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Used BMW Brake Master Cylinders

All used BMW Brake Master Cylinders listed on Breakeryard.com are tested, original (OEM) manufacturer parts and come with a 14 day money back guarantee. Breakeryard.com list cheap new OES or aftermarket car parts at discounted prices and used OEM car parts up to 80% cheaper than main dealer prices for BMW from premium breaker yards from across the UK.

About Brake Master Cylinders

The BMW brake master cylinder is a crucial part of the vehicle’s braking system.  It is used to convert the mechanical force from the brake pedal into hydraulic pressure in order to stop the vehicle.  The brake system is split into two circuits and the pressure in each circuit is controlled by the BMW brake master cylinder.

The BMW brake master cylinder consists of two reservoirs for brake fluid and two pistons, and is attached to the brake lines.  When the driver depresses the brake pedal, this pushes on the first piston which causes pressure to build up in the BMW brake master cylinder.  As this pressure builds up it causes the second piston to compress the brake fluid.  This pressure should be even in both cylinders.  If it’s not, it is most likely caused by a leak.  In the case of a leak, the BMW brake master cylinder to operate using one piston.  This will cause the driver to have to press the brake pedal down further and further until eventually the brakes will fail.  Any damage to the BMW brake master cylinder should be minimised and the master cylinder should be repaired immediately.

BMW trivia

  • The famous German pilot, the Red Baron, called BMW engines the 'greatest in the world' and ‘the best engine in the war’.
  • It might not be the accessory that everyone needs, but for BMW drivers in South Africa who were worried about carjackers, the 'Blaster' was a flamethrower that shot huge flames from either side of the car. Not currently available in the UK…
  • Everyone knows what the BMW logo looks like, but do you know what it represents? Most people think it's inspired by propellers (because of BMW's aviation history), but it's really just the same colour scheme as the Bavarian flag and was designed to showcase Bavaria.
  • The BMW company was founded way back in 1916 and originally manufactured engines for planes. High demand for plane engines during WWI was good news for BMW, but they carried on making plane engines right up until 1945.
  • Electric cars might be all the rage now, but BMW built their first one in 1972 and called it the BMW 1602e. It didn't quite make it to market though, thanks to the fact that it could only hold a twenty-minute charge.