Connect the crank case line on the engine side.
From step 15, use the factory bolt and provided fender washer to secure
the bracket on engine.
Note: Make sure you use the fender washer.
Connect the Crank case line harness.
A) With t30 torx bit, loosen the 2 screws holding in the MAF sensor.
B) Remove the MAF sensor.
Install the 3” straight hose with clamps provided and attach to the end of
the intake tube. Tighten on the tube only.
A) Install the MAF sensor into the new intake tube. B) Secure the MAF
sensor using the provided M4 button head screws.
A) Attach the grommet to the hole on the bracket. B) Install the upper
intake tube assembly into the vehicle and position to the tube and factory
airbox engine fitting.
Figure 59
Figure 60
Figure 63
Figure 62
Figure 61
Figure 64
Secure the bracket and slide the slot on bracket forward so it stops and
tighten using 10mm socket and ratchet.
335i
Figure 65
Figure 66
Page 7 of Part# SP1126
(B)
(A)
(A)
(B)
(B)
(A)