I should probably update this thread now that I have progressed on the path of emotional recovery...
We had planned a little George to Capetown roadtrip in the E46 touring as there are some accumulated car parts at a mates house that I wanted to bring back with me. I was focusing my time on the touring to get it ready for the long road, only to discover the week before it has a bearing knock due to a blocked oil pickup tube 🤦♂️
No worries, the 540i is supposed to be the roadtrip car anyway, so this is a bit of a serendipity. All hands on deck to finish the 540i after having received it back from the paint shop (again). I am still not happy with the paint, the roof and drivers side fender need to be repainted, but the paint shop is refusing any more work on the car. The ombudsman is now involved. Anyway...
The SO got involved helping me with "easy" jobs like cleaning up the interior, applying leather treatment and applying wax on the paint while I got on with "final polishing" the paint, replacing the windscreen cowling and replacing the auxiliary fan and air bleed pipe on the radiator which had a small leak and what I believed to be the cause of the disappearing coolant...
"new" bonnet liner
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New cowling and windscreen trim:
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New 02 sensors which fixed a bit of a hesitation the car developed after the paint shop - almost like it had turbo lag:
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"new" mats and some M-sport door sill trims. Not technically correct, but I figured the old girl deserved more than one M badge:
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I also got the windows tinted. Nice and clean, reassembled and ready for the long road
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After a 5am start while making "swift progress" we had to perform an "emergency brake" due to an accident which caused a 30min delay. I let the car idle a bit with the heater on to allow the motor to cool down before switching it off. When I climbed out, I noticed a little coolant puddle under the car. Coolant was coming out the cap (which I had pressure tested and confirmed releases at 2bar). Oh dear. I started the car to let the system circulate and all seemed fine. About an hour later I get the dreaded check coolant warning but could not actually open the coolant reservoir as it was under crazy pressure and would immidiately "boil" which was strange as I had an eagle eye on the KTMP which never went over 97C as I am running a cooler 95C thermostat. We pushed on with one eye on the coolant temps and one eye on the road till about 2 hours from George while dispatching some slow moving traffic on a mountain pass - the suspension fully loaded around a bend doing 140, the rear of the car "lets go" in a spectacular and butt clenching fashion. With a lot of luck and a bit of skid pan skills (thanks BMW Club!) I caught the car and brought it to a safe stop. My first thought was that we had a blow out, but the tyres all looked OK. Weird. But even more weird, the left rear had about 30 degrees of rear steer...not something fitted to an E39. One of the suspension bolts had worked itself loose! Fucking hell! Luckily the bolt had not fallen out and after unsuccessfully trying to reinstall the bolt using the "widow maker" jack, we limped to the closest town 7km away and found a Oom who helped us reinstall the bolt and also check the other side which was also loose. At this point we properly opened up the cooling system to find it requiring a significant but not too alarming amount of coolant.
The unplanned pitstop at a garage in a little Karoo dorpie called Willowmore - very nice people who assisted us on a Saturday afternoon
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We safely arrived in Wilderness without further incident except almost running out of fuel on Outeniqua pass...this thing drinks! We averaged about 10.5 L/100km on the drive down; considerably worse than I was expecting. Maybe it is the shorter diff ratio?
Many insects were sacrificed in the name of progress. Overall, besides the stress from the cooling system, this car is a dream on the open road. The seats are supremely comfortable with no aches or pains after 10 hours on the road.
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We took the scenic route to CapeTown via Oudtshoorn, Ladismith and Riversdale. The difference in road quality in the Western Cape really took us by surprise. Tiny secondary roads in the middle of nowhere are in much better condition than National routes in the rest of the country.
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We used about a cup of water to get from George to Capetown - not too bad, but did notice the cooling system was pressurized the next morning. Shit. Not ideal, but figured the car would make it back to JHB with a bit or nursing. Quick stop to check wheel alignment before the long drive home with the car suitably dirty:
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We left Capetown at 5am, we wanted to do Bainskloof, but it was still dark, so decided to make progress and push on through the tunnel. The obligatory visit to the rev limiter in the tunnel with the windows down, resulted in a low coolant warning soon after. Shitty shit. Within a few km, I noticed the coolant temps rising so pulled over to find a very wet engine bay. Looked like the water pump gasket had failed. With a heavy heart, we decided to limp back to Capetown, averaging about 20km/L of water. Dejected, we left the car at a mate, ate some humble pie and rented a Polo TSI for a new journey start time of 10am. It was gong to be a long day. Luckily we could now make the Bainskloof detour, very well worth it and perhaps better to do in a small car as it is very tight and technical.
Beaufort West stop:
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And made it home at 11pm, 18 hours and 1700km later, dejected, lacking confidence in my life choices and with a knackered back (the Polo seats are verified torture devices). To be fair, the Polo is actually a decent car (besides the seats) and really made me ask deep and meaningful questions about why I drive old BMWs. Are they really worth it, are they even fun at all, is the 540i specifically cursed, should I just sell them all, castrate myself and buy a Toyota. Also, I really shouldn't have had those edibles. Picture taken in Mexico, just before JHB:
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Now to face the additional expense of getting the bastard 540 transported back to JHB. Making a mess on the tow truck in protest:
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So there you have it, the other, less romantic side of old car ownership. The side you easily forget when you see a 540 manual advertised for 50k or a nice cheap L322 that would make an nice 8th car or that b30 swapped E46 touring that would make an ideal daily (when it works). And boy, do you need to have commitment, patience, alternative modes of transport and deep, deep pockets. Reminds me of that toxic relationship I once had, except here, I cant get out of it.