MrP502 Posted September 6, 2023 Share Posted September 6, 2023 Hi all. I am new here, so I apologise in advance聽馃槵 I am currently restoring a B6 S4 Manual Avant. The front subframe is completely toasted and needs replacing. The current one has a serial number of 8EO 399 313 AM. I cannot find one for sale with the same numbers and letters. All the ones I seem to find have the same numbers, but the last 2 digits vary. Common ones appear to end in BD, there are also plenty of other variations.聽 Can anyone shed any light on this? Are all of the subframes interchangeable? I do believe there might be some slight differences with the Cabriolet models?聽 Basically this is the main thing that is holding my build up. Without this my restoration is going nowhere! Thanks in advance Ash Quote Link to comment Share on other sites More sharing options...
Steve Q Posted September 6, 2023 Share Posted September 6, 2023 This link might help:聽 https://www.audi-sport.net/xf/threads/audi-a4-avant-front-subframe-compatibility.379231/ Quote Link to comment Share on other sites More sharing options...
LarHal Posted February 22 Share Posted February 22 B6 and B7 front sub frames are the same.聽 Also so are the rear sub frames for FWD. I Have replaced both. 聽 Larry Quote Link to comment Share on other sites More sharing options...
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