BMW N63 X5, X6, 550I, 650i, 750i Turbine Westgate Repair Kit
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Westgate Turbine Repair Kit for BMW 550I 650I 750I X5 X6 with N63 engine (4.4L v8 Twin Turbo) from 2008 to 2015
The original number of the turbine to which the repair kit fits - Garrett MGT2256S
One of the common problems of BMW N63 engines is the wear of the turbocharger overpressure relief system (Westegate, Westgate). Practice has shown that at 100,000 km the turbine already has considerable wear of the westgate. In the common people they are called "gates", "dampers" of the turbine. The reasons for failure are wear and tear associated with high operating temperature, constant temperature changes, as well as aggressive working conditions (water, sand, dust and dirt from the street fall on the traction). Indirect signs of a worn-out westgate on the BMW N63 turbine:
- Rattling from the exhaust manifold
- Increased fuel consumption, deteriorating acceleration dynamics
- With a sharp long-term acceleration after 90 km / h (for example, when overtaking) The ECU of the N63 motor records an error about a low boost pressure, the check does not always light up.
- Errors on low boost pressure
- Errors due to ignition failures at high engine speeds
The manufacturer offers to replace the GT2256S turbine in the future. We also suggest replacing the Westegate BMW N63 repair kit.
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