A common problem with BMW E90, E92 and E93 M3's is failure of the downpipe to Catalytic converter/front silencer gaskets. Falure of this part is not only an MOT failure in the UK, but can also cause engine misfires across multiple cylinders.

This kit consists of:-

2 OE BMW Gasket Rings (Graphite Composite)

4 OE BMW Copper Hex Nuts

4 Stainless Steel Hi-tensile bolts