A4 Sedan V6-2.8L (AHA) (1998)
The weight codes can be used to identify the correct spring/shock assemblies.
The weight code for the different suspension versions is indicated by the arrow in the illustration.
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1BA: Standard suspension
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1BB: Heavy duty suspension (approximately 20 mm (3/4 inch) higher)
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1BC: Special purpose vehicles
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1BD: Sport suspension, Audi S4
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1BE: Sport suspension
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1BH: USA
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1BT. Heavy duty suspension (approximately 7 mm or 1/4 inch higher)
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1BP: Heavy duty suspension (same ride height as 1BA but with limited bump)