Febi 07999 Automatic Transmission Mount

Automatic Transmission Mount for BMW

Febi 07999 is an automatic transmission mount built with a rubber and metal bush design for stable drivetrain support. It is specified with an M8 x 1.25 outside thread, 33.0 mm and 68.0 mm length dimensions, and a 50.0 mm outer diameter for the listed BMW applications.

This Febi 07999 transmission mount is a direct-fit style replacement for select BMW 325i, BMW 635CSi, and BMW 325e models. It is a non-hydraulic rubber metal bush mount intended for automatic transmission mounting points where OE-style dimensions and material construction matter.

Key Features

• Automatic transmission mount for select BMW applications
• Rubber / metal bushing material for controlled support
• Non-hydraulic rubber metal bush mounting type
• Outside thread: M8 x 1.25
• Length dimensions: 33.0 mm and 68.0 mm
• Outer diameter: 50.0 mm
• Febi part number 07999

Fitment Details

• Fits 1987-1990 BMW 325i, N/A. Notes: Length 1 (mm): 33; Length 2 (mm): 68; Outside Thread 1: M8 x 1.25; Outer Diameter 1 (mm): 39; Outer Diameter 2 (mm): 50; Material: rubber / metal; Mounting Type: non-hydraulic rubber metal bush.
• Fits 1985-1989 BMW 635CSi, N/A. Notes: Length 1 (mm): 33; Length 2 (mm): 68; Outside Thread 1: M8 x 1.25; Outer Diameter 1 (mm): 39; Outer Diameter 2 (mm): 50; Material: rubber / metal; Mounting Type: non-hydraulic rubber metal bush; From Construction Year: 09/1985.
• Fits 1984-1986 BMW 325e, N/A. Notes: Length 1 (mm): 33; Length 2 (mm): 68; Outside Thread 1: M8 x 1.25; Outer Diameter 1 (mm): 39; Outer Diameter 2 (mm): 50; Material: rubber / metal; Mounting Type: non-hydraulic rubber metal bush.

This part cross-references BMW OE numbers 23 71 1 130 205 and 23 71 1 175 939 for the same application.

What It Helps Address

• Transmission movement under load
• Excess drivetrain vibration at the mount point
• Worn or collapsed rubber-metal support
• Incorrect fitment from mismatched mount dimensions
• Noise transfer from a deteriorated transmission mount

Installation Notes

Verify the mount dimensions, thread size, and OE reference numbers before installation. Confirm the vehicle application by model year and construction date, especially for the 1985-1989 BMW 635CSi listing with a 09/1985 build-date note. Compare the existing mount to the listed 33.0 mm, 68.0 mm, and 50.0 mm measurements to ensure proper alignment.

Quality Assurance

Febi is an established aftermarket brand known for OE-style replacement parts. Febi 07999 is built to match the specified rubber/metal construction and dimensional requirements for the listed BMW automatic transmission applications.