DIY · Source review911 Turbo / 997.1BBi’s coolant-pipe welding work on a 997.1 TurboA shop-described 2007 Turbo, engine-out photographs and replacement fittings, with the limits of the service and model-year claims preserved.Porsche911 Turbo / 997.1Topics in the accountCoolant pipesrennlist · BBiAutosport