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Weistec BMW N62 4.0L ECU Tune

$98.00 $799.00
Review

The Weistec N62B40 ECU upgrade 2004-2010 Naturally Aspirated 4.0 liter V8 engine provides substatial gains across the entire powerband. Use the Cypher Handheld Tuner to switch between your stock tune and the Weistec tuning. Experience the best of both side

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Description

The Weistec N62B40 ECU upgrade 2004-2010 Naturally Aspirated 4.0 liter V8 engine provides substatial gains across the entire powerband. Use the Cypher Handheld Tuner to switch between your stock tune and the Weistec tuning. Experience the best of both sides of your vehicle!

KEY FEATURES:

    • Improved throttle response
    • Optimized Fueling
    • Optimized Ignition Timing

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