1166 7640 279 Brake Vacuum Pump for BMW 320i 328i 528i X1 X3 Z4 N20

◆ This brake vacuum pump is a direct replacement for the original BMW unit, designed to provide vacuum assist to the brake booster for proper pedal feel and braking performance.

◆ The OEM reference number is 1166 7640 279 (11667640279). Superseded references include 11667585189 and 11667634752 .

◆ The pump is a mechanical vane-type unit driven by the engine, engineered to OEM standard dimensions for direct fitment onto the rear of the engine block without modification .

◆ It is primarily designed for BMW models equipped with the N20 2.0L turbocharged engine, including the 125i (F20/F21), 320i/328i (F30/F31), 528i (F10/F11), X1 (E84), X3 (F25), X4 (F26), and Z4 (E89), covering model years from approximately 2011 through 2018 .

◆ This product is a brake vacuum pump manufactured to meet original quality standards for vacuum output, seal integrity, and durability.

◆ Part Number: 1166 7640 279 / 11667640279

◆ Superseded References: 11667585189, 11667634752

◆ Component Type: Brake Vacuum Pump / Mechanical Vane Pump

◆ Vehicle Make: BMW

◆ Engine Compatibility: N20 (2.0L Turbo Petrol)

◆ Operating Mode: Mechanical

◆ Pump Type: Vane Pump

◆ Note: The vacuum pump seal (11 12 7 507 217) is a separate part and may require replacement during installation

◆ OEM Standard Fit: Manufactured to exact original specifications for a direct, hassle-free replacement.

◆ Reliable Vacuum Assist: Provides consistent vacuum to the brake booster, maintaining proper pedal feel and braking confidence .

◆ Durable Construction: Built with materials resistant to engine heat, oil exposure, and continuous mechanical operation.

◆ Cost-Effective Solution: An ideal alternative to costly dealership parts without compromising on fit or function.

◆ BMW 125i (F20/F21): 2011–2013

◆ BMW 320i / 320i xDrive (F30): 2012–2015

◆ BMW 328i / 328i xDrive (F30/F31): 2011–2015

◆ BMW 528i / 528i xDrive (F10/F11): 2011–2016

◆ BMW X1 sDrive28i / xDrive28i (E84): 2010–2015

◆ BMW X3 xDrive28i (F25): 2011–2017

◆ BMW X4 xDrive28i (F26): 2015–2018

◆ BMW Z4 sDrive28i (E89): 2012–2016

◆ Note: Fitment varies by production date. Some applications specify use only up to a certain production month (e.g., 528i up to 07/2013, 328i up to 03/2013) . Verify against your vehicle’s original part number and production date before ordering.

Q1: Is this a genuine BMW part?

A: This listing refers to a replacement part manufactured to meet or exceed OEM standards. The 11667640279 reference is the original equipment part number. Both genuine BMW and aftermarket equivalents (such as Febi Bilstein) are available that match the original fit and function .

Q2: How do I confirm if it fits my vehicle?

A: Check your vehicle’s existing part number. If your current vacuum pump is stamped with 11667640279 or the superseded references 11667585189 / 11667634752, this replacement will fit . Also confirm your vehicle is equipped with the N20 2.0L engine and that the production date falls within the applicable range for your model .

Q3: What are the symptoms of a failing brake vacuum pump?

A: Common signs include a hard or stiff brake pedal, reduced braking assistance, oil leaks from the rear of the engine, and a whistling or hissing noise during braking . Since the pump provides vacuum to the brake booster, failure can significantly affect braking performance. A diagnostic inspection is recommended if these symptoms appear.