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BMW 2 3 4 5 Series, X1, X3, X4, Z4 B46 B48 Valve Cover Assembly 11129452895 (16-26)
BMW 2 3 4 5 Series, X1, X3, X4, Z4 B46 B48 Valve Cover Assembly 11129452895 (16-26)
BMW 2 3 4 5 Series, X1, X3, X4, Z4 B46 B48 Valve Cover Assembly 11129452895 (16-26)
BMW 2 3 4 5 Series, X1, X3, X4, Z4 B46 B48 Valve Cover Assembly 11129452895 (16-26)
BMW 2 3 4 5 Series, X1, X3, X4, Z4 B46 B48 Valve Cover Assembly 11129452895 (16-26)
BMW 2 3 4 5 Series, X1, X3, X4, Z4 B46 B48 Valve Cover Assembly 11129452895 (16-26)
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Genuine- BMW

BMW 2 3 4 5 Series, X1, X3, X4, Z4 B46 B48 Valve Cover Assembly 11129452895 (16-26)

$687.50
$498.75 In Stock Pre-Order Sold out
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Fitment

Fitment is confirmed against your VIN before dispatch.

Specifications

ConditionNew Genuine
ModelBMW 2 3 4 Series, X1, X3, X4, Z4
Country of MfrGermany
Year2016-2025
Warranty6 Months
TypeValve Assembly Cover
Mfr Part Number11129452895
  • Description
  • Fitment
  • Shipping
  • Reviews

OEM Genuine BMW Plastic Cylinder Head Valve Cover Assembly for 2.0L 4-Cylinder B46 and B48 engines. Fits 2, 3, 4, 5 Series, X1, X3, X4, Z4 (2016–2026). Replaces 11129452895.


What’s Included

This describes a single primary engine mechanical service kit utilizing OEM specifications.

  • 1x Genuine BMW Plastic Valve Cover Assembly - Replaces 11129452895.

 

Fitment
Brand Model Year
BMW 2 Convertible (F23) 230 i 2016–2021
BMW 2 Coupe (F22, F87) 230 i 2016–2021
BMW 3 (G20, G80) 330 e / 330 i / xDrive 2018–Present
BMW 3 Touring (G21) 320 i / Touring Van 2019–Present
BMW 4 Convertible (G23) 420 i 2020–Present
BMW 4 Coupe (F32) 430 i / xDrive 2016–2020
BMW 4 Coupe (G22) 420 i / 430 i / xDrive 2020–Present
BMW 4 Gran Coupe (G26) 420 i / 430 i 2021–Present
BMW 5 (G30, F90) 520 i / 530 e / 530 i (incl. Mild-Hybrid) 2016–2023
BMW X1 (F48) xDrive 25 i 2015–2021
BMW X3 (G01) xDrive 30 e / 30 i 2017–Present
BMW X4 (G02) xDrive 20 i / 30 i (incl. Mild Hybrid) 2018–Present
BMW Z4 Roadster (G29) sDrive 20 i / 30 i 2018–Present
MINI MINI (F55/F56) Cooper S / JCW / John Cooper Works 2013–Present
MINI MINI CLUBMAN (F54) Cooper S / ALL4 / JCW 2014–Present
MINI MINI COUNTRYMAN (F60) Cooper S / ALL4 2016–Present
MINI MINI Convertible (F57) Cooper S / JCW 2014–Present
Brand Model Year
BMW 2 Convertible (F23) 230 i 2016–2021
BMW 2 Coupe (F22, F87) 230 i 2016–2021
BMW 3 (G20, G80) 330 e / 330 i / xDrive 2018–Present
BMW 3 Touring (G21) 320 i / Touring Van 2019–Present
BMW 4 Convertible (G23) 420 i 2020–Present
BMW 4 Coupe (F32) 430 i / xDrive 2016–2020
BMW 4 Coupe (G22) 420 i / 430 i / xDrive 2020–Present
BMW 4 Gran Coupe (G26) 420 i / 430 i 2021–Present
BMW 5 (G30, F90) 520 i / 530 e / 530 i (incl. Mild-Hybrid) 2016–2023
BMW X1 (F48) xDrive 25 i 2015–2021
BMW X3 (G01) xDrive 30 e / 30 i 2017–Present
BMW X4 (G02) xDrive 20 i / 30 i (incl. Mild Hybrid) 2018–Present
BMW Z4 Roadster (G29) sDrive 20 i / 30 i 2018–Present
MINI MINI (F55/F56) Cooper S / JCW / John Cooper Works 2013–Present
MINI MINI CLUBMAN (F54) Cooper S / ALL4 / JCW 2014–Present
MINI MINI COUNTRYMAN (F60) Cooper S / ALL4 2016–Present
MINI MINI Convertible (F57) Cooper S / JCW 2014–Present

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Order Processing

Standard orders
1–7 days
Business days to dispatch
Custom & special orders
Varies
Based on sourcing & availability

For custom and special orders, we will contact you directly with an estimated timeframe before dispatch.

Estimated Delivery Times

All orders (WORLDWIDE)
2–5 days
Business days after dispatch
Custom & special orders
Varies
Based on sourcing & availability

International delivery times are estimates and may be affected by customs clearance procedures in the destination country.

Shipping Rates

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United States (USA)

Order Type Rate (USD)
Eligible Designated Items (USA only) $10.00 flat
Standard Orders: $0.00 – $300.00 $75.00
Standard Orders: $300.01 and up Free

The $10 flat rate applies only to select qualified products. If eligible $10 items are purchased alongside standard products, shipping is calculated per item profile and combined at checkout.

Rest of World
For all other destinations, orders over $300 ship free. Orders under $300 are charged a flat rate:

Order Subtotal Rate (USD)
$0.00 – $300.00 $75.00
$300.01 and up Free

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  • Please double-check your delivery details before placing your order to ensure a smooth delivery.

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Frequently Asked Questions

What is the difference between part numbers 11129452895 and 11128631745?
Part number 11128631745 was the original valve cover design installed at the factory, which utilized a 1-piece gasket. BMW later superseded it with part number 11129452895, which features an updated 3-piece sealing profile for better long-term reliability. This listing provides the updated design.
Can I replace just the PCV valve (Oil Separator) on my B46/B48?
No. BMW integrated the PCV valve directly into the plastic housing of this valve cover. When the internal rubber diaphragm ruptures (causing the infamous whistling noise and vacuum leak), the entire valve cover assembly must be replaced.
Does this kit include the mounting bolts?
Yes. The B46/B48 valve cover utilizes specialized aluminum mounting screws that are "torque-to-yield" (one-time use). This complete assembly comes with all the necessary hardware pre-installed into the cover for a seamless swap.
Will this fit the 6-cylinder models (M240i, M340i, X3 M40i)?
No. This valve cover is exclusively designed for the 2.0L 4-cylinder (B46/B48) engines, commonly badged as "30i" or "28i" (e.g., 330i, X3 xDrive30i, Z4 sDrive30i). The 6-cylinder B58 engines require a longer, completely different valve cover.