When your car is running normally everything is fine, however if it begins to have frequent problems you might begin to speculate, especially if your car won’t start. In this post we will show you where the starter of a Bmw Z4 is, it will help you to solve your ignition problems. To achieve this, we will first illustrate the role of a starter, then, where is the starter on a Bmw Z4 , and, at last, how to change the starter of a car.

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Purpose of the starter on your Bmw Z4

We begin this content page by explaining the role of the starter motor on your Bmw Z4. The starter is an electric motor which is powered by your battery, its function will be to make your engine run at a high enough speed to start it (usually around 300/400 rpm). It is composed of three main parts:

  • The Solenoid: This part is an electrical relay that will act as a switch, it will be activated by the key of your Bmw Z4 and let the current from your battery to the engine unit of your alternator.
  • The engine unit: Main element of your alternator, it is the one that will drive the flywheel of your Bmw Z4 and generate enough speed for your engine unit to begin.

  • The engagement pinion: This is the last component of your starter, it is the toothed wheel that will be in direct contact with the flywheel, it enables to transfer the force from the starter to the engine.

Where is the starter on a Bmw Z4?

Now that we have fairly quickly explained what a starter is and how it functions, we will answer the question that most of you have to ask yourselves where is the starter based on a Bmw Z4? It is quite easy to find a starter, in fact, it is a large component that will almost constantly be situated in a similar location. We let you see the two possible places for your car starter below.

Location of the starter on classic Bmw Z4

First and most general circumstance, where to find the starter of a Bmw Z4 with a conventional motor (implied without start and stop). The starter has a specific action, to start the engine unit of your car, for that, it must constantly be near the engine unit flywheel of this one because it is the component that it actuates when it is used. The flywheel is based at the junction between your gearbox and your engine unit.

Location of the starter to Bmw Z4 with start and stop

And now second possible starter location of your Bmw Z4 . This case is much less frequent. It just is about engines built with start and stop, and a good component of them will be equipped with a starter situated close to the flywheel. However, on some specific series or engines, the starter of your Bmw Z4 may be built in in your alternator, it is then named a starter-alternator, to find it nothing much easier, find your accessory belt and you should find out the big starter block.

How to change the starter on a Bmw Z4?

Finally, we’ll describe to you actually quite fairly quickly how to change the starter of a Bmw Z4. This process is not necessarily complex, it can be considered by people who have a lowest of simple mechanical knowledge and adapted equipment. Adhere to below the main steps to perform this intervention:

  • Disconnect the battery on your Bmw Z4, if you don’t know how to do it, don’t think twice to seek advice from our content page which details how to do it without taking any risk.
  • After discovering your starter, loosen the fasteners that hold it in your engine unit block, there will in most cases be 2 or 3
  • .

  • It will be time to disconnect the power cables from the starter motor of your Bmw Z4, however before doing so we advise you to take a picture of the set up to avoid making a mistake when reassembling.
  • It’s possible that to remove it you might need to remove parts like the gimbal.
  • Remount the new starter, being careful when connecting the connectors.
  • Reconnect your battery and test your starter.

If you have any additional questions about the Bmw Z4, do not hesitate to consult our Bmw Z4 category.