BMW E46 B46/B48 4cyl Engine Brackets/Mounts Bolt-On Kit!

Description

PRE-ORDER NOW UNTIL 10/15/2025!!!

Want to see how we developed? Click here!

Yes, you may be taking a risk not seeing the FINAL production version, but you must trust us!! What is currently shown in the pictures is the prototype configuration. The production configuration will be more representative of our E30 or E36 N5X Brackets. The production version will be A36 Mild Steel and the final design will be sleek, light, strong, and stylish!

For pre-order sale is a set of BMW B48 to BMW E46 Chassis brackets kit. This BMW Engine Swap 3pc kit comes complete with everything needed to properly install your B48B20 Gen1 or Gen2 engine into your E46 Chassis. Furthermore, this kit complements EITHER the ZF 8HP50Z transmission or the Getrag GS6-17 into your E46 Chassis. More testing for manual transmission options as well as confirmation of the ZF 8HP70Z model. Just bolt on and go! Finally, the parts are machine bent, produced with deep penetrating Tig Welds and finally test fit to perfectly bolt on to your B48 Engine.

For your convenience, this 3 piece kit comes with the following components:

• Driver Side Bracket – 1x
• Passenger Side Bracket – 1x
• Transmission Bracket – 1x

Optional accessories a la carte include:

• 4pc Rubber Motor Mounts Kit (Febi/Bilstein)
• 8pc Aluminum M8-1.25 Torx Bolts Set

If deciding to procure your own motor mounts, keep in mind that these brackets were designed with these motor mounts in mind. You may procure 80A Poly, 95A Poly or even delrin/aluminum, so long as it positions the engine in the same manner as these rubber mounts (Height, offset…etc).

Motor Mounts Required: 22116779970

Trans Mounts Required: 22316799331

The modifications to the B48 Engine and/or The E46 Chassis Include:

• E46 HVAC Shroud Modified
• E46 Subframe Gusset Shave on Inside Rack Mounts
• E46 Brake Booster Metal Housing Modify for Coolant Passage

You’re not alone in this swap! There is so much available to help you pull this off, read below for supporting products, companies, and hardware! First, don’t forget about the video we developed and are continuing to provide updates. Click here!

This kit is designed and recommended to use E46 Motor Mounts to have proper trans output driveshaft alignment and hood clearance is provided with this kit. Additionally, there will be the opportunity to purchase a 8 piece M8x1.25 Hardware Screw kit for installation of the new brackets into your engine block! Finally, and most importantly there will be an E46 B58 Integrators Guide Releasing in 2026, which features these products, including details on wiring, air conditioning, power steering, mechanical/electrical, and SO much more!!

Installation is Bolt-On, with no customer required modifications other than listed above.

We offer domestic shipping, flat rate. Moreover, we also offer international shipping to Europe, South America, South Africa. For any swap help, feel free to contact us here! Customer satisfaction & warranty good for 1 year from date of purchase.