Genuine BMW gaskets are Viton material, will last around FOUR TIME as long as non-Viton "bargain" gaskets.

The "bargain" gaskets are great for used car lots fixing leaks for minimum parts costs and shady indy shops that will be glad to re-do the job every few years.

If you plan on keeping the vehicle, Genuine BMW ONLY!

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'03 X5 4.4 Sport, last of the M62s (8-03 build date)
I believe in deadication to craftmanship in a world of mediocrity!