M54B30 Twin Screw Stage 1 (TS1) - ESS Tuning | BMW Tuning Parts | BMW Racing, Tuning, Aftermarket, Performance Parts | Engine Power Chips | Performance Upgrades Chip

It says application intended for E53 3.0 on the bottom, just email ESS if you are serious about it. There literally can't be much difference between the E46/E39 and E53 kit, maybe a different software file

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