Seller notes

Used BMW 1271429 11331271429 Rocker arm without eccentric E28 with M20 engine, E30 with M20 engine, E34 with M20 engine Contact surface should be a symmetrical dome, and this part has noticeable wear. Rocker arms and camshafts wear as a closely matched set; so when dismantling and reassembling an engine it’s essential to keep track of the original positions. A mismatch will cause contact at an angle instead of a flat surface. Even if this is at a microscopic level, the wear will be much faster...

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