Throttle Body Gear Repair Kit - BMW N57 / N57S - for 13547806231

This repair kit is for the mechanical gear mechanism of the throttle body on the listed BMW N57 / N57S applications. Match the installed assembly reference, gear shape and tooth counts before ordering.

Applications

• BMW 3 Series E90 LCI (07/2007 - 12/2011)
• BMW 3 Series E91 LCI (07/2007 - 05/2012)
• BMW 3 Series E92 (03/2008 - 02/2010)
• BMW 3 Series E92 LCI (07/2009 - 06/2013)
• BMW 3 Series E93 (09/2008 - 02/2010)
• BMW 3 Series E93 LCI (09/2009 - 09/2013)
• BMW 5 Series F07 GT (09/2008 - 06/2012)
• BMW 5 Series F10 (01/2009 - 08/2011)
• BMW 5 Series F11 (01/2009 - 08/2011)
• BMW 7 Series F01 (09/2007 - 06/2012)
• BMW 7 Series F02 (09/2007 - 06/2012)
• BMW X5 E70 LCI (04/2009 - 06/2013)
• BMW X6 E71 (04/2009 - 06/2014)

Throttle Body Selection

Engine designations: N57 and N57S. Throttle body reference: 13547806231. Match the installed assembly and original gear design.

Gear Tooth Counts

• Sector / crescent: 23 teeth.
• Large circular gear: 59 teeth.
• Small circular gear: 10 teeth.

When to Inspect the Throttle Body

• Unstable idle.
• Fluctuating engine speed.
• Delayed accelerator response.
• Throttle position faults.
• Sticking or play in the mechanism.
• Uneven running after contamination or component wear.

Diagnose the throttle body before selecting repair parts; these symptoms do not establish a gear fault by themselves.

Checks After Repair

Check free flap movement, absence of play and housing cleanliness. Clean the unit and perform throttle body adaptation with diagnostic equipment if required for the vehicle.

Important Before Ordering

Compare the original part number, marking, shape and mounting design before ordering. A model name alone does not confirm the required version.

FAQ

How many teeth does the sector have?

23 teeth.

What are the circular gear tooth counts?

59 for the large gear and 10 for the small gear.

Is adaptation required?

Perform diagnostic adaptation if required for the vehicle after checking free movement, play and cleanliness.

Part Number / PN

13547806231

SKU: KL13547806231.

• BMW

Returns and exchanges

Request a change-of-mind return within 14 calendar days of delivery, then send the goods within 14 calendar days of notifying us. Our voluntary return option applies to unused, uninstalled, complete goods in their original condition and packaging. Exchanges are subject to availability and agreement.

The customer pays change-of-mind return shipping. No restocking fee applies. Refunds and original delivery charges are handled under our Refund & Return Policy and applicable law.

Faulty, damaged or incorrect goods

Email contact-us@klifex.net with your order details and a description of the problem. These claims are separate from change-of-mind returns. Where we are responsible, we bear the required remedy and return costs. Installation alone does not remove mandatory defect rights.

Your legal rights

Applicable statutory rights take precedence, including EU/EEA and UK withdrawal rights and legal guarantees. Necessary inspection does not remove a statutory withdrawal right; deductions for excessive handling must reflect an actual, evidenced loss of value.

Contact us for the correct return address before shipping. Our legal address is not a return address.

Read the full Refund & Return Policy