Hi....as per my other post, im having the entire cooling system replaced after having a radiator leak. Have also decided to replace the 3 main oil breather hoses + PCV valve itself. Upon closer inspection, the rear cam cover gasket is leaking quite a bit so have decided to replace both sets of cam cover/rocker gaskets too. Now that the top head is off and the front of the car off (mechanic said he needed the access space to make his life easier - its a fixed price job so no worries on the extra hours).....what else would anyone suggest i should replace/upgrade as a preventative measure?

So far im having done:
Radiator + all hoses
Thermostat
Waterpump
Aux drive belt
AC belt
Viscouse coupling
Coolant/Antifreeze
Cam/rocker cover gaskets
Bolt grommets for cam cover
Starter motor
Oil breather hoses
PCV valve
(Cyclonic separator has been thoroughly cleaned out and re used)
Water hose adaptor on top of manifold
Oil+filter change
Air filter
Pollen filter
Fuel Filter
FSR
Battery - maybe?

Is there anything else advisable to change or thoroughly clean up? Thinking spark plugs but which ones for this M62 (not sure if its the TU variant or not......and not even sure if this matters or not???). Is there a timing chain seal/gasket that i should be changing too?

Any advice/recommendations on any of the above or suggestions for future preventative maintenance would be greatly appreciated in this season of goodwill.

Seasons Greetings to all!

Drivebelt and aircon belt tensioners are pretty cheap and the bearings do wear, as well as the little shock absorber that tensions the belt.

There is also an upgrade to get rid of the plastic waterpump pulley with a BMW alloy one....

I'd also do the autobox oil cooler and thermostatic mounting plate, again, the plate is plastic and yours will be brittle...

Good luck, should be sorted for sometime with that lot done.... Pete
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