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Top 10 BMW E46 330i (M54B30) performance upgrades

• High-flow intake system for improved airflow
• ECU remap for optimized engine management
• Stainless steel exhaust system for reduced back pressure
• Coilover suspension kit for enhanced handling
• Upgraded brake rotors and pads for better stopping power
• Short shift kit for quicker gear changes
• Lightweight flywheel for improved throttle response
• Limited slip differential for better traction
• Front strut tower brace for increased chassis rigidity
• Headers for improved exhaust flow and power gains

Remember to research each modification thoroughly and consider professional installation for best results.