Description
Audi A4 2.0 TDi B8 2008+/AB BKD/ BKC/BKP (Automatic Transmission) Gearbox
The B8 generation (2008+) Audi A4 with a 2.0 TDi engine used a few different automatic transmission types, not the older BKD, BKC, or BKP engine codes mentioned in your query. Those codes relate to earlier VW/Audi 2.0 TDi engines. For a B8 chassis automatic, the most common options were the Multitronic CVT (for front-wheel-drive models) or the S-Tronic dual-clutch gearbox (for Quattro all-wheel-drive models).Â
Transmission types for the A4 B8 2.0 TDi
- Multitronic (CVT):Â This continuously variable transmission was used in front-wheel-drive B8 A4 2.0 TDi models. It is known for its smooth, stepless acceleration but also for expensive and sudden failures, particularly in earlier versions.
- S-Tronic (DSG):Â This dual-clutch transmission was used in Quattro all-wheel-drive B8 A4 2.0 TDi models. It is known for quick shifts and performance, but can also suffer from mechatronic unit or clutch pack failures.Â
How to ensure the correct gearbox for your vehicle
The most reliable way to find a compatible replacement gearbox is to locate the three-letter code stamped on the transmission itself or printed on your vehicle’s data sticker.
- Vehicle data label:Â Find the sticker in the spare wheel well or on the first page of the service book. The gearbox code will be on the same line as the engine code.
- Vehicle Identification Number (VIN): A reputable supplier can also confirm the correct gearbox for your specific vehicle by checking the VIN.
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