Piston for BMW 3 (E21) 1975–1984 320 i (1.8 L / 74

Piston for BMW 3 (E21) 1975–1984 320 i (1.8 L / 74 kW / 101 hp) M10 B18 (184EA) — what you need to know

Finding the right piston for your BMW 3 (E21) 1975–1984 320 i (1.8 L / 74 kW / 101 hp) M10 B18 (184EA) is essential for safe and reliable driving. We stock 1+ options from 24+ trusted brands, all with TecDoc-verified fitment for your specific vehicle.

When choosing piston for your BMW 3 (E21) 1975–1984 320 i (1.8 L / 74 kW / 101 hp) M10 B18 (184EA), consider factors like OEM vs aftermarket quality, material specifications, and your driving conditions. OEM parts match original specifications exactly, while premium aftermarket brands like Bosch, TRW, and Febi Bilstein often offer comparable quality at lower prices.

All piston listed on this page are confirmed compatible with BMW 3 (E21) 1975–1984 320 i (1.8 L / 74 kW / 101 hp) M10 B18 (184EA). Our fitment data is sourced from TecDoc, the industry-standard European automotive parts database. If you are unsure about compatibility, check the OE part number on your existing component and use our cross-reference search.

Other Engine spare parts for BMW 3 (E21) 1975–1984

Charging (supercharged/turbocharged) charger Engine mounting Piston Ring Kit Crankshaft Bearing Set Charge Air Hose Connecting Rod Bearing Cylinder head seal O2 Sensor Cylinder head gasket kit Engine full gasket kit Chip Tuning Crankshaft pulse sensor Charger oil line Mass Air Flow Sensor Cylinder head cover gasket

Frequently Asked Questions

Which piston fits BMW 3 (E21) 1975–1984 320 i (1.8 L / 74 kW / 101 hp) M10 B18 (184EA)?

All piston listed on this page are confirmed compatible with BMW 3 (E21) 1975–1984 320 i (1.8 L / 74 kW / 101 hp) M10 B18 (184EA) via TecDoc fitment data. 1 options available from MAHLE, KOLBENSCHMIDT, NÜRAL.

How often should I replace piston on a BMW 3 (E21) 1975–1984 320 i (1.8 L / 74 kW / 101 hp) M10 B18 (184EA)?

Replacement intervals depend on driving conditions, mileage, and the specific piston brand. Refer to your BMW service schedule for recommended intervals. Regular inspection during servicing helps identify wear before failure.

What's the price range for piston for BMW 3 (E21) 1975–1984 320 i (1.8 L / 74 kW / 101 hp) M10 B18 (184EA)?

Piston prices for BMW 3 (E21) 1975–1984 320 i (1.8 L / 74 kW / 101 hp) M10 B18 (184EA) range from £168.77 to £168.77. All parts include our 14-day money-back guarantee and free UK delivery on orders over £50.