Vacuum Pump Diaphragm – BMW N55 / N63 / N63N / S63N | OEM 11667575325 11668605976

A failed vacuum pump diaphragm on BMW N55, N63, N63N, and S63N engines causes oil seepage from the pump and reduced brake servo vacuum. This direct replacement diaphragm restores correct pump sealing and vacuum output. BMW models with N55, N63, N63N, and S63N engines — 335i, 435i, 535i, X3/X4/X5/X6 35i; 550i, 650i, 750i, X5/X6 50i; M5 F10, M6 F12/F13

Fits OEM #11668605976.

When to Inspect This Part

• reduced vacuum-system performance
• loss of vacuum assistance
• oil leakage at the pump
• related system operates intermittently

What's Included

• 1 × Vacuum Pump Diaphragm

OEM Part Numbers and Vehicle Fitment

Additional confirmed fitment

• BMW 1 Series E88 (09/2009 - 10/2013)
• BMW 1 Series E82 (09/2009 - 10/2013)
• BMW 3 Series E90 LCI (09/2009 - 12/2011)
• BMW 3 Series E91 LCI (09/2009 - 05/2012)
• BMW 3 Series E92 LCI (11/2008 - 06/2013)
• BMW 3 Series E93 LCI (11/2008 - 10/2013)
• BMW 5 Series F07 GT (09/2008 - 06/2013)
• BMW 5 Series F10 (01/2009 - 06/2013)
• BMW 5 Series F11 (02/2009 - 06/2013)
• BMW 6 Series F06 Gran Coupé (05/2011 - 02/2015)
• BMW 6 Series F12 (10/2009 - 02/2015)
• BMW 6 Series F13 (04/2010 - 02/2015)
• BMW X1 E84 (04/2009 - 04/2015)
• BMW X3 F25 (07/2009 - 08/2017)
• BMW X5 E70 LCI (04/2009 - 06/2013)
• BMW X6 E71 (07/2009 - 06/2014)
• BMW 5 Series F07 GT LCI (08/2012 - 02/2017)
• BMW 5 Series F10 (01/2009 - 10/2016)
• BMW 5 Series F10 LCI (08/2012 - 10/2016)
• BMW 5 Series F11 (09/2010 - 06/2013)
• BMW 5 Series F11 LCI (08/2012 - 02/2017)
• BMW 6 Series F06 Gran Coupé (06/2011 - 03/2015)
• BMW 6 Series F06 Gran Coupé LCI (06/2014 - 09/2018)
• BMW 6 Series F12 (11/2009 - 02/2015)
• BMW 6 Series F12 LCI (05/2014 - 05/2018)
• BMW 6 Series F13 (03/2010 - 02/2015)
• BMW 6 Series F13 LCI (06/2014 - 10/2017)
• BMW 7 Series F01 (06/2007 - 06/2012)
• BMW 7 Series F01 LCI (05/2011 - 05/2015)
• BMW 7 Series F02 (07/2007 - 06/2012)
• BMW 7 Series F02 LCI (05/2011 - 05/2015)
• BMW 7 Series F03 (06/2008 - 05/2012)
• BMW 7 Series F03 LCI (03/2012 - 06/2013)
• BMW 7 Series F04 Hybrid (10/2008 - 06/2012)
• BMW X5 E70 (07/2008 - 06/2013)
• BMW X5 F15 (08/2012 - 06/2018)
• BMW X5 M F85 (04/2013 - 06/2018)
• BMW X6 E71 (01/2007 - 06/2014)
• BMW X6 E72 Hybrid (10/2008 - 10/2011)
• BMW X6 F16 (09/2013 - 05/2019)
• BMW X6 M F86 (10/2013 - 05/2019)

Part Number / PN

11668605976, 11667575325, 1667575325, 11667566291, 11667619388, 11667619350, 11667611115, 11668618897, 7.24807.34.0, 11667525815

Important Fitment Check

Before ordering, compare the part design, dimensions, connectors, and every available OEM/P/N marking with the part installed on the vehicle. Matching OEM/P/N 11668605976 is the primary fitment check.

FAQ

How do I confirm fitment for this Vacuum Pump Diaphragm?

Compare the exact OEM/P/N and physical design with the installed part. The primary reference is 11668605976. Do not select the part by vehicle model alone.

What symptoms may indicate a problem with this Vacuum Pump Diaphragm?

Confirmed symptoms include reduced vacuum-system performance, loss of vacuum assistance, oil leakage at the pump, related system operates intermittently. Diagnose the original assembly before ordering so another fault is not mistaken for this part.

What is included with this Vacuum Pump Diaphragm?

The confirmed kit contents are: 1 × Vacuum Pump Diaphragm.

Does this listing include the complete surrounding assembly?

No. It includes only the item or repair components identified for this SKU. Inspect related parts separately and replace them only when diagnosis confirms a fault.

What should be checked before installation?

Check the OEM/P/N, dimensions, connectors, orientation, and condition of the mating components. Installation should follow the correct service procedure for the specific vehicle and assembly.

• BMW

Orders ship within 1–2 business days.

Standard delivery:

• USA: Some items ship from our US warehouse and arrive within 3 business days.
• USA-EU: 10–21 business days
• Worldwide: 14–30 business days

Shipping cost is shown at checkout.

Can I exchange or return an item?

Yes, you can exchange or return an item within 14 days of purchase. This right is guaranteed to you by the Law on the Protection of Consumer Rights

To use this feature, please make sure that:

• the product was not in use and has no traces of use: scratches, chips, abrasions, etc.
• the goods are fully completed and the integrity of the packaging is not violated
• retained all labels and factory markings