diff --git a/opm/autodiff/ISTLSolver.hpp b/opm/autodiff/ISTLSolver.hpp
index daf64989d..90b2bbe79 100644
--- a/opm/autodiff/ISTLSolver.hpp
+++ b/opm/autodiff/ISTLSolver.hpp
@@ -295,8 +295,9 @@ namespace Opm
         template <class Operator>
         std::unique_ptr<SeqPreconditioner> constructPrecond(Operator& opA, const Dune::Amg::SequentialInformation&) const
         {
-            const double relax = 0.9;
-            std::unique_ptr<SeqPreconditioner> precond(new SeqPreconditioner(opA.getmat(), relax));
+            const double relax  = parameters_.ilu_relaxation_;
+            const int iteration = parameters_.ilu_iteration_;
+            std::unique_ptr<SeqPreconditioner> precond(new SeqPreconditioner(opA.getmat(), iteration, relax));
             return precond;
         }
 
@@ -308,7 +309,7 @@ namespace Opm
         constructPrecond(Operator& opA, const Comm& comm) const
         {
             typedef std::unique_ptr<ParPreconditioner> Pointer;
-            const double relax = 0.9;
+            const double relax  = parameters_.ilu_relaxation_;
             return Pointer(new ParPreconditioner(opA.getmat(), comm, relax));
         }
 #endif
diff --git a/opm/autodiff/NewtonIterationBlackoilInterleaved.hpp b/opm/autodiff/NewtonIterationBlackoilInterleaved.hpp
index 0e010a0a0..543a486e3 100644
--- a/opm/autodiff/NewtonIterationBlackoilInterleaved.hpp
+++ b/opm/autodiff/NewtonIterationBlackoilInterleaved.hpp
@@ -37,9 +37,11 @@ namespace Opm
     struct NewtonIterationBlackoilInterleavedParameters
     {
         double linear_solver_reduction_;
+        double ilu_relaxation_;
         int    linear_solver_maxiter_;
         int    linear_solver_restart_;
         int    linear_solver_verbosity_;
+        int    ilu_iteration_;
         bool   newton_use_gmres_;
         bool   require_full_sparsity_pattern_;
         bool   ignoreConvergenceFailure_;
@@ -61,6 +63,8 @@ namespace Opm
             require_full_sparsity_pattern_ = param.getDefault("require_full_sparsity_pattern", require_full_sparsity_pattern_);
             ignoreConvergenceFailure_ = param.getDefault("linear_solver_ignoreconvergencefailure", ignoreConvergenceFailure_);
             linear_solver_use_amg_    = param.getDefault("linear_solver_use_amg", linear_solver_use_amg_ );
+            ilu_relaxation_           = param.getDefault("ilu_relaxation", ilu_relaxation_ );
+            ilu_iteration_            = param.getDefault("ilu_iteration",  ilu_iteration_ );
         }
 
         // set default values
@@ -74,6 +78,8 @@ namespace Opm
             require_full_sparsity_pattern_ = false;
             ignoreConvergenceFailure_ = false;
             linear_solver_use_amg_    = false;
+            ilu_iteration_            = 0;
+            ilu_relaxation_           = 0.9;
         }
     };