Spring for chain tensioner Duplex for BMW /5 ,/6 and /7 models up to 9/1978.
Spring for chain tensioner Duplex chain
For best results, and while you are in there, always replace both the spring and the tensioner when you replace the timing chain!!
Duplex chains were used on all models up to 9/78.
Fits BMW R 50/5, R 60/5, R 75/5, R 60/6, R 75/6, R 90/6, R 90S, R 60/7, R 75/7, R 80/7, R 100/7, R 100S, R 100RS
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