
Mileages were based on a daily used car, so now being a “classic” and likely not to be doing high mileages, it is better to replace the service intervals with monthly and annual checks.
Worth keeping battery on a conditioner, failing that replace every three years (subject to warrantee) a good battery is key to a reliable classic and operation of all electrical components.
Every 250 miles;
Steering – Check tyre pressures, including spare. Check steering for slack
Brakes – Check reservoir fluid, brake pedal travel, handbrake efficiency
Electrical – All lights, windscreen washers and their efficiency
Engine – Engine oil, coolant level and radiator cap, coolant hose condition
Every 5,000 miles (six months);
Steering – Check linkages, ball-joints and bushes for wear, front hubs, steering box oil, steering box mounting bolts, check wheel nuts/bolts.
Brakes – Pads for wear, adjust rear brakes (incl handbrake), brake lines for corrosion (wire brush and protect where possible).
Suspension – Check all mountings, pivots, bushes for wear. Check hydraulic shock absorbers for signs of leakage.
Engine – Change engine oil and replace oil filter, check distributor points and gap adjust if necessary.
Transmission and Drive – Check levels and top up as necessary. Grease driveshafts and inner UJ joints.
Body – Lubricate all locks and door mechanisms
Every 10,000 miles (annually);
Steering – Check front wheel alignment, re-balance wheels
Clutch – Check for pedal movement and wear, adjust where applicable
Engine – Check carburettors for wear and adjust, fan belt tension, cylinder head bolts and valve clearances, replace air filter and fuel filter, replace spark plugs, replace points (0.016 in) and condenser.
Static Ignition timing – all models except Ti, Tii and Turbo; 3 degrees BTDC. Ti, Tii and Turbo TDC
Dynamic Ignition timing;
|All models except below||25 degrees BTDC @ 1400 RPM|
|1502||25 degrees BTDC @ 1900 RPM|
|2002 Ti||25 degrees BTDC @ 2200 RPM|
|2002 Tii and Turbo||25 degrees BTDC @ 2400 RPM|
Every 20,000 miles (three years approx.);
Engine – Clean system pipes, check compression and engine condition and performance.
Transmission – Check propshaft and guibo for wear, replace gearbox oil, check exhaust mounting rubbers.
Check and replace rubber seals, CV boots, Universal steering joints, Ball joints and bushes for play.
Every 40,000 miles;
Engine – Tii replace fuel line main filter (adjacent to radiator)
Brakes – Drain and replace brake fluid (ideally every two years)
Hubs – dismantle and repack bearings with grease (Castrol LM or equivalent high-temp grease)
Additional; Check heater operation and ensure controls between hot and cold. Check fan operation. Every two years drain and flush to cooling system and refill with antifreeze mixture.
Cleaning; Examine bodywork inside and out, check chassis and body frame for rust, protect where possible to prevent structural damage.
Exhaust system; Should be leak proof and at an acceptable noise level. With more stringent MOT and UK Road Laws ensure your car is legal and meets these requirements at all times.
|Engine Oil (incl filter)||7.5 Imp pints||4.25 Litres||Castrol GTX or 20W/50 typically classic oil (not synthetic)|
|Cooling system||12.3 Imp pints||7 Litres||Antifreeze coolant 25% for up to -26C|
|Manual 4 & 5 Speed||2.52 Imp pints||1.4 Litres||Castrol EP 90|
|Automatic||8.2 Imp pints||4.65 Litres||Castrol TQF|
|Differential (standard)||1.6 Imp pints||0.9 Litres||Castrol EP 90|
|Steering box||Castrol EP 90|
|Brake and Clutch||Universal DOT 4 or 5 (higher op temp)|
|Wheel Bearings||Castrol BNS grease|
|Linkages and Cables||Castrol LM grease|
Useful Torque settings
|Water pump securing bolts||28|
|Cylinder Head bolts||75|
|Main bearing caps||62|
|Chain tensioner plug||39|
|Distributor housing bolts (small)||11|
|Distributor housing bolts (large)||25|
|Rocker cover screws/bolts||11|
|Timing cover bolts (small)||8|
|Timing cover bolts (large)||25|
|Engine mounting bracket to crankcase||47|
|Engine mounting centre bolts||25|
|Gearbox outer flange nut||149|
|Prop shaft front coupling nuts and output shaft||47|