SI-2 Complete Fuel System Cleaner (Gasoline Additive)
contains the same powerful high-temperature detergents and synthetic upper cylinder lubricants as in Red Line SI-1, but is packaged in a convenient 4 oz container designed to treat one tank of fuel. Red Line SI-2 is recognized by BMW as providing intake system cleanliness for unlimited mileage and equivalent to BMW Part No. 88 88 6 900 307.| Item | Part # | Quantity | Details |
| SI-2 | RL-SI2 | 4 Oz. |
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