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Chip Tuning for BMW 3 (E21) 1975–1984 323 i (2.3 L | CP247

Buy BMW 3 (E21) 1975–1984 323 i (2.3 L / 105 kW / 143 hp) M20 B23 (236EA) chip tuning. Free UK delivery over £50.

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Chip Tuning for BMW 3 (E21) 1975–1984 323 i (2.3 L / 105 kW / 143 hp) M20 B23 (236EA) — what you need to know

Finding the right chip tuning for your BMW 3 (E21) 1975–1984 323 i (2.3 L / 105 kW / 143 hp) M20 B23 (236EA) is essential for safe and reliable driving. We offer a wide selection from leading manufacturers, all with TecDoc-verified fitment for your specific vehicle.

When choosing chip tuning for your BMW 3 (E21) 1975–1984 323 i (2.3 L / 105 kW / 143 hp) M20 B23 (236EA), 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 chip tuning listed on this page are confirmed compatible with BMW 3 (E21) 1975–1984 323 i (2.3 L / 105 kW / 143 hp) M20 B23 (236EA). 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 Piston Charge Air Hose Connecting Rod Bearing Cylinder head seal O2 Sensor Cylinder head gasket kit Engine full gasket kit Crankshaft pulse sensor Charger oil line Mass Air Flow Sensor Cylinder head cover gasket

Frequently Asked Questions

Which chip tuning fits BMW 3 (E21) 1975–1984 323 i (2.3 L / 105 kW / 143 hp) M20 B23 (236EA)?

All chip tuning listed on this page are confirmed compatible with BMW 3 (E21) 1975–1984 323 i (2.3 L / 105 kW / 143 hp) M20 B23 (236EA) via TecDoc fitment data. Browse the options below from .

How often should I replace chip tuning on a BMW 3 (E21) 1975–1984 323 i (2.3 L / 105 kW / 143 hp) M20 B23 (236EA)?

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