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TASK · ENGINE & S54

Replace E46 M3 Rod Bearings

Preventive replacement of S54 connecting rod bearings before failure. A well-known weakness of the S54 at high mileage. Covers oil pan removal, plastigauge measurement, bearing selection, and rod bolt torque. Critical preventive maintenance.

Videos2DifficultyadvancedAvg time10–20 hoursRiskcritical
Fits your situationEngine: S54
★ Community Top Pick · #1 of 2  ·  Ranked by outcomes
E46 M3 Rod Bearing Replacement — Full DIY Walkthrough
120:00
#1
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E46 M3 Rod Bearing Replacement — Full DIY Walkthrough

ES
E46 Specialist

Complete rod bearing replacement guide. Covers oil pan removal, plastigauge measurement, bearing selection, and rod bolt torque. Includes safety warnings and mileage guidelines.

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Other top picks.

E46 M3 Rod Bearings — What You Need to Know
#2
36:00

E46 M3 Rod Bearings — What You Need to Know

Community overview of rod bearing failure, symptoms, and DIY replacement.

Steps from the top pick.

5 chapters
  1. 2:0001
    Safety warning and mileage context
  2. 6:3002
    Oil pan removal
  3. 12:1503
    Measuring bearing clearance with plastigauge
  4. 18:0004
    Installing new bearings
  5. 24:3005
    Torquing rod bolts to spec