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Features
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  • Freelander 2

Make your Freelander breathe more efficiently - pictures

by: Auto Express team
1 Sep 2017
Go to: Make your Freelander breather more efficiently
  • Step 2

    Start by removing the inner plastic intake cover. An 8mm socket and three bolts to undo, then ease it off forwards as shown.

  • Step 3

    Next, do the same for the rear air filter cover. This time there are five Hex bolts (5mm), and the oil filler cap to remove.

  • Step 4

    Remove the two bolts hidden down the back, one at each side. A small extension or wobble bar on the ratchet is just the job.

  • Step 5

    Cover removal is tricky. Ease the pipework away on the right hand side, then angle it like this, to clear the intake pipe on the right.

  • Step 6

    At this stage, immediately replace the oil filler cap. Debris falling in there will definitely not help, especially a dropped bolt!

  • Step 7

    Undo three security bolts on the wiring loom mounts, and move it clear (6mm socket will turn them if you’re careful, they aren’t very tight).

  • Step 8

    The PCV cover is then exposed, between the air filter and the injectors. Remove the four Hex bolts, with a 5mm Hex socket and ratchet

  • step 9

    Prise the cover off, and lift it out. The existing filter will come away with it, along with a small fixing arm. Take care – this can easily fall off.

  • Step 10

    New BMW oil separator and cover is on the left, and the old filter on the right. This one isn’t too bad, but it is definitely due a change.

  • Step 11

    Also note the sprung valve in the cover. See how the old one attracts oil. This can be rinsed in petrol, but a new one will always be better.

  • Step 12

    Remove the two old seals in the engine housing. BMW conveniently decided to fit neat tabs to aid grip for simple removal.

  • Step 13

    Clear any debris and refit the two new seals, supplied with the oil separator and cover. Locate them into their recesses.

  • Step 14

    Drop the oil separator into the new housing and push down (it only goes one way), then lower the assembly into position on the engine.

  • Step 15

    Clearance is tight on two small hoses by the injector loom. Have some patience, and with care the cover can be eased past them.

  • step 16

    Push it down to ensure it locates without pinching any wiring/hoses, then re-tighten the four Hex bolt fittings for an airtight fit.

  • Step 17

    Locate the injector wiring loom over the top of the PCV cap, then refit the loom’s three security screws, taking care not to burr the heads.

  • Step 18

    Remove the oil cap and refit the tricky air intake cover and Hex bolts. The right hand feed into the engine intake is the most difficult.

  • Step 19

    Refit the inner plastic engine cover. It helps to remove the bolts on this one, to help feed the rear lip under the air intake cover.

  • Make your Freelander breathe more efficiently - 1

    Finally, refit the three 8mm bolts. The left hand one goes into the crankcase: if you get a slight oil leak here, this one isn’t tight enough.

  • Step 1

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