BMW E46 M3 CSL airbox installation on standard M3 (S54B32)

[spinecki]

BMW E46 M3 CSL airbox installation on standard M3 (S54B32)

Benefits:

• Increased airflow
• Improved throttle response
• Enhanced induction sound

Parts needed:

• CSL airbox (part number: 13717831907)
• CSL air filter (part number: 13721730449)
• CSL intake boot (part number: 13541318340)
• Various hoses and clamps

Installation steps:

• Remove standard airbox and intake system
• Install CSL airbox and intake boot
• Modify or replace brake booster hose
• Install CSL air filter
• Reroute and connect all necessary hoses
• Optionally, remap ECU for optimal performance

Note: While this modification is popular, it may not be legal for road use in all jurisdictions. Check local regulations before installation.