How to remove and install the Window Motor and Window Regulator on the BMW Z3?

For the removal and installation of the regulator of E30 door models, begin by taking off the door panel and following it up by the removal of the window glass together with the detachment of the wiring harness of the regulator motor. After that, remove the mounting screws from the door panel and extract the regulator from the door cutout and the installation is performed in the reverse manner. For E36 models, initial step will be the removal of the door panel; for four door models remove the window while for two door models, pull the glass of the window from the regulator and unwind it. Then take out the interior door handle, then drilling out mounting rivets, also unscrew the end of the arm and taking out the regulator. Installation is done in the reverse order, by removing the rivets and replacing these with M6x10 bolts, washers and matching nuts, the fasters should preferably be thread locked.

Genuine BMW Z3 Window Regulator

Electric Power Window Regulator

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6 Window Regulators found

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BMW Z3 Front Left Window Regulator
Part Number: 51328397703
$105.26 MSRP: $127.33
You Save: $22.07 (18%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Window Lifter Front Left
- Position: Front Driver Side
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1996-1998 BMW Z3 | 1.9L Engine(E36), Roadster 1.9L(E36), Roadster(E36)
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BMW Z3 Front Left Door Window Regulator
Part Number: 51338410553
$293.68 MSRP: $369.76
You Save: $76.08 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Electric.Window Lifter Front Left; Regulator, Window Regulator
- Position: Driver Side
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1999-2002 BMW Z3 | Coupe(E36)
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BMW Z3 Front Left Door Window Regulator
Part Number: 51338397705
$293.68 MSRP: $369.76
You Save: $76.08 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Electric.Window Lifter Front Left; Regulator, Window Regulator
- Position: Driver Side
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1996-2002 BMW Z3 | 1.9L Engine(E36), 2.8L Engine(E36), Roadster 1.9L(E36), Roadster 2.5L(E36), Roadster 2.8L(E36), Roadster 3.0L(E36), Roadster(E36)
View related parts
BMW Z3 Front Right Door Window Regulator
Part Number: 51338397706
$293.68 MSRP: $369.76
You Save: $76.08 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Electric.Window Lifter Front Right; Regulator, Window Regulator
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1996-2002 BMW Z3 | 1.9L Engine(E36), 2.8L Engine(E36), Roadster 1.9L(E36), Roadster 2.5L(E36), Roadster 2.8L(E36), Roadster 3.0L(E36), Roadster(E36)
View related parts
BMW Z3 Front Right Window Regulator
Part Number: 51328397704
$109.04 MSRP: $133.85
You Save: $24.81 (19%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Window Lifter Front Right
- Position: Front Passenger Side
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1996-1998 BMW Z3 | 1.9L Engine(E36), Roadster 1.9L(E36), Roadster(E36)
View related parts
BMW Z3 Front Right Door Window Regulator
Part Number: 51338410554
$293.68 MSRP: $369.76
You Save: $76.08 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Electric.Window Lifter Front Right; Regulator, Window Regulator
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1999-2002 BMW Z3 | Coupe(E36)

BMW Z3 Window Regulator

The BMW Z3 Window Regulator allows the driver to raise and lower the side glass while holding it in place. Behind the door trim of every BMW, there is a small but powerful device. It attaches to the panel using strong rivets. It consists of linked gears, arms, and tracks that glide the pane without wobble. During the production run of the sporty BMW Z3, there are two varieties: the crank-operated manual Window Regulator and the small motor-driven electric Window Regulator with a common goal of reliable vertical movement and steady support of the glass. The manual version depends on direct hand power, giving the early Z3 years simple mechanics and lighter weight. In contrast, the electric unit receives switch signals to spin its motor, giving fingertip convenience often preferred in later BMW models. Since each time a window is applied, every Window Regulator will cycle, these moving joints and plastic guides can wear, leading to joints becoming sluggish and may leave the glass stuck halfway. In turn, this can leave the cabin susceptible to varying weather. So, in an effort to nip this problem in the bud, many Z3 enthusiasts feel it worthwhile to replace a tired Window Regulator before complete failure.

If you are looking for OEM BMW Z3 Window Regulator, we highly recommend to shop with us. Not only do we offer budget friendly prices, but we also provide fast delivery. In addition, we have a hassle-free return policy on all genuine BMW Z3 Window Regulator that come backed by the manufacturer's warranty.

BMW Z3 Window Regulator Parts Questions & Experts Answers

Front Left Window Regulator
51328397703
Q:
How to remove and install the Window Motor and Window Regulator on the BMW Z3?
Posted by Terrence K.
A:
For the removal and installation of the regulator of E30 door models, begin by taking off the door panel and following it up by the removal of the window glass together with the detachment of the wiring harness of the regulator motor. After that, remove the mounting screws from the door panel and extract the regulator from the door cutout and the installation is performed in the reverse manner. For E36 models, initial step will be the removal of the door panel; for four door models remove the window while for two door models, pull the glass of the window from the regulator and unwind it. Then take out the interior door handle, then drilling out mounting rivets, also unscrew the end of the arm and taking out the regulator. Installation is done in the reverse order, by removing the rivets and replacing these with M6x10 bolts, washers and matching nuts, the fasters should preferably be thread locked.
Answered by BMW Parts Specialist Blaine / Apr 17, 2026