
[1] Stainless Steel intake pipe bracket
[1] Stainless Steel fresh air hose bracket
[1] Silicone turbo inlet hose
[1] 2.75” Silicone coupler
[1] Aluminum or Carbon Fiber Air intake pipe
[2] SS Button head bolts M6 x 16mm
[1] SS Button head bolt M6 x 10mm
[1] Aluminum Breather Tube Adapter
[1] 10mm Socket or Wrench
[1] Degreaser or contact cleaner
HI-FLOW INDUCTIONS KIT* – NM.658856.2 / B.2 / C.2
[R55] MINI Cooper S 2011 – Up N18
[R56] MINI Cooper S 2011 – Up N18
[R57] MINI Cooper S 2011 – Up N18
*For vehicles with Mass Airflow Sensor * NOT for US, Canada, and South Korean spec cars. Please use NM.658857.
PARTS INCLUDED:
TOOLS & SUPPLIES REQUIRED:
1. Squeeze the locking collar then pull-off breather hose to
disconnect from cylinder head cover.
2. Remove the wire harness support mounts from the air intake
tube.
4. Squeeze locking tab then disconnect electrical connector
from Mass Airflow Sensor (MAF).
5. Separate brake booster line holder from fresh air intake hose.
Use needle nose pliers to squeeze tabs and then push out
holder.
8. Remove MAF sensor from air filter box by removing [2] T30
TORX screws.
6. Remove T25 TORX screw located on passenger side of air
filter box and lift off. NOTE: There are [3] pin mounts that are
pushed into rubber grommet mounts on intake manifold, so
effort may be required to lift air filter box off of mounts.
7. Locate fresh air pipe that is attached to air filter box.
Disconnect fresh air pipe by rotating the 90° connection
counter clockwise and pulling pipe away from air filter box.
Remove air filter box from vehicle.
3. Use screwdriver to loosen clamps at turbo inlet and at MAF
sensor. Remove air intake tube.
NM Engineering ∞ 3300 Corte Malpaso, Camarillo, CA 93012 ∞ 805.388.7171 ∞ 805.388.0030 FAX
engineer@nm-eng.com ∞ www.nm-eng.com
9. Install MAF sensor to NM stainless steel intake pipe bracket
using supplied M6 x 16mm button head bolts and M6 nuts.
[4mm hex key wrench / 10mm socket or wrench]

14. Install and tighten silicone coupler onto MAF sensor using
supplied #44 hose clamp.
17. Loosely install supplied #44 clamps onto both silicone hose
ends, then install air intake pipe into silicone turbo inlet hose
first and then into MAF sensor hose. Adjust as necessary for
clearance, paying close attention to clearance of silicone
turbo inlet hose and coolant reservoir bottle. Tighten all
clamps. NOTE: Do not forget to tighten #28 hose clamp from
Step 16. Connect breather hose to cylinder head cover.
10. Install NM SS bracket onto factory air filter box mounts.
NOTE: Make sure rubber grommets are still in place and not
attached to bottom of the OE air filter box. From bottom side
of mounts, install and tighten using supplied M8 washers and
M8 lock nuts. [13mm socket and wrench]
18. Using a degreaser or contact cleaner and shop rag, Clean
inner mounting flange of NM filter. Install NM filter onto MAF
sensor and tighten with long skinny screwdriver thru logo cutout or from back side of bracket.
19. Double check complete installation. Test drive and double
check all connections.
©2011 NM Engineering, a division of Automotive Performance Systems, Inc.
All rights reserved. Reproduction in whole or in part is prohibited.
DOC. NM.658856.2 Rev. 07.19.11
11. Remove protective film from double-sided tape on stainless
steel fresh air hose bracket. Slide bracket down between
ECU and black plastic ECU mount, while keeping double
stick tape from touching. With bracket pushed all the way
down, press against ECU.
12. Attach brake booster line holder to forward mounting hole in
bracket. Secure fresh air pipe to rearward mounting hole
using supplied M6 x 10mm button head bolt. [4mm hex key
wrench]
15. Remove factory breather hose from original air intake. Insert
tube adapter (rolled lip end) into silicone turbo inlet hose and
tighten with supplied #16 hose clamp. Connect breather hose
onto tube adapter.
13. Reconnect MAF sensor electrical connector.
16. Loosely install silicone turbo inlet hose onto turbo using
supplied #28 hose clamp. NOTE: Do NOT tighten at this
time.
NM Engineering ∞ 3300 Corte Malpaso, Camarillo, CA 93012 ∞ 805.388.7171 ∞ 805.388.0030 FAX
engineer@nm-eng.com ∞ www.nm-eng.com