As said above, ONLY use GM OEM Gaskets whether you are using a stock exhaust system, cheap or expensive exhaust manifolds. Fix leaks and pay for the right things the first time. Do not do that. cheap, don't do your project twice.
π§ FEL-PRO OS 34308 R Oil Pan Gasket Set: High-quality, Leak-proof Solution for Optimal Engine Performance
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π§ Bapmic Engine Valve Cover with Gaskets & Bolts for BMW E82 E90 E70 128i 328i 528i X3 X5 Z4 (Part Number 11127552281)
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