I roll the dice with standard tires even though i prefer ROF they saved my bacon 3 rolled times within 3 years. Now i try to keep a replacement tire on hand and have excellent roadside assistance.
Oil starvation N55 really only becomes a significant issue when you get over 120-150 kmi, however I've seen blown N55s at 110, 120. It usually traces back to dry start up after maintenance butb that only is an issue because of the long term minor wear that builds up from low oil pressure in the first place.
The thing that I've noticed is when i go from WOT to coasting, the oil pressure follows a mapping curve that says no load, drop the psi to minimum. That's exactly when my engine self destructed. Redline shifts though 3 or 4 gears then coast. Psi drops to 25 immediately and that's the problem.
If you don't drive like it's stolen you can probably get 250-300 kmi out of the N55 but as they get old a very small upset can kill the engine.
Wife's engine had 120 kmi, never leaked a drop of oil but OFHG blew out and half a quart or more oil sprayed the whole side of the motor.
Probably during that sameb trip she gunned it to pass somebody and WOT to coasting drops the pressure too low and spun bearing.
Victor[emoji769] SPEED PLUG[emoji769] Kit Tire Repair Plugs & Puller at Menards
https://www.menards.com/main/tools/a...7166914220.htm
This is what i use. I've used them about 8 times between my cars, m family and random people with flats on the roadside or in parking lots.
I've looked into getting a thin spare they are nice: same rolling circumference as full size tire but 2/3 the width so fit under the trunk area.
One tire usually wears the fastest so I'll replace tires as a pair if one axle has a lot of tread that leaves me with one tire that has maybe 4-5/32 which is perfect for a backup. I will bring that with on long trips like now when I'm working out of state for a few months. I have a tire i can get mounted if needed.
I've used cable fed parking brakes to stop a car when hydraulics have failed. At BEST they stop 10% as good as E70 P brake. 1000% improvement stopping a car in case of emergency is all i needed to be immediately converted for life.
I've had plenty of hand brake failures to deal with, I live in the rust belt! The annoyance with the P brake is a minor defect is usually inside the no serviceable parts module that is very expensive.
Speaking of very expensive: the gear suggestion knob has a way of the sport mode interlock failing and the only fix is changing the whole thing. It's nearly $1000 part which keeps the second hand marker pretty expensive also. Usually $250-300.
There are a few items like that: fixing a leaky grommet on the washer fluid pump involves removing the whole right front fender.
The fenders make a complete circle around the headlights making minor fender benders a much bigger problem. (also makes changing/repair oi headlights 10x more difficult than e53.
All that said I'm still very happy with my E70 and that says a lot considering i had to replace my engine to keep it!
The N55 is very efficient and too good at heat removal; if you live in a colder climate, put some cardboard in front of half the radiator (not the intercooler) and the engine will warm up 2-4x as fast. The newer cars face have automatic shutters inside the grill that close until the engine warms up. Wife's car has that.
–awr–
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