BMW E46 B58/S58 6cyl Engine Brackets/Mounts Bolt-On Kit!

Description

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For sale is a 2pc set of brackets to adapt your BMW B58 S58  to your BMW E46 Chassis. This expandable BMW Engine Swap 2pc kit comes complete with everything needed to properly install your B58 or S58 engine into your E46 Chassis. Moreover, the base material comes in either Hot Rolled, Pickled & Oiled 1/4″ Steel. Finally, the parts are machine bent, welded high quality Tig Welded in deep penetrating beads and finally test fit to perfectly bolt on to your engine block (just pick the appropriate drop down).

This kit potentially complements either the ZF 8HP50Z transmission or the GS6-17 into your E46 Chassis for now. 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 B58 Engine.

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

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

Due to the multitude of Transmission Brackets that may be used, it is not included and is a variable product chosen by the customer if desired.

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 B58 or S58 Engine and/or The E46 Chassis Include:

• B58 Oil/Coolant Heat Exchanger replaced with remove plate for external oil cooling application
• RWD Oil Pan 2x Gussetting Removal
• E46 Subframe Gusset Shave on Inside Rack Mounts

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.