BMW Window Motor & Regulator Assembly for 4-Door Models
BMW Window Motor & Regulator Assembly for 4-Door Models
Complete window motor and regulator unit ready to bolt into your BMW 4-door—no core exchange, no surprises. This assembly handles both the lift mechanism and motor in one piece, eliminating the need to source components separately. Hard panel construction designed for direct installation at factory mounting points.
Key Features
- Complete assembly - Motor and regulator paired together eliminates compatibility guessing
- Factory attachment points - Mounts at OEM locations with no modification needed
- Pre-tested unit - Arrives ready to install, no bench testing required before fitment
Specs
- Configuration: Motor and regulator assembly combined
- Condition: Direct replacement unit
- Quantity: Single assembly
Whats Included
- Window motor and regulator assembly only
Frequently Asked Questions
Do I need to buy bolts and fasteners separately?
This assembly mounts at factory attachment points—fasteners are not included. Use your existing OEM hardware or pick up replacement bolts at any hardware store if yours are stripped.
Will this assembly work if my regulator tracks are bent or damaged?
The assembly installs into existing door tracks. If your tracks are bent or dirty, clean them out and straighten minor bends before installation—the new regulator won't compensate for damaged guideways.
Can I return this if it doesn't fit after I receive it?
Test-fit before fully committing to installation. If there's an issue, contact support with photos—returns are handled case-by-case within the standard return window.
Ships within 1-2 business days.
100% Genuine Parts
Fitment Guaranteed
BMW Window Motor & Regulator Assembly for 4-Door Models
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Contact Us
Leave us a message at: +17034100852 or email us at: sales@turbotechperformance.com
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.


