F20 F20 F30 F31. BMW N13 Engine N13B16 VACUUM PUMP GASKET KIT . 1 SERIES 114 116 1202011 - 2016 N13. 3 SERIES 316 3202011 - 2015 N13. That's the VITON-TECH difference. Our kit contains our 3 custom built Viton seals required to permanently repair the well known leaks on these models.
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