BMW M3 E46
Weaknesses, engine ratings and buying advice
Body Variants
The BMW M3 E46 is available as Limousine and Coupé and Cabrio — choose your body type for specific insurance data:
Generations
Engine Overview
The BMW M3 E46 is available with 2 engine variants — from 321 to 343 hp.
The BMW 3.2L 6-Zyl (Benziner, 343 PS) has the S54B32 (3.2L 6-Zyl) — rated: "Stay Away!", 9 known weaknesses.
The BMW CSL (Benziner, 360 PS) has the S54B32 (3.2L 6-Zyl) — rated: "Stay Away!", 9 known weaknesses.
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| SMG-II clutch actuator and hydraulics The SMG-II suffers from clutch actuator failures and hydraulic leaks. Heat from the S54 damages the pump motor and hydraulic unit temperature sensor. The actuator alone costs €743 from BMW; with a clutch kit and shaft seal approximately €1,340. Used M3s with SMG often have neglected hydraulics — check the accumulator and oil level. Symptoms: Jerky gear changes, extended shift times, hesitant pull-away, SMG fault message, hydraulic oil puddle under the engine. from 80,000 km | High |
Top Reported Issues
Alternatives
Honda S2000 AP2
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Porsche 911 997
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Subaru STI GD
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Alfa Romeo GT 937C
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Mazda RX-8 SE3P
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Nissan 350Z Z33
Sportwagen (2002–2009)
Known Problems and Issues
A total of 18 weaknesses have been documented for the BMW M3 E46 (2000–2006) — 9 engine-related and 9 vehicle-related. One problem engine: S54B32 (3.2L 6-Zyl). Typical issues affect Gearbox, Other, Rust, Suspension.
M3 (S54B32, 2000–2006) — Stay Away!: Connecting rod bearings: known S54 main issue, Oil pump pressure relief piston wears — oil pressure critical, Valve clearance service neglected — shim disc problem. Power: 343 PS.
M3 (S54B32, 2003–2006) — Stay Away!: Connecting rod bearings: known S54 main issue, Oil pump pressure relief piston wears — oil pressure critical, Valve clearance service neglected — shim disc problem. Power: 360 PS.
What to watch out for with the BMW M3? See the detailed listing of all engine and vehicle weaknesses in the sections above.
Frequently Asked Questions
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Last updated: February 2026 · All information without guarantee