Burkard Bovensiepen GmbH+Co. KG Number: Page 1 of 4 Alpenstraße 35-37,D-86807 Buchloe 88 03 406 Responsible: Date: Mounting instructions: Radial compressor Development 28.03.2007 clutch package BMW B5/B6/B7 Change of: 04.04.2007 Please pay attention to the following: Expert knowledge is required! Mounting preparation - Remove radial compressor according to ALPINA repair instructions 88 03 313 (for B7), 88 03 357 (for B5/B6).

Scope of parts 11 65 748:

1 Clutch unit 2 Pulling plate 3 Guide sleeve 4 Threaded bolt 5 Hex bolt M6x30 (2x) 6 Sealing ring (2x) 7 Protective cover (2x) 8 Protective cap (2x) 9 Protective cap

Seal all orifices with protective caps (1,2) and pro- Remove belt pulley screws (1). Remove pulley (2). tective covers (3). Mounting instructions: Tight screws in crosswise pattern to 9Nm.

Remove spacer (1, Ø 69mm) and dispose of it. Remove retaining screw (2) while holding the hex head (1) in place. Remove retaining screw and hex head. Burkard Bovensiepen GmbH+Co. KG Number: Page 2 of 4 Alpenstraße 35-37,D-86807 Buchloe 88 03 406 Responsible: Date: Mounting instructions: Radial compressor Development 28.03.2007 clutch package BMW /B6/B7 Change of: 04.04.2007

Remove thread locking compound by using a Attention: During assambly the complete removal threading tap M8. Attention: Threading taphas to unit (threaded bolt, guided sleeve and pulling plate) be dry and free of grease. (For cleaning the tap use has to be free of grease! e.g. BMW brake cleaner 83 11 9 407 848). Screw in threaded bolt (1, use 17mm wrench) with short Remove thread locking compound with compressed side of thread all the way into retaining screw tap hole. air. Attention: Wear safety goggles!

Mounting removal unit: Screw pulling plate (1) onto Retain clutch housing (e.g. with tightening strap), threaded bolt (2) to the stop and screw in hex bolts turn removal unit counterclockwise (if necessary M6x30 (3) by hand into clutch package. with open-end wrench, use 19mm wrench) and remove clutch package from bearing pin.

Remove hex bolts (1) and pulling plate (2). Leave threaded bolt (1) in bearing pin (2), check that Dispose of disassambled clutch package. threaded bolt is tight against the bearing pin (possibly re-tighten bolt). Clean clutch housing with dry cloth. Clean bearing pin and lubricate it with oil. Burkard Bovensiepen GmbH+Co. KG Number: Page 3 of 4 Alpenstraße 35-37,D-86807 Buchloe 88 03 406 Responsible: Date: Mounting instructions: Radial compressor Development 28.03.2007 clutch package BMW ALPINA B5/B6/B7 Change of: 04.04.2007

Attention: During assembly the clutch package Slip over clutch package on bearing pin according Allen head bolt (1) has to be turned in! to illustration.

Slip on guide sleeve (1) in the direction of the clutch Hold clutch housing (1, e.g. with tightening strap) package onto threaded bolt and screw on pulling and turn pulling plate (2) clockwise to the mechanical plate (2). stop.

Remove pulling plate and guiding sleeve. Screw out Install hex head (1), screw in retaining bolt (2) supplied threaded bolt (1) with an open-end wrench (use 17mm with thread locking compound (Loctite 243, BMW wrench). part number 07 58 9 056 031). Hold hex head still and torque retaining screw to 22Nm. Remove Allen head bolt (3) and dispose of it. Burkard Bovensiepen GmbH+Co. KG Number: Page 4 of 4 Alpenstraße 35-37,D-86807 Buchloe 88 03 406 Responsible: Date: Mounting instructions: Radial compressor Development 28.03.2007 clutch package BMW ALPINA B5/B6/B7 Change of: 04.04.2007

Install belt pulley (2) and tighten screws (1) in Stick label with part number 11 65 750 (for B7) or crosswise pattern. Tightening torque: 9Nm. 11 65 751 (for B5 and B6) so that the serial number and production code remains readable.

Remove all protective covers and caps. Replace old and grease new sealing rings (1).

Install radial compressor according to ALPINA repair instructions 88 03 313 (B7); 88 03 357 (B5/B6).

We reserve the right to undergo changes in construction and equipment in interest of continued product development !