Pics for interest

[Henry]

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41AE0A92-5A98-4E95-A9F9-B0442299A962.jpeg (3.05 MiB) Viewed 1145 times

These pictures are from my VW R32 and M3 both with similar mileage (100k) the B3 and V8 BMW engines with 170k look equally clean. All have been well serviced with oil changes at 7.5k intervals. Why is the VW internals so grotty in comparison to the BMWs