BMW R1200GS Engine Leaking Oil
Fix Oil Leaks Yourself Without Dismantling
On the BMW R1200GS, oil-covered areas around the engine, cylinders or engine housing are a well-known issue. In many cases, the cause is aged or hardened seals that lose their sealing ability due to heat and mileage. With LecWec, you can restore the sealing effect directly during operation without opening the engine right away.
✓Oil leak stop for typical boxer engine leaks
✓Oil stop additive for engine oil and auxiliary components
✓Oil sealing additive without chlorine
✓Seal the engine without removal or dismantling
How LecWec Works in the BMW R1200GS and Other Boxer Engines
On the BMW R1200GS and similar boxer engines, the entire oil system uses polymer oil seals, including seals at the crankshaft, valve covers, housing connections and auxiliary components. Due to high thermal loads, pressure and mileage, these seals lose elasticity over time. The result: the sealing lips no longer sit properly against the surfaces, leading to oil film buildup or visible oil leaks at typical weak points. This is exactly where LecWec works during normal operation.
After being added, LecWec distributes completely throughout the engine oil system and reaches all important sealing points. The active ingredients are absorbed by the seals and help the material become flexible, supple and tightly sealing once again. This closes the tiny gaps between the seal and the metal surface. The effect works throughout the entire system, allowing even internal and hard-to-reach sealing points to be treated.
In practical use, this means that oil leaks from the engine are greatly reduced or stopped completely without dismantling components. Especially on typical boxer engine leaks, LecWec restores the sealing function of the existing components and helps maintain a clean and dry-running engine.
Only 3% of the total oil quantity.
LecWec is chlorine-free.
For all oil systems and types.
Direct delivery from the manufacturer.
It happened even faster than I expected.
"I have to report positively that the level matches the oil... unbelievable. [...] I wouldn’t have believed that the steering gearbox would be sealed again after just under a week."
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"...nothing was leaking anymore!!!
I am truly very satisfied. At first, I did not believe the product would work, but now I am completely convinced and also saved many hundreds of euros!"
- Jürgen R.
Oil leak at the cylinder base gasket
Verified review (Learn more)"I did not believe it at first, but your product is excellent! [...] I ordered just one can and everything is sealed already, even though you recommend 2 cans, meaning 200 ml, for 6 liters of oil. Many thanks!"
- Andreas F.
Oil leak problems at the oil flange gasket
Verified review (Learn more)"...which made it even more satisfying when, after around 3 weeks, I noticed that the oil loss had gone down to zero – the steering rack was sealed again!! Even now, after 4 months, the reservoir is still at the maximum level."
- Friedger F.
Oil leak at the steering rack
Verified review (Learn more)"There was always a small puddle of oil collecting underneath the vehicle. I added 100 ml of LecWec to around 4 liters of oil. Since then, I have driven many miles and was surprised to find that there was no more oil on the ground at all."
- Paul R.
Leak at the oil pan
Verified review (Learn more)
How to Seal a BMW R1200GS Engine in 3 Steps
With the BMW R1200GS, you may know the issue: oil film on the cylinder, moist areas on the engine housing, or oil drops underneath the boxer engine. The cause is usually aged polymer oil seals that lose their elasticity due to heat and mileage. Instead of opening valve covers, shaft seals, or engine housings immediately, you can address the issue directly during normal operation.
Step 1: Check the oil level and make sure the correct oil volume is present in the engine.
Step 2: Add LecWec directly to the engine oil at a ratio of 3% of the total oil volume.
Step 3: Ride the motorcycle normally – the additive will circulate through the oil system and reach all sealing points inside the engine.
The seals absorb the active formula, become flexible again, and fit tightly against the sealing surfaces once more. This stops oil leaks at the typical weak points of the boxer engine. You avoid opening the engine and restore your BMW R1200GS to a sealed and fully operational condition.
BMW R1200GS Engine Leaking Oil? These 5 Tips Can Help
Check typical leak points on the boxer engine
On the BMW R1200GS, leaks often occur at valve covers, cylinder heads, crankshaft seals, and housing connections. Clean the engine thoroughly and ride a short distance. This allows you to identify exactly where the oil is leaking instead of opening components unnecessarily.
Check oil level and pressure conditions
An overfilled oil level or unfavorable pressure conditions inside the engine can increase leakage. Check the oil level precisely according to specifications. A correctly balanced system allows the seals to function properly again.
Treat aged seals directly
The boxer engine uses polymer oil seals that harden over time due to heat and mileage. As a result, they lose their sealing performance. Instead of carrying out immediate mechanical repairs, you can restore the seals’ elasticity and sealing function directly within the system.
Use LecWec during normal operation
Add LecWec directly to the engine oil at a ratio of 3% of the total oil volume. The active formula circulates throughout the entire oil system and reaches all sealing points, including internal areas. This improves sealing performance directly without dismantling the engine.
Monitor and stabilize the sealing performance
After application, operate the engine normally and observe the known leak points. In practical use, the oil film is significantly reduced or disappears completely. If necessary, a targeted additional dosage can stabilize the effect and keep the engine leak-free over the long term.