Group.
What's the best place to jack up the front of an E24 using a single Trolley Jack?
Tony
'86 635
Not recommended unless you have a spreader bar to load both horns behind the air dam. You can also use 2 jacks, one on each side front pinch weld jacking pads with pinch weld adapters on the jacks. Or 2 jacks, one on each front horn. Do not put a trolley jack on the rectangular "frame" inside of the pinch weld...it is not a frame and it will bend the tub.
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If you have a low-profile jack, you can easily lift the front end on the center of the front subframe. It's just behind the oil pan sump, the steering gear is bolted to it. A high profile jack or a jack with a short body won't work unless you also have ramps or something solid to make some space. Here's a handy illustration of the E24 jacking points.
Of course...don't lift any car without a good set of jack stands...
If I had to use a single jack, I'd do like Dschart says. Use the trolley jack with a slotted rubber biscuit like this on the pinch weld seams at the emergency jacking points on the side of the car. I'f I'm in a hurry, I'll jack up one side, pop a jackstand under the frame, then go to the other side and repeat the process. That way I'll have two solid jackstands holding the car up.
Save the manuals!
'08 128i 6MT, '86 635CSi 5MT (B32, Motronic 1.3, WBO2, G265, 18# FW, 3.46 torsen)
Past projects:
'96 318iS, sold 4/23 '90 535iM, RIP 1/23 '90 535iA RIP 6/22 '91 318i, sold 7/19 '97 M3 sedan, sold 11/18 '85 735i, RIP 2/18 '92 325iC, sold 7/16 '91 318iS, sold 6/16 '84 745i, sold 10/14 '82 633CSi, traded 9/12 '90 325i, RIP '87 325 sold '89 525i, traded '87 325iS, RIP
I have a slotted biscuit in each of my cars since lifting the car is part of inspection here. It kills to see a car lifted on the engine support rails that are then all bent. I do what DesktopDave does but i have a 2 foot piece of pressure treated 2x6 that goes between jack and subframe.
Rob E3
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