Müşterinin istediği üzere tamir standı bisiklet bakımı için hazırlandı.

Here üzere means something like as, in accordance with, or as requested.

So müşterinin istediği üzere means as the customer requested/wanted.

In this sentence, üzere is a postposition that follows a noun-like clause. It is a bit more formal than everyday alternatives like gibi.

Because the clause istediği is a -DIK subordinate clause, and in this type of structure the subject is usually put in the genitive.

So:

• müşteri = customer
• müşterinin = the customer’s / of the customer

In other words, Turkish is building something like what the customer wanted or as the customer wanted, and that requires müşterinin.

Because this is not a main verb. It is a subordinate / nominalized / participle-like form.

• istedi = he/she wanted as a complete finite verb
• istediği = what he/she wanted, that he/she wanted, or in this sentence as he/she wanted

So müşterinin istediği üzere is not a full independent sentence. It is a phrase attached to the main clause.

It comes from istemek = to want / to request.

A simplified breakdown is:

• iste- = verb stem
• -dik = a suffix used to make a noun-like/relative-clause form
• -i = 3rd person possessive agreement

Because of sound changes, -dik + i becomes -diği.

So:

• iste + dik + i → istediği

This is a very common Turkish pattern.

It is not completely fixed, but it is a very common pattern.

The important pattern is:

[genitive subject] + [verb in -DIK form] + üzere

This often means:

• as ... requested
• as ... stated
• in the way that ... wanted

So müşterinin istediği üzere is a natural formal way to say as the customer requested.

Because tamir standı is a Turkish noun compound.

In many Turkish compounds, the first noun stays plain and the second noun gets a suffix:

• tamir = repair
• stand = stand
• standı = stand + compound suffix

So tamir standı means repair stand.

This is very normal in Turkish:

• araba kapısı = car door
• çocuk kitabı = children’s book
• tamir standı = repair stand

For the same reason: this is also a noun compound.

• bisiklet = bicycle
• bakım = maintenance
• bakımı = maintenance + compound suffix

So bisiklet bakımı means bicycle maintenance.

Turkish often expresses X maintenance, X door, X center, X problem, etc. with this compound pattern.

Here için means for.

So:

• bisiklet bakımı için = for bicycle maintenance

It shows the purpose or intended use of the repair stand.

Because hazırlandı means was prepared or got prepared / was made ready, while hazırladı means prepared something.

Compare:

• hazırladı = he/she prepared it
• hazırlandı = it was prepared / it got ready

In this sentence, tamir standı is the thing being made ready, not the doer of the action. So hazırlandı is the correct form.

Yes, in this sentence it is best understood as passive-like: was prepared.

It comes from hazırlanmak, which often means:

• to get ready
• to be prepared

So the sentence focuses on the result, not on who prepared the stand.

Turkish usually puts the verb at the end, and information before the verb can be arranged for emphasis.

Here the order is:

• Müşterinin istediği üzere = manner/according to what request
• tamir standı = subject
• bisiklet bakımı için = purpose
• hazırlandı = verb

This order is natural and clear. It gives the background first: as the customer requested.

You could move parts around, but the focus would shift slightly.

Yes, it sounds somewhat formal or professional, especially because of üzere.

A more everyday version might use:

• müşterinin istediği gibi
• müşterinin isteğine göre

These are closer to the way the customer wanted or according to the customer’s request.

So üzere is correct, but it has a slightly more formal written tone.

Because Turkish does not have a direct equivalent of the English definite article the.

Whether something is understood as a repair stand or the repair stand often depends on context.

So tamir standı can be interpreted from context, and English translations may choose the or a depending on what sounds natural.