The BMW 135i began in the first generation of the series in 2007 coded as E82 or E88, depending on the body style. For its good performance, the BMW 135i was regarded as a perfect successor to the previous models. Its success comes from classic parts like the 135i valve stem oil sea. But poor BMW valve stem oil seal parts can lead to an increase in engine emission, friction, and poor fuel efficiency.
135i has lots of auto parts with impressive performance, like the BMW valve stem oil seal. But the BMW 135i parts still need repair and maintenance after a long time of usage. The 135i valve stem oil seal parts should be replaced every 150,000 miles. The BMW valve stem oil seal parts should be replaced as follows. Drain the coolant, remove the cylinder heads off the engine block, attach a compressor check tool, and used compressed air to hold the valve in place then the compressed air will allow for the removal of the spring and not let the valve drop, next place the cylinder on top dead center, use a valve spring compressor tool to compress the valve springs and remove the valve spring, finally pull the BMW valve stem oil seal out of place with some pliers. There are lots of top-quality and durable 135i valve stem oil seal parts online. The vast catalog includes the braking system, the powertrain, the valve stem oil seal, the chassis, and other types of BMW 135i parts.